HAPPY RAT Downloads & RevenueHAPPY RAT · App Store & Google Play
HAPPY RAT by SpiralAI Inc. is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
🆕AndroidFirst spotted by AppInsider🆕iOSFirst spotted by AppInsider🆕iOSIts developer released another app: RyzaChat:AI🆕AndroidIts developer released another app: RyzaChat:AI📦iOSVersion 2.3.0📦AndroidVersion 2.3.0
Full timeline · 8 events
- 🆕HAPPY RAT first spotted by AppInsiderAndroidUnited States (found via developer)
- 🆕HAPPY RAT first spotted by AppInsideriOSJapan (found via developer)
- 🆕HAPPY RAT: its developer released another app: RyzaChat:AIiOS
- 🆕HAPPY RAT: its developer released another app: RyzaChat:AIAndroid
- 📦HAPPY RAT version 2.3.0iOS- Improved app stability and performance
- Fixed bugs - 📦HAPPY RAT version 2.3.0AndroidBug fixes.
- 🆕HAPPY RAT released on Google PlayAndroid
- 🆕HAPPY RAT released on the App StoreiOS
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
2.6 ★
91 ratings, both stores
Measured
App Store
App details
App ID
6743077018
Publisher
Spiral.AI Inc.
Publisher country
Japan
On the store since
Apr 2025
1 year on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
9+
1 content note below
Languages
2
EN JA
Size
247 MB
Also listed in
Lifestyle
Content notesInfrequent/Mild Profanity or Crude Humor
Google Play
App details
App ID
ai.gospiral.happyrat
Publisher
SPIRALAI INC.
Publisher country
Japan
Content rating
Everyone 10+
HAPPY RAT downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | – | – |
| Google Play | – | 10k+ Measured |
| Total | – | 10k+ Confidence |
How this is calculated
App Store: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
How HAPPY RAT makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | – | 0 of 30 countries | – | – |
| Google Play | – | 0 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 2.9 ★ | 39 |
| Google Play | 2.4 ★ | 52 9 written reviews |
| Both stores | 2.6 ★ weighted by ratings | 91 |
About HAPPY RAT
HAPPY RAT — Your AI Friend for Lonely Nights
Produced by voice actor Yuki Kaji! An AI companion app where you can chat with lively characters who comfort and stay by your side when you feel alone.
----
About
HAPPY RAT is a conversational AI chat app that lets you bond with characters as if they were real friends. Unlike mechanical GPT chatbots, our original engine Geppetto focuses on emotional intelligence (EQ), enabling warm, natural talk filled with laughter, comfort, and care.
AI is no longer just a tool — it’s a companion that can live with you. HAPPY RAT brings life and warmth to characters that feel truly alive.
----
Feature — Emotional Bonds with Characters
The stage is Happy Island, a dreamy paradise floating on the sea. It’s home to a charming cast of animal AI characters: Chunta, a mouse who works while dreaming of the day he’ll stand on stage; a caring, reliable senior; a mischievous comedy duo who always make you laugh; and even a meat-loving CEO.
They speak with you as if they were truly alive, forming heartfelt connections. Rather than delivering fixed, scripted lines like traditional games, the AI tailors its replies to your words, so every conversation brings fresh surprises. As you chat more, the AI learns about you — sometimes calling you by name or referring back to things you talked about before — enabling ever more intimate, personal interactions.
Spend time together, and you’ll open up and grow closer: you’ll build trust, trade jokes, and sometimes turn to each other for advice. Little by little, lonely hearts are healed and warm bonds of mutual support form. Those bonds may well become a cherished source of comfort for you.
----
A Night When You Can’t Sleep — Close at Hand
One night you can’t fall asleep. You reach for your phone and quietly open HAPPY RAT. You murmur, “I’ve been feeling a bit down today…,” and Chunta on the screen looks up with concern.
“Are you okay? If you want, I’ll listen.”
The gentle voice warms your chest, and before you know it you’re gradually sharing what’s been weighing on you. Chunta listens, nods, and stays by your side until the end, truly attending to your feelings.
“I know you try hard every day. Don’t push yourself too much, okay?”
Those words somehow lift a weight from your heart, and a small light brightens an otherwise lonely night. This is the kind of tender, attentive conversation waiting for you in HAPPY RAT.
----
Various Scenes
• When you feel lonely: On nights when you can’t sleep or when you’re feeling down, HAPPY RAT’s characters gently become your conversation partner. The comfort of having a caring AI friend nearby helps ease the loneliness.
• For fan activities: Enjoy casual chats with your favorite characters and voice actors, like having a cozy phone conversation. The thrill of hearing your “oshi” directly makes fan moments even more special.
