Grat vs DiaryPal
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Grat
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"Grat" is the app for recording your thanks and showing your gratitude by sending a digital letter. β 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" β Features β Write your thanks Write your emotions, thanks, gratitudes, and what you feel awesome about. β Visualize your stock of gratitudes Your recorded gratitudes are built up and the number is shown on the main page. β 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. β Get positive quotes We deliver positive quotes from famous people. β Customizable appearance You can choose from several background colors. β Dark theme You can select a dark theme to protect your eyes or save your battery. β 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.
DiaryPal
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DiaryPal is an anonymous exchange diary for sharing a small part of your day with someone you do not know. Write your feelings today, send your diary through Palgo, and receive a reply like a small letterβnot a real-time chat. Exchanges are short-lived and naturally end after seven days. β’ Write a page each day and build a gentle diary habit β’ Exchange diary entries with a random anonymous partner β’ Reply at your own pace in a simple, stationery-inspired experience β’ Translate diary entries across languages β’ Add photos and unlock extra diary benefits with Palgo Plus β’ Report or block to help keep exchanges safe DiaryPal has no public timeline, following, search, dating, or free-form direct messages. Your exchange stays focused on a few thoughtful pages. Palgo grows with your daily writing. Start with one page today. Terms of Use: https://diarypal.dev/terms
Screenshots
Verdict
The clearest difference is iOS requirement: Grat at 12.0 against DiaryPal's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Grat sells 1 one-off in-app purchase and DiaryPal sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Grat ships an update every 3 days, DiaryPal every 5 days. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.
| Parameter | Grat | DiaryPal |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days β better | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 β better | 15.1 |
| Further details β not scored | ||
| Size | 70 MB | 128 MB |
| Age rating | 4+ | 9+ |
| Developer | Apero, Inc. | MORIHARA SOSUKE |
In-app purchases
Grat
- Carnation Theme$0.99
DiaryPal
- Palgo Plus Monthly$4.991 Month
- Palgo Plus Annual$24.991 Year









