280days Downloads & Revenue280days : Pregnancy Diary App · App Store & Google Play
280days : Pregnancy Diary App gets 100+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
280days : Pregnancy Diary App by amane factory inc. is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
280days : Pregnancy Diary App update history & changes
Last change · 16 events since 14 Jul 2015Full timeline ↓Full timeline · 16 events
- 📈280days : Pregnancy Diary App entered the top 100iOSTop Grossing · Medical · ID
- ✏️280days : Pregnancy Diary App added hidden keywords: ninaruiOSwords in the App Store's hidden keyword field (found by probing search)
- 📈280days : Pregnancy Diary App charting in a new countryAndroidSaudi Arabia
- 📈280days : Pregnancy Diary App charting in a new countryAndroidThailand
- 📈280days : Pregnancy Diary App entered the top 10AndroidTop Free · Parenting · TW
- 📈280days : Pregnancy Diary App charting in a new country in 3 chartsAndroidNetherlands · Taiwan · Vietnam
- 📊280days : Pregnancy Diary App passed 1M monthly usersiOSour estimate
- 📊280days : Pregnancy Diary App passed 1M monthly usersAndroidour estimate
- 📈280days : Pregnancy Diary App charting in a new countryiOSIndonesia
- ✏️280days : Pregnancy Diary App added hidden keywords: 出産, 赤ちゃんの成長, 妊活, 育児 +1 moreiOSwords in the App Store's hidden keyword field (found by probing search)
- 🆕280days : Pregnancy Diary App first spotted by AppInsiderAndroidSouth Korea
- 🆕280days : Pregnancy Diary App first spotted by AppInsideriOS#64 in Top Grossing · Medical · South Korea
- 📦280days : Pregnancy Diary App version 3.4.7iOSNo release notes
- 📦280days : Pregnancy Diary App version 3.4.7AndroidThank you for always using 280days.
* Improved the stability and performance.
We will continue to make improvements in order to provide better services to our users in the future. Thank you for always using 280days. - 🆕280days : Pregnancy Diary App released on Google PlayAndroid
- 🆕280days : Pregnancy Diary App released on the App StoreiOS
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Parenting Free280days : Pregnancy Diary App at a glance
AI summary written from our chart and store data, 2026-11-06. It can be wrong: check the numbers above.
A free pregnancy tracking and diary app designed for expectant parents to monitor health, visualize fetal development, and share records with their partner. The app holds strong top-10 positions in the Parenting Free charts in Taiwan and Japan, indicating high regional relevance and user engagement in East Asian markets.
Similar apps: Pregnancy Tracker by BabyCenter, Glow Nurture, Pregnancy+
App Store
App details
App privacy Measured
280days : Pregnancy Diary App’s App Store privacy label declares 3 data categories used to track you across other companies’ apps and websites, 3 linked to your identity and 5 collected anonymously.
As declared by the developer on the App Store — Apple requires every app to publish this label. We track changes over time.
Google Play
App details
Tech stack
Trackers and permissions of build v3.3.3, from the εxodus privacy report (CC BY-SA).
280days : Pregnancy Diary App downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | 100+ | 1M+ |
| Google Play | 100+ | 1M+ Measured |
| Total | 100+ Confidence | 5M+ Confidence |
How this is calculated
Where 280days : Pregnancy Diary App'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.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
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: Ad-led
How 280days : Pregnancy Diary App makes money: subscriptions, one-off purchases and ads.
Top in-app purchases · App Store US, most popular first
| 1 | Ad Banner remove | |
| 2 | BABY BOOK data ver.(PDF) |
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | #8 Medical Free | 2 of 30 countries | – | – |
| Google Play | #6 Parenting Free | 7 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.8 ★ | 10k |
| Google Play | 4.8 ★ | 40k 421 written reviews |
| Both stores | 4.8 ★ weighted by ratings | 50k |
What users say about 280days : Pregnancy Diary App
From the 50 most recent App Store reviews in the US.
Users praise the app's cute illustrations, daily supportive messages, and partner-sharing features for tracking pregnancy progress. However, significant complaints arise regarding lack of inclusivity for diverse family structures, technical bugs like crashes and slow performance, and missing localization options such as imperial units.