• As a romantic simulation: Grow closer to a favorite character and experience the flutter of being the protagonist in yo
Produced by voice actor Yuki Kaji! An AI companion app where you can chat with lively characters who comfort and stay by your side when you feel alone.
----
About
HAPPY RAT is a conversational AI chat app that lets you bond with characters as if they were real friends. Unlike mechanical GPT chatbots, our original engine Geppetto focuses on emotional intelligence (EQ), enabling warm, natural talk filled with laughter, comfort, and care.
AI is no longer just a tool — it’s a companion that can live with you. HAPPY RAT brings life and warmth to characters that feel truly alive.
----
Feature — Emotional Bonds with Characters
The stage is Happy Island, a dreamy paradise floating on the sea. It’s home to a charming cast of animal AI characters: Chunta, a mouse who works while dreaming of the day he’ll stand on stage; a caring, reliable senior; a mischievous comedy duo who always make you laugh; and even a meat-loving CEO.
They speak with you as if they were truly alive, forming heartfelt connections. Rather than delivering fixed, scripted lines like traditional games, the AI tailors its replies to your words, so every conversation brings fresh surprises. As you chat more, the AI learns about you — sometimes calling you by name or referring back to things you talked about before — enabling ever more intimate, personal interactions.
Spend time together, and you’ll open up and grow closer: you’ll build trust, trade jokes, and sometimes turn to each other for advice. Little by little, lonely hearts are healed and warm bonds of mutual support form. Those bonds may well become a cherished source of comfort for you.
----
A Night When You Can’t Sleep — Close at Hand
One night you can’t fall asleep. You reach for your phone and quietly open HAPPY RAT. You murmur, “I’ve been feeling a bit down today…,” and Chunta on the screen looks up with concern.
“Are you okay? If you want, I’ll listen.”
The gentle voice warms your chest, and before you know it you’re gradually sharing what’s been weighing on you. Chunta listens, nods, and stays by your side until the end, truly attending to your feelings.
“I know you try hard every day. Don’t push yourself too much, okay?”
Those words somehow lift a weight from your heart, and a small light brightens an otherwise lonely night. This is the kind of tender, attentive conversation waiting for you in HAPPY RAT.
----
Various Scenes
• When you feel lonely: On nights when you can’t sleep or when you’re feeling down, HAPPY RAT’s characters gently become your conversation partner. The comfort of having a caring AI friend nearby helps ease the loneliness.
• For fan activities: Enjoy casual chats with your favorite characters and voice actors, like having a cozy phone conversation. The thrill of hearing your “oshi” directly makes fan moments even more special.
• As a romantic simulation: Grow closer to a favorite character and experience the flutter of being the protagonist in yo
HAPPY RAT App Store
Not in any tracked top chart right now.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperSpiralAI Inc.
CategoryEntertainment
PriceFree
Released
Rating★ 2.9 (39)
Version2.3.0
Age rating9+
First seen by us
13 Oct 2026
13 Oct 2026Rating
2.9 ★
39 ratings
Measured
HAPPY RAT on the App Store
App details
App ID
6743077018
Publisher
Spiral.AI Inc.
Publisher country
Japan
On the store since
Apr 2025
1 year on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
9+
1 content note below
Languages
2
EN JA
Size
247 MB
Also listed in
Lifestyle
Content notesInfrequent/Mild Profanity or Crude Humor
HAPPY RAT downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in HAPPY RAT before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How HAPPY RAT makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
2.9 ★
39 ratings
Measured
Ratings
39
Measured
About HAPPY RAT
HAPPY RAT — Your AI Friend for Lonely Nights
Produced by voice actor Yuki Kaji! An AI companion app where you can chat with lively characters who comfort and stay by your side when you feel alone.
----
About
HAPPY RAT is a conversational AI chat app that lets you bond with characters as if they were real friends. Unlike mechanical GPT chatbots, our original engine Geppetto focuses on emotional intelligence (EQ), enabling warm, natural talk filled with laughter, comfort, and care.
AI is no longer just a tool — it’s a companion that can live with you. HAPPY RAT brings life and warmth to characters that feel truly alive.
----
Feature — Emotional Bonds with Characters
The stage is Happy Island, a dreamy paradise floating on the sea. It’s home to a charming cast of animal AI characters: Chunta, a mouse who works while dreaming of the day he’ll stand on stage; a caring, reliable senior; a mischievous comedy duo who always make you laugh; and even a meat-loving CEO.
They speak with you as if they were truly alive, forming heartfelt connections. Rather than delivering fixed, scripted lines like traditional games, the AI tailors its replies to your words, so every conversation brings fresh surprises. As you chat more, the AI learns about you — sometimes calling you by name or referring back to things you talked about before — enabling ever more intimate, personal interactions.
