# ST24 vs OTP.KZ

The clearest difference is update cadence: ST24 at every 5 days against OTP.KZ's every 2 months. OTP.KZ's advantage is iOS requirement (12.0 vs 15.6). 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.

ST24 ships an update every 5 days, OTP.KZ every 2 months. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ST24 | OTP.KZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 84 MB | 53 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shakhzod Akhmedov](https://appshunter.io/developer/1646929342) | [KZ TRADE MARKET, TOO](https://appshunter.io/developer/1845816313) |

## What reviewers say

### ST24

[App page](https://appshunter.io/ios/app/st24/id6743488175)

**Features:** macOS Compatibility

**In-app purchases:** none


### OTP.KZ

[App page](https://appshunter.io/ios/app/otpkz/id6753939105)

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

**In-app purchases:** none


## Frequently asked questions

### Is ST24 free?

ST24 is free to download, with no in-app purchases.

### Is OTP.KZ free?

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

### Do ST24 or OTP.KZ have ads?

Neither ST24 nor OTP.KZ shows ads.

### Which is updated more often, ST24 or OTP.KZ?

ST24 ships an update every 5 days, and OTP.KZ every 2 months. Most recently, ST24 was updated on September 9, 2026 and OTP.KZ on September 18, 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.*