Comparison

Grat vs NotTODO

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Grat

Features
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"Grat" is the app for recording your thanks and showing your gratitude by sending a digital letter. โ—Ž For these cases "I want to remember others' favors" "I'm looking for a way to express my gratitude by more than just a chat message but less formal than a paper letter" โ—Ž Features โ–  Write your thanks Write your emotions, thanks, gratitudes, and what you feel awesome about. โ–  Visualize your stock of gratitudes Your recorded gratitudes are built up and the number is shown on the main page. โ–  Send a gratitude letter online After writing a letter to whom you want to express your gratitude, you can send an online letter with a published URL. โ–  Get positive quotes We deliver positive quotes from famous people. โ–  Customizable appearance You can choose from several background colors. โ–  Dark theme You can select a dark theme to protect your eyes or save your battery. โ–  Secure biometrics lock You can lock the app with biometrics like Face ID or Touch ID if you don't want others to see it. We're very pleased if you send feedback from the contact page in the app.

About

NotTODO

Features
Read full description

ใ‚„ใ‚‰ใชใ„ใ“ใจใ‚’็ฎก็†ใ™ใ‚‹ใ‚ขใƒ—ใƒช ๆ‚ช็ฟ’ๆ…ฃใ‚’ๆ–ญใกๅˆ‡ใ‚‹ใŸใ‚ใฎๆ–ฐใ—ใ„็ฟ’ๆ…ฃใ‚’ๅง‹ใ‚ใพใ—ใ‚‡ใ†ใ€‚ ใ“ใฎใ‚ขใƒ—ใƒชใงใฏใ€ใ‚„ใ‚‰ใชใ„ใ“ใจใ‚’ใƒชใ‚นใƒˆใซใ—ใฆ้€š็Ÿฅใงใƒชใƒžใ‚คใƒณใƒ‰ใ—ใ€็”ป้ขใงๅธธใซ็ขบ่ชใ€ๅ…ฑๆœ‰ๆฉŸ่ƒฝใงไปฒ้–“ใจใƒขใƒใƒ™ใƒผใ‚ทใƒงใƒณใ‚’้ซ˜ใ‚ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚ ใ‚ทใƒณใƒ—ใƒซใงๅŠนๆžœ็š„ใช่‡ชๅทฑ็ฎก็†ใƒ„ใƒผใƒซใ‚’ใœใฒใŠ่ฉฆใ—ใใ ใ•ใ„ใ€‚

Screenshots

Grat4 screens
NotTODO2 screens

Verdict

The call

The clearest difference is in-app purchases: NotTODO at none against Grat's 1. Grat's advantage is update cadence (every 3 days vs every 2 months) and iOS requirement (12.0 vs 17.5). On price, ads 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Grat sells 1 one-off in-app purchase. NotTODO asks for nothing beyond the download.

UpkeepUpdate frequency

Grat ships an update every 3 days, NotTODO every 2 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

Scorecard3 real differences ยท 3 level
Grat versus NotTODO: the parameters behind the verdict, then further details
ParameterGratNotTODO
PriceFreeFree
Update frequencyEvery 3 days โ€” betterEvery 2 months
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 โ€” better17.5
Further details โ€” not scored
Size70 MB15 MB
Age rating4+4+
DeveloperApero, Inc.Yoshito Usui

In-app purchases

1 purchases

Grat

One-time1
  • Carnation Theme$0.99
None

NotTODO

No in-app purchases

Questions

Is Grat free?
Grat is free to download, with in-app purchases available.
Is NotTODO free?
NotTODO is free to download, with no in-app purchases.
Do Grat or NotTODO have ads?
Neither Grat nor NotTODO shows ads.
Which is updated more often, Grat or NotTODO?
Grat ships an update every 3 days, and NotTODO every 2 months. Most recently, Grat was updated on November 7, 2026 and NotTODO on November 4, 2026.

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