Chappie AI Email Writer & Chat
チャッピー：AI会話・GPT日本語チャット・画像生成・編集
Chappie AI Email Writer & Chat is #43 in Productivity Grossing in Japan and charting in 1 of 30 countries we track.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperMitissa, LLC
CategoryProductivity
PriceFree
Released
Rating★ 4.2 (842)
Version2.19.4
Age rating17+
First seen by us
24 Sep 2026
24 Sep 2026Installs (est.)50k+ worldwide
Rating
4.2 ★
842 ratings
Measured
Best rank now
#43
Productivity GrossingMeasured
Chappie AI Email Writer & Chat on the App Store
App details
App ID
6756681102
Publisher
Mitissa, LLC
On the store since
Jan 2026
Under a year
Minimum OS
iOS 16.4+
iPhone 8 and later
Devices
iPhone · iPad
Universal purchase
Content rating
17+
7 content notes below
Languages
33
AR CA HR CS DA NL EN FI FR DE EL HE …
Size
131 MB
Also listed in
Utilities
Content notesInfrequent/Mild Horror/Fear ThemesInfrequent/Mild Alcohol, Tobacco, or Drug Use or ReferencesInfrequent/Mild Realistic ViolenceInfrequent/Mild Cartoon or Fantasy ViolenceInfrequent/Mild Mature/Suggestive ThemesInfrequent/Mild Medical/Treatment InformationInfrequent/Mild Profanity or Crude Humor
Chappie AI Email Writer & Chat 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. iPhone 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.
Where Chappie AI Email Writer & Chat's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
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 Chappie AI Email Writer & Chat before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: Subscription-led
How Chappie AI Email Writer & Chat makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | ChatXOS Pro subscription | |
| 2 | Chappie Pro Weekly subscription | |
| 3 | Chappie Pro Annual subscription | |
| 4 | Chappie Pro Annual subscription | |
| 5 | 300 Premium Credits | |
| 6 | 100 Premium Credits | |
| 7 | 1000 Premium Credits | |
| 8 | Chappie Pro Monthly subscription | |
| 9 | Chappie Pro Annual subscription | |
| 10 | Chappie Pro Annual subscription |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | ProductivityGrossing | #43 |
| Japan | ProductivityFree | #87 |
Apps near Chappie AI Email Writer & Chat on the chart
Productivity Grossing, around #43.
Ratings
App Store, worldwide.
Rating
4.2 ★
842 ratings
Measured
Ratings
842
Measured
About Chappie AI Email Writer & Chat
One question. Five AI models. Compared instantly.
I'm Chappie. I ask GPT, Claude, Gemini, Grok, and DeepSeek all at once, then summarize the best parts for you. One app instead of five.
I ASK EVERY AI FOR YOU
· Ask me anything and I'll check with every top AI model
· See all their answers side by side in compare mode
· I pick the best parts and give you one clear summary
· Switch models mid-conversation without losing context
AI IMAGE GENERATION
· Describe what you want and I'll create it
· Art, logos, illustrations, photos — anything you can imagine
· Powered by the latest image models
IMESSAGE STICKER PACK
· Send Chappie stickers in iMessage and any messaging app
· Fun AI-themed stickers to express yourself
CUSTOM AI AGENTS
· Build your own AI assistant for any task in seconds
· Give it a name, custom instructions, and a personality
· Reuse your agents across any conversation
WHAT I CAN HELP WITH
· Write emails, essays, cover letters, and reports
· Debug code and get step-by-step explanations
· Homework help and study sessions with an AI tutor
· Brainstorm ideas and summarize long documents
· Search the web for real-time answers
STAY ORGANIZED
· Search all your conversations with favorites and history
· Share any chat via link with one tap
· Sync across all your devices
CHAPPIE PRO SUBSCRIPTION REQUIRED
Chappie is free to download. A Chappie Pro auto-renewing subscription is required to chat and to use the features above — all AI models, compare mode, image generation, custom AI agents, web search, and device sync. The subscription includes 30 generated images per calendar month; additional image credits are available as separate in-app purchases. During a free trial, 10 generated images are included. New users may be offered a free trial. Pricing is shown in the app before you subscribe, and the subscription renews automatically until cancelled. Manage or cancel anytime in iOS Settings → Apple ID → Subscriptions.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://heychappie.com/privacy
I'm Chappie. I ask GPT, Claude, Gemini, Grok, and DeepSeek all at once, then summarize the best parts for you. One app instead of five.
