# CTR 3D Studio vs Garage Master App

The clearest difference is iOS requirement: CTR 3D Studio at 11.0 against Garage Master App's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 20, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | CTR 3D Studio | Garage Master App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free | — |
| Size | 120 MB | 41 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Central Corporation](https://appshunter.io/developer/1505663117) | [Niftymobile Apps](https://appshunter.io/developer/412599973) |

## What reviewers say

### CTR 3D Studio

[App page](https://appshunter.io/ios/app/ctr-3d-studio/id1583542444)

Explore automotive parts in high-resolution 3D to understand engineering specifications and product features. Learn assembly and diagnostic tips for these components.

**Highlights:** 3D part visualization, Engineering spec exploration, Product feature insights, Assembly tips, Diagnostic guidance

**Features:** macOS Compatibility

**In-app purchases:** none


### Garage Master App

[App page](https://appshunter.io/ios/app/garage-master-app/id6475333066)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CTR 3D Studio free?

CTR 3D Studio is free to download, with no in-app purchases.

### Is Garage Master App free?

Garage Master App is free to download, with no in-app purchases.

### Do CTR 3D Studio or Garage Master App have ads?

Neither CTR 3D Studio nor Garage Master App shows ads.

### Which is updated more often, CTR 3D Studio or Garage Master App?

CTR 3D Studio ships an update every 5 months, and Garage Master App every 5 months. Most recently, CTR 3D Studio was updated on September 20, 2026 and Garage Master App on September 27, 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.*