# KATAPP vs K2Stone

The clearest difference is update cadence: K2Stone at every 4 weeks against KATAPP's every 2 months. 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.

KATAPP ships an update every 2 months, K2Stone every 4 weeks. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | KATAPP | K2Stone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 90 MB | 36 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kataoka Shoten Co.,Ltd](https://appshunter.io/developer/1534137219) | [fei chang](https://appshunter.io/developer/1797916026) |

## What reviewers say

### KATAPP

[App page](https://appshunter.io/ios/app/katapp/id1534137216)

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

**In-app purchases:** none


### K2Stone

[App page](https://appshunter.io/ios/app/k2stone/id6742342964)

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

**In-app purchases:** none


## Frequently asked questions

### Is KATAPP free?

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

### Is K2Stone free?

K2Stone is free to download, with no in-app purchases.

### Do KATAPP or K2Stone have ads?

Neither KATAPP nor K2Stone shows ads.

### Which is updated more often, KATAPP or K2Stone?

KATAPP ships an update every 2 months, and K2Stone every 4 weeks. Most recently, KATAPP was updated on October 2, 2026 and K2Stone on October 3, 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.*