Mixed but leaning positive (68% of recent reviews give 4–5 stars). People like it for being useful, and being easy to use. The main complaints are about missing features or content. Recent reviews are more negative than earlier ones.
What people like
- Useful: “This APP is really useful!”
- Ease of use: “Also very convenient to keep track”
- Fun: “It makes the countdown fun”
- Updates: “❤️👏🏼👏🏼👏🏼This app made it super easy to update and track our pregnancy journey from start to finish”
Common complaints
- Features & content: “It lacks the option for just mommy or just daddy”
About 280days : Pregnancy Diary App
[Can be shared with your spouse!]
[Turn your pregnancy records into a book!]
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Enjoy your pregnancy even more!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
280days is a pregnancy record and diary app that allows you to further enjoy your pregnancy. Enjoy creating pregnancy records and diary entries as a couple and share information on the baby's condition and Mommy's physical condition with each other. The pregnancy records you created can be exported as a book later.
You can thereby preserve your priceless memories saved in 280days in a single book.
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
A request from 280days Support Office
ーーーーーーーーーーーーーーーーーーーーーーー
Writing an AppStore review about the specific issues you are facing when using the app will not allow us to help you solve the issues, as we will not be able to check any detailed information through the review.
If you run into any issues, please contact us through the app, or email us at [email protected].
We will assist you to the best of our abilities.
We apologize for any inconvenience we may cause, and thank you for your cooperation.
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Visualize the baby in your tummy with
cute illustrations!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Check on the baby in your tummy every day!
The cute illustrations of the baby will make different adorable gestures each time you open the app, and will grow based on the number of weeks of your pregnancy. The baby will also talk whenever you tap on the baby. The baby's lines changes every day, and will send you messages of encouragement and information on the baby's condition.
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Fully manage your physical condition
and memories!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Manage your physical condition and medical checkups daily with just this app!
By recording your physical condition and medical checkup results, you can manage your ultrasound photos and weight records all at once. In addition, you can save your maternity photos and memories of your pregnancy as a photo diary together with your spouse.
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
First-time Mommy or Daddy? No problem!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
The week-by-week advice in 280days all come with illustrations! Enjoy reading and learning how the baby is growing, how Mommy's physical condition changes and advice on how she could spend her time at each week of her pregnancy.
Mommy's physical condition records and the baby's condition can be shared with Daddy. There are also plenty of advice for Daddy at each week of the pregnancy. 280days will enable Daddy to understand pregnancy better and help improve the communication between couples.
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
All the functions necessary during pregnancy
in one app!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
This app is fully equipped with functions to support you throughout your pregnancy, such as pregnancy countdown and weight management graphs!
Enjoy your pregnancy even more by taking a comme
280days : Pregnancy Diary App App Store
280days : Pregnancy Diary App gets 100+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
280days : Pregnancy Diary App is #8 in Medical Free in Japan and charting in 2 of 30 countries we track.
Updated 9 Nov 2026 · rankings refresh through the day
24 Sep 2026 Medical Free280days : Pregnancy Diary App on the App Store
App details
App privacy Measured
280days : Pregnancy Diary App’s App Store privacy label declares 3 data categories used to track you across other companies’ apps and websites, 3 linked to your identity and 5 collected anonymously.
As declared by the developer on the App Store — Apple requires every app to publish this label. We track changes over time.
280days : Pregnancy Diary App downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where 280days : Pregnancy Diary App'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.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend in 280days : Pregnancy Diary App before Apple and Google take their fee.
How this is calculated
Business model: Ad-led
How 280days : Pregnancy Diary App makes money: subscriptions, one-off purchases and ads.
Top in-app purchases · App Store US, most popular first
| 1 | Ad Banner remove | |
| 2 | BABY BOOK data ver.(PDF) |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | MedicalFree | #8 |
| Japan | MedicalGrossing | #59 |
| South Korea | MedicalFree | #45 |
| South Korea | MedicalGrossing | #65 |
Apps near 280days : Pregnancy Diary App on the chart
Medical Free, around #8.
