Time Caps vs 给未来写封信
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Caps
This app allows users to create a digital diary with various types of entries, including daily reflections, future messages, and voice notes. It offers features like mood-based coloring, serendipitous retrieval of past entries, and secure privacy protection. Users can also subscribe for enhanced functionalities and premium features.
- Daily mood-based journal entries
- Write messages to your future self
- Record voice notes for the future
- Serendipitous retrieval of past entries
- Secure passcode and biometric lock
- Daily reminders and widgets
- Offline functionality
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＊＊＊Featured on App Store＊＊＊ Features: ＊ Daily Caps: One day one cap, different colors for your different moods. ＊ Day Grid: Display journals in grids. Fill your lovely life with colorful daily caps. ＊ Time Fortune: Collect fortunes by writing daily caps. Share in your mood color. ＊ Future Caps: Write to your next birthday, to next Christmas, to the time after the exam/enrollment/entry, to the dear future you. ＊ Echo Caps: Send yourself a piece of voice from the present. ＊ Old Time: Shake your phone like a jar full of caps and meet your old days by serendipity. ＊ Workshop: Regain cap pieces every day to craft more future caps. ＊ Widgets: Meet your lovely widgets, glanceable anytime on your device. ＊ Account System: No more worry about accidentally removing the app or switching to a new phone. ＊ Privacy Protection: Secure your journals with passcode lock or Touch ID/Face ID. ＊ Daily Reminder: One day one cap! ＊ Offline Use: Everything works well under no network connection. ＊ Export & Share: Export your favorite caps to your albums or share them with your friends. ＊ Time Traveler Pro: Subscribe to unlock exclusive features, enhance Daily Caps, double regaining Pieces, and enjoy premium sync. Your lovely designer and developer (same person :D) is working hard to explore and create more cool and useful features. Thanks for your liking and support! If you like it, don’t forget to come back for rating, encouraging your developer and helping Time Caps become better. Ideas or feedback are always welcome. Please email us at: hi.pol.chen@gmail.com. Crafted with love by Pol Terms of Use: https://timecaps.app/terms Privacy Policy: https://timecaps.app/privacy
给未来写封信
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"ToFuture" Internet letter brand trusted by millions of users. Pick a sunny weekend afternoon, lying on the couch. Write a letter to the future~ May you live the way you want and remain proud forever. - Photo letter Record memorable pictures, look at the old photos after many years, you will feel the passing of time. - Voice letter Not only the words, but also the words that you want to say personally to the future can be recorded. - Hall Randomly present public letters from users around the world. - Me You can view the history of all letters Honor produced by Muuzi Studio.
Screenshots
Verdict
The clearest difference is ratings volume: Time Caps at 153 against 给未来写封信's 26. 给未来写封信's advantage is iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Time Caps sells 6 in-app purchases, starting at $3.99 per month and 给未来写封信 sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Time Caps against 4.8 for 给未来写封信. That said, the two scores are not equally well evidenced: Time Caps has 153 ratings behind it against 26, so its average is the more settled of the two. Written reviews are what separate them: 84% of Time Caps's written reviews are positive against 83% of 给未来写封信's.
Time Caps ships an update every 6 weeks, 给未来写封信 every 3 weeks. The most recent releases landed on September 2, 2026 and August 31, 2026 respectively.
| Parameter | Time Caps | 给未来写封信 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (153 ratings) | 4.8 (26 ratings) |
| Positive reviews | 83.7% of reviews — better | 82.6% of reviews |
| Number of ratings | 153 — better | 26 |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 163 MB |
| Age rating | 4+ | 17+ |
| Developer | 灿海 陈 | 庆桐 马 |
Customer experience
Time Caps
给未来写封信
Bugs and requests
Time Caps
Reported bugs
2 issues- 🐛 Interface issues with updates
- 🐛 Face ID issues reported
Requested features
9 requests- Ability to export previous posts
- Lower gem prices for capsules
- More options for describing the day
- Add template feature
- Support dark mode
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- Ability to add photos to daily journal entries
- Option to get one future cap a week
- Allow editing of old time caps without currency
- More descriptive options for daily mood
给未来写封信
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Time Caps
- Time Traveler Pro (Monthly)$3.991 Month
- Time Traveler Pro (Yearly)7 Days trial$24.991 Year
- 1200 Cap Pieces$0.99
- 2888 Cap Pieces$1.99
- 3600 Cap Pieces$2.99
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- 5000 Cap Pieces$3.99
给未来写封信
- 有声信件$0.99
- 照片信件$0.99
- 录音+照片信件$0.99
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- 普通信件+1$0.99
- Hope Card$0.99
- 标准版纸质信$5.99
- 礼盒版纸质信$9.99
- True Love Card$12.99
