# SUNIN vs BeiFa AI

The clearest difference is update cadence: BeiFa AI at weekly against SUNIN's monthly. SUNIN's advantage is iOS requirement (13.0 vs 15.6). 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.

SUNIN ships an update monthly, BeiFa AI weekly. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | SUNIN | BeiFa AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 55 MB | 149 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [福建尚音未来科技有限公司](https://appshunter.io/developer/1807921119) | [深圳市贝发智品网络科技有限公司](https://appshunter.io/developer/1891897342) |

## What reviewers say

### SUNIN

[App page](https://appshunter.io/ios/app/sunin/id6744504316)

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

**In-app purchases:** none


### BeiFa AI

[App page](https://appshunter.io/ios/app/beifa-ai/id6761874756)

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

**In-app purchases:** none


## Frequently asked questions

### Is SUNIN free?

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

### Is BeiFa AI free?

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

### Do SUNIN or BeiFa AI have ads?

Neither SUNIN nor BeiFa AI shows ads.

### Which is updated more often, SUNIN or BeiFa AI?

SUNIN ships an update monthly, and BeiFa AI weekly. Most recently, SUNIN was updated on October 11, 2026 and BeiFa AI on October 12, 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.*