# i vs Mochii

The clearest difference is update cadence: i at every 5 weeks against Mochii's every 12 months. i also leads on iOS requirement (8.0 vs 17.2). On price, ads, in-app purchases and device support there is nothing between them.

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

i ships an update every 5 weeks, Mochii every 12 months. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | i | Mochii |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 12 months |
| Size | 9 MB | 8 MB |
| Requires iOS | **8.0** | 17.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UNION biometrics Co., Ltd.](https://appshunter.io/developer/937089081) | [Christopher Own](https://appshunter.io/developer/948967341) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-unis/id937089082)

**In-app purchases:** none


### Mochii

[App page](https://appshunter.io/ios/app/mochii/id948967342)

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

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is Mochii free?

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

### Do i or Mochii have ads?

Neither i nor Mochii shows ads.

### Which is updated more often, i or Mochii?

i ships an update every 5 weeks, and Mochii every 12 months. Most recently, i was updated on October 18, 2026 and Mochii on October 19, 2026.

---

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