Ratings
App Store, worldwide.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about 280days : Pregnancy Diary App
From the 50 most recent App Store reviews in the US.
Users praise the app's cute illustrations, daily supportive messages, and partner-sharing features for tracking pregnancy progress. However, significant complaints arise regarding lack of inclusivity for diverse family structures, technical bugs like crashes and slow performance, and missing localization options such as imperial units.
Mixed but leaning positive (68% of recent reviews give 4–5 stars). People like it for being useful, and being easy to use. The main complaints are about missing features or content. Recent reviews are more negative than earlier ones.
What people like
- Useful: “This APP is really useful!”
- Ease of use: “Also very convenient to keep track”
- Fun: “It makes the countdown fun”
- Updates: “❤️👏🏼👏🏼👏🏼This app made it super easy to update and track our pregnancy journey from start to finish”
Common complaints
- Features & content: “It lacks the option for just mommy or just daddy”
About 280days : Pregnancy Diary App
[Can be shared with your spouse!]
[Turn your pregnancy records into a book!]
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Enjoy your pregnancy even more!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
280days is a pregnancy record and diary app that allows you to further enjoy your pregnancy. Enjoy creating pregnancy records and diary entries as a couple and share information on the baby's condition and Mommy's physical condition with each other. The pregnancy records you created can be exported as a book later.
You can thereby preserve your priceless memories saved in 280days in a single book.
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
A request from 280days Support Office
ーーーーーーーーーーーーーーーーーーーーーーー
Writing an AppStore review about the specific issues you are facing when using the app will not allow us to help you solve the issues, as we will not be able to check any detailed information through the review.
If you run into any issues, please contact us through the app, or email us at [email protected].
We will assist you to the best of our abilities.
We apologize for any inconvenience we may cause, and thank you for your cooperation.
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Visualize the baby in your tummy with
cute illustrations!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Check on the baby in your tummy every day!
The cute illustrations of the baby will make different adorable gestures each time you open the app, and will grow based on the number of weeks of your pregnancy. The baby will also talk whenever you tap on the baby. The baby's lines changes every day, and will send you messages of encouragement and information on the baby's condition.
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Fully manage your physical condition
and memories!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Manage your physical condition and medical checkups daily with just this app!
By recording your physical condition and medical checkup results, you can manage your ultrasound photos and weight records all at once. In addition, you can save your maternity photos and memories of your pregnancy as a photo diary together with your spouse.
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
First-time Mommy or Daddy? No problem!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
The week-by-week advice in 280days all come with illustrations! Enjoy reading and learning how the baby is growing, how Mommy's physical condition changes and advice on how she could spend her time at each week of her pregnancy.
Mommy's physical condition records and the baby's condition can be shared with Daddy. There are also plenty of advice for Daddy at each week of the pregnancy. 280days will enable Daddy to understand pregnancy better and help improve the communication between couples.
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
All the functions necessary during pregnancy
in one app!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
This app is fully equipped with functions to support you throughout your pregnancy, such as pregnancy countdown and weight management graphs!
Enjoy your pregnancy even more by taking a comme
Latest updates
More from amane factory inc.
280days: Pregnancy Diary Android
280days: Pregnancy Diary gets 100+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
280days: Pregnancy Diary is #6 in Parenting Free on Google Play in Japan and charting in 7 of 23 countries we track.
Updated 9 Nov 2026 · rankings refresh through the day
Parenting Free280days: Pregnancy Diary at a glance
AI summary written from our chart and store data, 2026-11-06. It can be wrong: check the numbers above.
A free pregnancy tracking and diary app designed for expectant parents to monitor health, visualize fetal development, and share records with their partner. The app holds strong top-10 positions in the Parenting Free charts in Taiwan and Japan, indicating high regional relevance and user engagement in East Asian markets.
Similar apps: Pregnancy Tracker by BabyCenter, Glow Nurture, Pregnancy+
280days: Pregnancy Diary on Google Play
App details
Tech stack
Trackers and permissions of build v3.3.3, from the εxodus privacy report (CC BY-SA).
