# Katamuki Checker vs SynoPosture

The clearest difference is price: Katamuki Checker at $0.49 against SynoPosture's $3.99. Katamuki Checker also leads on iOS requirement (17.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Katamuki Checker costs $0.49 and SynoPosture $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Katamuki Checker | SynoPosture |
| --- | --- | --- |
| Price | **$0.49** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | — |
| Size | 6 MB | 7 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [yuuki iwamoto](https://appshunter.io/developer/1039662444) | [durul dalkanat](https://appshunter.io/developer/416444170) |

## What reviewers say

### Katamuki Checker

[App page](https://appshunter.io/ios/app/katamuki-checker/id1234081701)

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

**In-app purchases:** none


### SynoPosture

[App page](https://appshunter.io/ios/app/synoposture/id6747050863)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Katamuki Checker free?

Katamuki Checker costs $0.49, with no in-app purchases.

### Is SynoPosture free?

SynoPosture costs $3.99, with no in-app purchases.

### Do Katamuki Checker or SynoPosture have ads?

Neither Katamuki Checker nor SynoPosture shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*