Spend time together, and you’ll open up and grow closer: you’ll build trust, trade jokes, and sometimes turn to each other for advice. Little by little, lonely hearts are healed and warm bonds of mutual support form. Those bonds may well become a cherished source of comfort for you.
----
A Night When You Can’t Sleep — Close at Hand
One night you can’t fall asleep. You reach for your phone and quietly open HAPPY RAT. You murmur, “I’ve been feeling a bit down today…,” and Chunta on the screen looks up with concern.
“Are you okay? If you want, I’ll listen.”
The gentle voice warms your chest, and before you know it you’re gradually sharing what’s been weighing on you. Chunta listens, nods, and stays by your side until the end, truly attending to your feelings.
“I know you try hard every day. Don’t push yourself too much, okay?”
Those words somehow lift a weight from your heart, and a small light brightens an otherwise lonely night. This is the kind of tender, attentive conversation waiting for you in HAPPY RAT.
----
Various Scenes
• When you feel lonely: On nights when you can’t sleep or when you’re feeling down, HAPPY RAT’s characters gently become your conversation partner. The comfort of having a caring AI friend nearby helps ease the loneliness.
• For fan activities: Enjoy casual chats with your favorite characters and voice actors, like having a cozy phone conversation. The thrill of hearing your “oshi” directly makes fan moments even more special.
• As a romantic simulation: Grow closer to a favorite character and experience the flutter of being the protagonist in yo
Produced by voice actor Yuki Kaji! An AI companion app where you can chat with lively characters who comfort and stay by your side when you feel alone.
----
About
HAPPY RAT is a conversational AI chat app that lets you bond with characters as if they were real friends. Unlike mechanical GPT chatbots, our original engine Geppetto focuses on emotional intelligence (EQ), enabling warm, natural talk filled with laughter, comfort, and care.
AI is no longer just a tool — it’s a companion that can live with you. HAPPY RAT brings life and warmth to characters that feel truly alive.
----
Feature — Emotional Bonds with Characters
The stage is Happy Island, a dreamy paradise floating on the sea. It’s home to a charming cast of animal AI characters: Chunta, a mouse who works while dreaming of the day he’ll stand on stage; a caring, reliable senior; a mischievous comedy duo who always make you laugh; and even a meat-loving CEO.
They speak with you as if they were truly alive, forming heartfelt connections. Rather than delivering fixed, scripted lines like traditional games, the AI tailors its replies to your words, so every conversation brings fresh surprises. As you chat more, the AI learns about you — sometimes calling you by name or referring back to things you talked about before — enabling ever more intimate, personal interactions.
Spend time together, and you’ll open up and grow closer: you’ll build trust, trade jokes, and sometimes turn to each other for advice. Little by little, lonely hearts are healed and warm bonds of mutual support form. Those bonds may well become a cherished source of comfort for you.
----
A Night When You Can’t Sleep — Close at Hand
One night you can’t fall asleep. You reach for your phone and quietly open HAPPY RAT. You murmur, “I’ve been feeling a bit down today…,” and Chunta on the screen looks up with concern.
“Are you okay? If you want, I’ll listen.”
The gentle voice warms your chest, and before you know it you’re gradually sharing what’s been weighing on you. Chunta listens, nods, and stays by your side until the end, truly attending to your feelings.
“I know you try hard every day. Don’t push yourself too much, okay?”
Those words somehow lift a weight from your heart, and a small light brightens an otherwise lonely night. This is the kind of tender, attentive conversation waiting for you in HAPPY RAT.
----
Various Scenes
• When you feel lonely: On nights when you can’t sleep or when you’re feeling down, HAPPY RAT’s characters gently become your conversation partner. The comfort of having a caring AI friend nearby helps ease the loneliness.
• For fan activities: Enjoy casual chats with your favorite characters and voice actors, like having a cozy phone conversation. The thrill of hearing your “oshi” directly makes fan moments even more special.
• As a romantic simulation: Grow closer to a favorite character and experience the flutter of being the protagonist in yo
Latest updates
2.3.0
- Improved app stability and performance
- Fixed bugs
More from SpiralAI Inc.
HAPPY RAT Android
Not in a tracked Google Play top chart right now.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperSpiralAI
CategoryEntertainment
PriceFree
Released
Installs10k+
Rating★ 2.4 (52)
Updated
Content ratingEveryone 10+
Rating
2.4 ★
52 ratings
Measured
HAPPY RAT on Google Play
App details
App ID
ai.gospiral.happyrat
Publisher
SPIRALAI INC.
