# CollisionSync vs Diecast Crew Chief

The clearest difference is in-app purchases: CollisionSync at none against Diecast Crew Chief's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Diecast Crew Chief sells 2 in-app purchases, starting at $2.99 per month. CollisionSync asks for nothing beyond the download.

CollisionSync ships an update every 2 weeks, Diecast Crew Chief weekly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CollisionSync | Diecast Crew Chief |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 37 MB | 11 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SARKIS BALIKJI](https://appshunter.io/developer/1477234781) | [Bruce Lyon](https://appshunter.io/developer/1896357004) |

## What reviewers say

### CollisionSync

[App page](https://appshunter.io/ios/app/collisionsync/id6760992335)

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

**In-app purchases:** none


### Diecast Crew Chief

[App page](https://appshunter.io/ios/app/diecast-crew-chief/id6767046935)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crew Chief Collector | $2.99 | per month |
| Crew Chief Pro | $5.99 | per month |


## Frequently asked questions

### Is CollisionSync free?

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

### Is Diecast Crew Chief free?

Diecast Crew Chief is free to download, with in-app purchases available.

### Do CollisionSync or Diecast Crew Chief have ads?

Neither CollisionSync nor Diecast Crew Chief shows ads.

### Which is updated more often, CollisionSync or Diecast Crew Chief?

CollisionSync ships an update every 2 weeks, and Diecast Crew Chief weekly. Most recently, CollisionSync was updated on October 31, 2026 and Diecast Crew Chief on November 5, 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.*