# Movement Principle vs Syncstaff

The clearest difference is update cadence: Syncstaff at every 3 weeks against Movement Principle's every 3 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.

Movement Principle ships an update every 3 months, Syncstaff every 3 weeks. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Movement Principle | Syncstaff |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 55 MB | 60 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Momence, Inc.](https://appshunter.io/developer/1577856011) | [Meddent IT Pty Ltd](https://appshunter.io/developer/1895906601) |

## What reviewers say

### Movement Principle

[App page](https://appshunter.io/ios/app/movement-principle/id6737694155)

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

**In-app purchases:** none


### Syncstaff

[App page](https://appshunter.io/ios/app/syncstaff/id6764760640)

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

**In-app purchases:** none


## Frequently asked questions

### Is Movement Principle free?

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

### Is Syncstaff free?

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

### Do Movement Principle or Syncstaff have ads?

Neither Movement Principle nor Syncstaff shows ads.

### Which is updated more often, Movement Principle or Syncstaff?

Movement Principle ships an update every 3 months, and Syncstaff every 3 weeks. Most recently, Movement Principle was updated on October 9, 2026 and Syncstaff on October 4, 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.*