LifeLogue vs SAI
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
LifeLogue
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LifeLogue is a lifelog SNS that brings every part of your daily life together in one logbook. β Write a Diary With text or voice β pick your mood and record your thoughts freely. Our AI transcribes your speech, so just talking creates a complete diary entry. β Log the Things You Love Movies watched, books read, music heard, games played β add your thoughts and ratings to build a personal archive of the works that move you. β Track Your Training Over 58 types of exercises supported. Log sets, reps, and weights to visualize your progress. β Leave Footprints of Your Journey Pin the places you visit on a map. Check your prefecture conquest progress on a map of Japan. Save photos and memories from every travel spot. β AI That Analyzes Your Everyday Advanced AI insights powered by Google Gemini and Claude. Visualize trends in your diary, shifts in emotion, and patterns in your activity. β Legal Terms of Service: https://www.lifelogue.jp/terms Privacy Policy: https://www.lifelogue.jp/privacy
SAI
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SAI is a private shared diary for collecting everyday moments with the people closest to you. Choose photos and leave a short story for each scene. Your friends' entries open after you share your own. Leave comments on individual photos and draw together on the same daily page. At the end of each month, your moments become a book. Read it by date or gather one person's entries to revisit the month from their point of view. β’ A story for every photo, plus the day's emotion and music β’ Invite-only private diaries β’ Photo comments and a live shared doodle page β’ Monthly books arranged by date or person β’ Sign in with Google or Apple You choose the name shown inside SAI. Names from your Google or Apple profile are never displayed to friends.
Screenshots
Verdict
The clearest difference is in-app purchases: SAI at none against LifeLogue's 2. LifeLogue's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price and ads 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. LifeLogue sells 2 in-app purchases, starting at $2.99 per month. SAI asks for nothing beyond the download.
| Parameter | LifeLogue | SAI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | β |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 18.0 |
| Further details β not scored | ||
| Size | 45 MB | 30 MB |
| Age rating | 4+ | 12+ |
| Developer | Toya Kakohara | seunghwan OH |
In-app purchases
LifeLogue
- PRO Plan (Monthly)$2.991 Month
- PRO Plan (Yearly)$29.991 Year
SAI
No in-app purchases