I ASK EVERY AI FOR YOU
· Ask me anything and I'll check with every top AI model
· See all their answers side by side in compare mode
· I pick the best parts and give you one clear summary
· Switch models mid-conversation without losing context
AI IMAGE GENERATION
· Describe what you want and I'll create it
· Art, logos, illustrations, photos — anything you can imagine
· Powered by the latest image models
IMESSAGE STICKER PACK
· Send Chappie stickers in iMessage and any messaging app
· Fun AI-themed stickers to express yourself
CUSTOM AI AGENTS
· Build your own AI assistant for any task in seconds
· Give it a name, custom instructions, and a personality
· Reuse your agents across any conversation
WHAT I CAN HELP WITH
· Write emails, essays, cover letters, and reports
· Debug code and get step-by-step explanations
· Homework help and study sessions with an AI tutor
· Brainstorm ideas and summarize long documents
· Search the web for real-time answers
STAY ORGANIZED
· Search all your conversations with favorites and history
· Share any chat via link with one tap
· Sync across all your devices
CHAPPIE PRO SUBSCRIPTION REQUIRED
Chappie is free to download. A Chappie Pro auto-renewing subscription is required to chat and to use the features above — all AI models, compare mode, image generation, custom AI agents, web search, and device sync. The subscription includes 30 generated images per calendar month; additional image credits are available as separate in-app purchases. During a free trial, 10 generated images are included. New users may be offered a free trial. Pricing is shown in the app before you subscribe, and the subscription renews automatically until cancelled. Manage or cancel anytime in iOS Settings → Apple ID → Subscriptions.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://heychappie.com/privacy
Latest updates
2.19.4
Chat with your files
• FILE UPLOADS: Attach PDFs, CSVs, and text files to any chat — ask questions, get summaries, and pull out what matters
• MEMORY: Tell Chappie once — it remembers what matters and checks back in later, like a best friend who remembers to ask
• STUDIO: Creating images is more reliable — fewer failed generations, and clear guidance to write a better prompt when one doesn't work out
• POLISH & FIXES: The app opens in your chosen theme, photo uploads are more reliable, and dozens of fixes make everything smoother
Plus everything you love — compare ChatGPT, Claude, Gemini, Grok & DeepSeek in one tap.
2.19.1
Chat with your files
• FILE UPLOADS: Attach PDFs, CSVs, and text files to any chat — ask questions, get summaries, and pull out what matters
• MEMORY: Tell Chappie once — it remembers what matters and checks back in later, like a best friend who remembers to ask
• STUDIO: Creating images is more reliable — fewer failed generations, and clear guidance to write a better prompt when one doesn't work out
• POLISH & FIXES: The app opens in your chosen theme, photo uploads are more reliable, and dozens of fixes make everything smoother
Plus everything you love — compare ChatGPT, Claude, Gemini, Grok & DeepSeek in one tap.
2.19.0
Chat with your files
• FILE UPLOADS: Attach PDFs, CSVs, and text files to any chat — ask questions, get summaries, and pull out what matters
• MEMORY: Tell Chappie once — it remembers what matters and checks back in later, like a best friend who remembers to ask
• STUDIO: Creating images is more reliable — fewer failed generations, and clear guidance to write a better prompt when one doesn't work out
• POLISH & FIXES: The app opens in your chosen theme, photo uploads are more reliable, and dozens of fixes make everything smoother
Plus everything you love — compare ChatGPT, Claude, Gemini, Grok & DeepSeek in one tap.
Store changes
What Chappie AI Email Writer & Chat changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Description updated
Renamed
チャッピー：AI会話・GPT日本語チャット・画像生成 → チャッピー：AI会話・GPT日本語チャット・画像生成・編集
App got bigger
104 MB → 131 MB (+26%)