NotTODO vs Yappy!
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
NotTODO
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ใใใชใใใจใ็ฎก็ใใใขใใช ๆช็ฟๆ ฃใๆญใกๅใใใใฎๆฐใใ็ฟๆ ฃใๅงใใพใใใใ ใใฎใขใใชใงใฏใใใใชใใใจใใชในใใซใใฆ้็ฅใงใชใใคใณใใใ็ป้ขใงๅธธใซ็ขบ่ชใๅ ฑๆๆฉ่ฝใงไปฒ้ใจใขใใใผใทใงใณใ้ซใใใใจใใงใใพใใ ใทใณใใซใงๅนๆ็ใช่ชๅทฑ็ฎก็ใใผใซใใใฒใ่ฉฆใใใ ใใใ
Yappy!
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Yappy! ใฏใใ่ฉฑใใใ ใใงๆๆ ใ่ฒใง่ฆใใๅใใๆฏใ่ฟใใขใใชใงใใ ใป่กจ็คบใใใ่ณชๅใซใ่ฉฑใใฆใๅ็ญใใใ ใ๏ผ ใป่ฆ็ดใๆๆ ๅๆใๆนๅใใใในใฆAIใซใใพใใ ใปAIใๅฃฐใใๅๆใใๆๆ ใใ็ฌ่ชใขใซใดใชใบใ ใง่ฒใซ่กจ็พ ใปใฆใฃใธใงใใใ้็ฅๆฉ่ฝใงใไธๆฅๅไธปใ้ฒๆญข ใYappy!ใใงใใฏใฏใฏใฏใใๆๆฅใซๅใใฆใไปๆฅใฎๆฏใ่ฟใใ่กใใพใใใ๏ผ ใใฆใณใญใผใ๏ผ้ซ่ฉไพกใ้กใใใพใ๏ผ
Screenshots
Verdict
The clearest difference is update cadence: Yappy! at monthly against NotTODO's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NotTODO ships an update every 2 months, Yappy! monthly. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.
| Parameter | NotTODO | Yappy! |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.5 | 17.5 |
| Further details โ not scored | ||
| Size | 15 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Yoshito Usui | TOSHIHIKO MORI |
In-app purchases
NotTODO
No in-app purchases
Yappy!
No in-app purchases
