# CREWZONE vs AUDIO.SYNC

The clearest difference is price: CREWZONE at Free against AUDIO.SYNC's $3.99. CREWZONE also leads on update cadence (every 3 weeks vs every 7 months) and iOS requirement (15.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

CREWZONE is free to download; AUDIO.SYNC costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CREWZONE ships an update every 3 weeks, AUDIO.SYNC every 7 months. The most recent releases landed on May 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | CREWZONE | AUDIO.SYNC |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Size | 16 MB | 66 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [CREWZONE GmbH](https://appshunter.io/developer/1611266544) | [Kevin Bolus](https://appshunter.io/developer/1822360740) |

## What reviewers say

### CREWZONE

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

**Features:** macOS Compatibility

**In-app purchases:** none


### AUDIO.SYNC

[App page](https://appshunter.io/ios/app/audiosync/id6747685672)

**In-app purchases:** none


## Frequently asked questions

### Is CREWZONE free?

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

### Is AUDIO.SYNC free?

AUDIO.SYNC costs $3.99, with no in-app purchases.

### Do CREWZONE or AUDIO.SYNC have ads?

Neither CREWZONE nor AUDIO.SYNC shows ads.

### Which is updated more often, CREWZONE or AUDIO.SYNC?

CREWZONE ships an update every 3 weeks, and AUDIO.SYNC every 7 months. Most recently, CREWZONE was updated on May 17, 2026 and AUDIO.SYNC on September 10, 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.*