Day Memory vs Big Yellow Diary
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Day Memory
Securely record your life's events with unlimited text entries, photos, and videos. Organize your experiences into different journals and ensure your data is private with end-to-end encryption and passcode protection. Access your memories across multiple platforms.
- Unlimited text, photo, and video entries
- Rich text formatting
- Multiple journal organization
- Automatic backups
- End-to-end encryption
- Passcode, TouchID, FaceID protection
- Cross-platform availability
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Day memory is the app that preserves your memories. Features: β’ Unlimited text entries with photos and videos β’ Powerful, rich text formatting β’ Different journals for every aspect of your life β’ Automatic backups keep your journal entries safe β’ End-to-end encryption to make your data 100% private β’ Protection with a passcode, TouchID, or FaceID β’ Reviewing memories β’ Cross-platform apps available on iPhone, iPad, Windows, and Mac
Big Yellow Diary
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Why keep a diary? My answer is, because some information may seem unimportant at the time, but later you might need it and forget it. For example, today I plan to visit a friend's house. Iβve been there before, but I just can't remember the exact address. Another example is, thereβs someone around me who said something, how can I judge if itβs true or not? One way is to compare it with what theyβve said before and see if there are any contradictions. Without a diary, there's no way to make such a comparison.
Screenshots
Verdict
The clearest difference is in-app purchases: Day Memory at none against Big Yellow Diary's 1. Day Memory also leads on iOS requirement (15.0 vs 17.0). Big Yellow Diary's advantage is update cadence (every 6 days vs every 3 weeks). On price, ads and device support 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. Big Yellow Diary sells 1 one-off in-app purchase. Day Memory asks for nothing beyond the download.
Day Memory ships an update every 3 weeks, Big Yellow Diary every 6 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | Day Memory | Big Yellow Diary |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 6 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | Free | β |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 102 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrii Kuzmenko | ε±± ι» |
In-app purchases
Day Memory
No in-app purchases
Big Yellow Diary
- Plus version$1.99
