# KOYAF vs BELLASU

The clearest difference is ads: BELLASU at none against KOYAF's shown. KOYAF's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, 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.

KOYAF ships an update every 3 weeks, BELLASU fortnightly. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | KOYAF | BELLASU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 122 MB | 74 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MYUNG JA LEE](https://appshunter.io/developer/1721080950) | [SUJUNG YU](https://appshunter.io/developer/1849088289) |

## What reviewers say

### KOYAF

[App page](https://appshunter.io/ios/app/koyaf/id1661505537)

**Features:** macOS Compatibility

**In-app purchases:** none


### BELLASU

[App page](https://appshunter.io/ios/app/bellasu/id6754588578)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KOYAF free?

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

### Is BELLASU free?

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

### Do KOYAF or BELLASU have ads?

KOYAF shows ads; BELLASU does not.

### Which is updated more often, KOYAF or BELLASU?

KOYAF ships an update every 3 weeks, and BELLASU fortnightly. Most recently, KOYAF was updated on November 7, 2026 and BELLASU on November 9, 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.*