# Keyper vs Oysterun

The clearest difference is update cadence: Oysterun at every 9 days against Keyper's monthly. 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.

Keyper ships an update monthly, Oysterun every 9 days. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Keyper | Oysterun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Size | 17 MB | 2 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KEYXENTIC INC.](https://appshunter.io/developer/1255559704) | [HsuanChung Wang](https://appshunter.io/developer/1892752641) |

## What reviewers say

### Keyper

[App page](https://appshunter.io/ios/app/keyper-mobile/id6472255572)

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

**In-app purchases:** none


### Oysterun

[App page](https://appshunter.io/ios/app/oysterun/id6762069229)

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

**In-app purchases:** none


## Frequently asked questions

### Is Keyper free?

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

### Is Oysterun free?

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

### Do Keyper or Oysterun have ads?

Neither Keyper nor Oysterun shows ads.

### Which is updated more often, Keyper or Oysterun?

Keyper ships an update monthly, and Oysterun every 9 days. Most recently, Keyper was updated on October 2, 2026 and Oysterun on October 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.*