# SUNESS vs ayi9

The clearest difference is iOS requirement: SUNESS at 12.0 against ayi9's 16.6. 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SUNESS | ayi9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 32 MB | 3 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [深圳市集智电子有限公司](https://appshunter.io/developer/1655111205) | [汉民 杨](https://appshunter.io/developer/611733383) |

## What reviewers say

### SUNESS

[App page](https://appshunter.io/ios/app/suness/id6447615417)

**Features:** macOS Compatibility

**In-app purchases:** none


### ayi9

[App page](https://appshunter.io/ios/app/ayi9/id6756864256)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SUNESS free?

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

### Is ayi9 free?

ayi9 is free to download, with no in-app purchases.

### Do SUNESS or ayi9 have ads?

Neither SUNESS nor ayi9 shows ads.

### Which is updated more often, SUNESS or ayi9?

SUNESS ships an update every 3 months, and ayi9 every 3 months. Most recently, SUNESS was updated on September 23, 2026 and ayi9 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.*