# REDtone Ring vs KOIKO 扣一扣

The clearest difference is update cadence: KOIKO 扣一扣 at every 2 weeks against REDtone Ring's every 2 months. REDtone Ring's advantage is iOS requirement (14 vs 16.4). 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.

REDtone Ring ships an update every 2 months, KOIKO 扣一扣 every 2 weeks. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | REDtone Ring | KOIKO 扣一扣 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 15 MB | 39 MB |
| Requires iOS | **14** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [REDtone Digital Berhad](https://appshunter.io/developer/1168561182) | [JACK CAPITAL SDN. BHD.](https://appshunter.io/developer/1582748298) |

## What reviewers say

### REDtone Ring

[App page](https://appshunter.io/ios/app/redtone-ring/id1448999437)

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

**In-app purchases:** none


### KOIKO 扣一扣

[App page](https://appshunter.io/ios/app/koiko/id1582748296)

**In-app purchases:** none


## Frequently asked questions

### Is REDtone Ring free?

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

### Is KOIKO 扣一扣 free?

KOIKO 扣一扣 is free to download, with no in-app purchases.

### Do REDtone Ring or KOIKO 扣一扣 have ads?

Neither REDtone Ring nor KOIKO 扣一扣 shows ads.

### Which is updated more often, REDtone Ring or KOIKO 扣一扣?

REDtone Ring ships an update every 2 months, and KOIKO 扣一扣 every 2 weeks. Most recently, REDtone Ring was updated on October 11, 2026 and KOIKO 扣一扣 on September 30, 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.*