# Mie信 vs Time Capsule

The clearest difference is update cadence: Time Capsule at daily against Mie信's every 6 days. Mie信's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mie信 ships an update every 6 days, Time Capsule daily. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Mie信 | Time Capsule |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/time-capsule-fly-to-future/id6807333168/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 4 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [昆明咩信科技有限公司](https://appshunter.io/developer/1794972951) | [缓缓 刘](https://appshunter.io/developer/6806796595) |

## What reviewers say

### Mie信

[App page](https://appshunter.io/ios/app/mie/id6741677838)

**Features:** Vision Pro support

**In-app purchases:** none


### Time Capsule

[App page](https://appshunter.io/ios/app/time-capsule-fly-to-future/id6807333168)

Write letters to your future self, attach photos and voice notes, and schedule their delivery. The app keeps your messages private until the chosen date, offering a unique way to reflect on your past.

**Highlights:** Write letters to your future self, Schedule delivery dates, Attach photos and voice notes, Tag mood and set reminders, Secure with Face ID/Touch ID, View mood mix and writing rhythm

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mie信 free?

Mie信 is free to download, with no in-app purchases.

### Is Time Capsule free?

Time Capsule is free to download, with no in-app purchases.

### Do Mie信 or Time Capsule have ads?

Neither Mie信 nor Time Capsule shows ads.

### Which is updated more often, Mie信 or Time Capsule?

Mie信 ships an update every 6 days, and Time Capsule daily. Most recently, Mie信 was updated on November 8, 2026 and Time Capsule on November 6, 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.*