# 给未来写封信 vs Time Capsule

The clearest difference is rating: 给未来写封信 at 4.8 against Time Capsule's 4.3. 给未来写封信 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price, review sentiment, in-app purchases and device support there is nothing between them.

Both are free to download. 给未来写封信 sells 8 one-off in-app purchases and Time Capsule sells 10 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

给未来写封信 holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 28 and 7 respectively. Written reviews point the same way: 83% of 给未来写封信's written reviews are positive against 79% of Time Capsule's.

给未来写封信 ships an update every 3 weeks, Time Capsule every 6 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 给未来写封信 | Time Capsule |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (28 ratings)](https://appshunter.io/ios/app/id1330852849/reviews)** | [4.3 (7 ratings)](https://appshunter.io/ios/app/time-capsule-future-letters/id1358237203/reviews) |
| Number of ratings | **28** | 7 |
| Positive reviews | **82.6% of reviews** | 79.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 122 MB | 134 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [庆桐 马](https://appshunter.io/developer/1176019983) | [希 陈](https://appshunter.io/developer/1353019342) |

## What reviewers say

### 给未来写封信

[App page](https://appshunter.io/ios/app/id1330852849)

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有声信件 | $0.99 | one-time |
| 照片信件 | $0.99 | one-time |
| 录音+照片信件 | $0.99 | one-time |
| 普通信件+1 | $0.99 | one-time |
| Hope Card | $0.99 | one-time |
| 标准版纸质信 | $5.99 | one-time |
| 礼盒版纸质信 | $9.99 | one-time |
| True Love Card | $12.99 | one-time |


### Time Capsule

[App page](https://appshunter.io/ios/app/time-capsule-future-letters/id1358237203)

Send letters to your future self or loved ones. Capture memories with photos and heartfelt messages. Experience the joy of receiving a message from the past.

**Highlights:** Send future dated electronic letters, Include photos with your messages, Write short love letters with photos, Receive physical paper letters, Capture and store memories, Communicate with your future self

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 时间胶囊-月度超级会员服务 | $0.99 | per month |
| 时间胶囊-年度超级会员 | $2.99 | per year |
| 获取不限字数的信纸 | $0.99 | one-time |
| 给未来寄一封带照片的信 | $0.99 | one-time |
| 给你的Ta寄一封三行情书 | $0.99 | one-time |
| 时间胶囊-永久去广告 | $0.99 | one-time |
| 纸短情长-纸质信纸普通版 | $4.99 | one-time |
| 时间胶囊超级会员 | $5.99 | one-time |
| 纸短情长-纸质信纸升级版 | $9.99 | one-time |
| 纸短情长-纸质信纸尊享版 | $19.99 | one-time |


## Frequently asked questions

### Is 给未来写封信 free?

给未来写封信 is free to download, with in-app purchases available.

### Is Time Capsule free?

Time Capsule is free to download, with in-app purchases available.

### Which has better reviews, 给未来写封信 or Time Capsule?

给未来写封信 is rated higher. 给未来写封信 averages 4.8 out of 5 from 28 ratings, while Time Capsule averages 4.3 from 7 ratings.

### Do 给未来写封信 or Time Capsule have ads?

Time Capsule shows ads; 给未来写封信 does not.

### Which is updated more often, 给未来写封信 or Time Capsule?

给未来写封信 ships an update every 3 weeks, and Time Capsule every 6 weeks. Most recently, 给未来写封信 was updated on October 24, 2026 and Time Capsule on October 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*