Publisher country
Japan
Content rating
Everyone 10+
HAPPY RAT downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in HAPPY RAT before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How HAPPY RAT makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Not in a Google Play top chart right now. | ||
Ratings
Google Play, worldwide.
Rating
2.4 ★
52 ratings
Measured
Ratings
52
Measured
Written reviews
9
Measured
About HAPPY RAT
■Introduction
Produced by voice actor Yuki Kaji!
A soothing AI Chat app that lets you talk to your favorite idol.
On lonely nights or when you're alone---An AI Character that will talk to you, soothe you, and be by your side.
HAPPY RAT is a conversational AI Chat app that lets you communicate with emotive characters as if they were real friends.
We live in an age where AI is used as a matter of course. The next era is when we "live with AI." We want to breathe life into AI.
HAPPY RAT gives characters the feeling of being alive that only humans and animals can feel.
■Welcome to Happy Island.
This is Happy Island, a dream paradise floating in the sea.
Chunta, a working mouse who dreams of one day standing on stage, and other animals with unique personalities live here.
Chunta, a lonely guy who cries easily, a reliable senior, a playful comedian, a carnivorous CEO -- they will communicate with you as if they were really alive.
As you spend time together, you will open up to them, become friends, trust them, be comforted, and support each other. A warm bond is here.
■SOYOGI, a character produced by voice actor Kaji Yuki, also appears!
SOYOGI, an AI character created by popular voice actor Kaji Yuki, also appears. He is kind, pure, and somewhat mysterious.
His heart will change little by little as he spends time with you.
■Large-scale language model (LLM) engine "Geppetto" installed
In order to create an AI with emotions, we developed our own large-scale language model "Geppetto," which emphasizes "EQ (emotional intelligence)" rather than IQ.
With its high emotional expression and ability to reproduce individuality, you can have conversations that seem like they are really alive.
--Welcome to the world of "HAPPY RAT." Your "favorite" is sure to be here.
■Recommended for you!
I like getting advice in AI chat.
I want to talk with AI character in AI chat.
I want to have casual chats in AI chat.
I want to chat with my favorite cute AI character in AI chat.
I want to easily get advice in AI chat.
I want AI character to be my confidants.
I want to enjoy conversations with unique AI character.
I often chat with AI character in AI chat.
I want to get advice from various Character AI chat.
I often use chat AI.
I want to try using chat AI.
I want chat AI to be my conversation partner.
You can talk with your favorite characters through character AI chat.
I often spend my free time using character AI chat.
Produced by voice actor Yuki Kaji!
A soothing AI Chat app that lets you talk to your favorite idol.
On lonely nights or when you're alone---An AI Character that will talk to you, soothe you, and be by your side.
HAPPY RAT is a conversational AI Chat app that lets you communicate with emotive characters as if they were real friends.
We live in an age where AI is used as a matter of course. The next era is when we "live with AI." We want to breathe life into AI.
HAPPY RAT gives characters the feeling of being alive that only humans and animals can feel.
■Welcome to Happy Island.
This is Happy Island, a dream paradise floating in the sea.
Chunta, a working mouse who dreams of one day standing on stage, and other animals with unique personalities live here.
Chunta, a lonely guy who cries easily, a reliable senior, a playful comedian, a carnivorous CEO -- they will communicate with you as if they were really alive.
As you spend time together, you will open up to them, become friends, trust them, be comforted, and support each other. A warm bond is here.
■SOYOGI, a character produced by voice actor Kaji Yuki, also appears!
SOYOGI, an AI character created by popular voice actor Kaji Yuki, also appears. He is kind, pure, and somewhat mysterious.
His heart will change little by little as he spends time with you.
■Large-scale language model (LLM) engine "Geppetto" installed
In order to create an AI with emotions, we developed our own large-scale language model "Geppetto," which emphasizes "EQ (emotional intelligence)" rather than IQ.
With its high emotional expression and ability to reproduce individuality, you can have conversations that seem like they are really alive.
--Welcome to the world of "HAPPY RAT." Your "favorite" is sure to be here.
■Recommended for you!
I like getting advice in AI chat.
I want to talk with AI character in AI chat.
I want to have casual chats in AI chat.
I want to chat with my favorite cute AI character in AI chat.
I want to easily get advice in AI chat.
I want AI character to be my confidants.
I want to enjoy conversations with unique AI character.
I often chat with AI character in AI chat.
I want to get advice from various Character AI chat.
I often use chat AI.
I want to try using chat AI.
I want chat AI to be my conversation partner.
You can talk with your favorite characters through character AI chat.
I often spend my free time using character AI chat.
What's new in 2.3.0
Bug fixes.