# CREWZONE vs treffwork

The clearest difference is in-app purchases: CREWZONE at none against treffwork's 1. treffwork's advantage is update cadence (every 8 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. treffwork sells 1 in-app purchase, starting at $6.99 per month. CREWZONE asks for nothing beyond the download.

CREWZONE ships an update every 3 weeks, treffwork every 8 days. The most recent releases landed on September 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | CREWZONE | treffwork |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 16 MB | 60 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [CREWZONE GmbH](https://appshunter.io/developer/1611266544) | [Viyan Acar](https://appshunter.io/developer/6814973396) |

## What reviewers say

### CREWZONE

[App page](https://appshunter.io/ios/app/crewzone/id1643674698)

**Features:** macOS Compatibility

**In-app purchases:** none


### treffwork

[App page](https://appshunter.io/ios/app/treffwork/id6759860951)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Abo | $6.99 | per month |


## Frequently asked questions

### Is CREWZONE free?

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

### Is treffwork free?

treffwork is free to download, with in-app purchases available.

### Do CREWZONE or treffwork have ads?

Neither CREWZONE nor treffwork shows ads.

### Which is updated more often, CREWZONE or treffwork?

CREWZONE ships an update every 3 weeks, and treffwork every 8 days. Most recently, CREWZONE was updated on September 18, 2026 and treffwork on September 28, 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.*