# 存丫 vs Ai

The clearest difference is iOS requirement: 存丫 at 13.0 against Ai's 16.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

存丫 ships an update every 3 weeks, Ai every 2 weeks. The most recent releases landed on September 20, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 存丫 | Ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 196 MB | 30 MB |
| Requires iOS | **13.0** | 16.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [亿次网联(杭州)科技有限公司](https://appshunter.io/developer/1540251643) | [chienchia Lo](https://appshunter.io/developer/1705727380) |

## What reviewers say

### 存丫

[App page](https://appshunter.io/ios/app/id6742396675)

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

**In-app purchases:** none


### Ai

[App page](https://appshunter.io/ios/app/ai-cloud/id6751182102)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 存丫 free?

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

### Is Ai free?

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

### Do 存丫 or Ai have ads?

Neither 存丫 nor Ai shows ads.

### Which is updated more often, 存丫 or Ai?

存丫 ships an update every 3 weeks, and Ai every 2 weeks. Most recently, 存丫 was updated on September 20, 2026 and Ai on September 14, 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.*