# Time Capsule vs 易修单

The clearest difference is in-app purchases: 易修单 at none against Time Capsule's 10. 易修单 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Time Capsule sells 10 in-app purchases, starting at $0.99 per month. 易修单 asks for nothing beyond the download.

Time Capsule ships an update every 6 weeks, 易修单 every 3 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | Time Capsule | 易修单 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/time-capsule-future-letters/id1358237203/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 79.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 134 MB | 44 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [希 陈](https://appshunter.io/developer/1353019342) | [Beijing New Era Science-tech Co.,Ltd.](https://appshunter.io/developer/1278222382) |

## What reviewers say

### 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 |


### 易修单

[App page](https://appshunter.io/ios/app/id6448248299)

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

**In-app purchases:** none


## Frequently asked questions

### Is Time Capsule free?

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

### Is 易修单 free?

易修单 is free to download, with no in-app purchases.

### Do Time Capsule or 易修单 have ads?

Time Capsule shows ads; 易修单 does not.

### Which is updated more often, Time Capsule or 易修单?

Time Capsule ships an update every 6 weeks, and 易修单 every 3 weeks. Most recently, Time Capsule was updated on October 16, 2026 and 易修单 on October 16, 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.*