280days: Pregnancy Diary downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where 280days: Pregnancy Diary'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.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend in 280days: Pregnancy Diary before Apple and Google take their fee.
How this is calculated
Business model: Ad-led
How 280days: Pregnancy Diary makes money: subscriptions, one-off purchases and ads.
Top in-app purchases · App Store US, most popular first
| 1 | Ad Banner remove | |
| 2 | BABY BOOK data ver.(PDF) |
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | ParentingFree | #6 |
 Taiwan | ParentingFree | #6 |
| South Korea | ParentingFree | #40 |
 United Arab Emirates | ParentingFree | #185 |
 Netherlands | ParentingFree | #195 |
 Thailand | ParentingFree | #187 |
 Vietnam | ParentingFree | #181 |
Apps near 280days: Pregnancy Diary on the chart
Parenting Free, around #6.
Ratings
Google Play, worldwide.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about 280days: Pregnancy Diary
From the 60 most recent Google Play reviews in the US.
Users appreciate the app's cute design, detailed weekly information for both parents, and ease of use for tracking pregnancy milestones. However, significant complaints arise regarding technical bugs like registration errors and data loss, as well as content inaccuracies and localization issues.
Mixed but leaning positive (70% of recent reviews give 4–5 stars). People like it for being useful, and being easy to use. The main complaints are about crashes and bugs, and recent updates. Recent reviews are more positive than earlier ones.
What people like
- Useful: “What a lovely and useful app!”
- Ease of use: “Lovely app and easy to use”
- Features & content: “Option to upload images is also a good feature”
- Updates: “loving this.Keeps me updated”
Common complaints
- Crashes & bugs: “It was working fine until it updates the app crash”
- Updates: “It was working fine until it updates the app crash”
About 280days: Pregnancy Diary
A FREE pregnancy record and diary app that you can share with your spouse.
Connecting not only Mommy and Daddy, but also the baby in Mommy's tummy♥
The only app you need to manage your physical condition and medical checkups★
Packed with services and functions that will make your pregnancy more enjoyable, such as baby illustrations that grow based on the number of weeks of your pregnancy, week-by-week pregnancy advice and message cards!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊Visualize the baby in your tummy with cute illustrations!
Check on the baby in your tummy every day!
The cute illustrations of the baby will make different adorable gestures each time you open the app, and will grow based on the number of weeks of your pregnancy. The baby will also talk whenever you tap on the baby. The baby's lines changes every day, and will send you messages of encouragement and information on the baby's condition.
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊Fully manage your physical condition and memories!
Manage your physical condition and medical checkups daily with just this app!
By recording your physical condition and medical checkup results, you can manage your ultrasound photos and weight records all at once. In addition, you can save your maternity photos and memories of your pregnancy as a photo diary together with your spouse.
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊First-time Mommy or Daddy? No problem!
The week-by-week advice in 280days all come with illustrations! Enjoy reading and learning how the baby is growing, how Mommy's physical condition changes and advice on how she could spend her time at each week of her pregnancy.
Mommy's physical condition records and the baby's condition can be shared with Daddy. There are also plenty of advice for Daddy at each week of the pregnancy. 280days will enable Daddy to understand pregnancy better and help improve the communication between couples.
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊All the functions necessary during pregnancy in one app!
This app is fully equipped with functions to support you throughout your pregnancy, such as pregnancy countdown and weight management graphs!
Enjoy your pregnancy even more by taking a commemorative photo of the baby's illustrations and upload it to your SNS, or send message cards celebrating your baby's growth!
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊Turn your pregnancy records into a book!
You can export all your pregnancy records saved in 280days to an easy-to-read layout exclusively for books.
Preserve your priceless memories of your pregnancy saved in the app, such as ultrasound photos, maternity photos, diary entries and the cards you exchanged, in a single book.
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
◆Removing advertisements
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
In order to allow our users to enjoy their pregnancy better, 280days offers a function to hide the advertisements displayed at the bottom of the app through in-app purchases. If you like this app, please do take advantage of this function.
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
What's new in 3.4.7
* Improved the stability and performance.
We will continue to make improvements in order to provide better services to our users in the future. Thank you for always using 280days.