# Key Retrieve vs AAT Mechanic App

The clearest difference is price: AAT Mechanic App at Free against Key Retrieve's $9.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

AAT Mechanic App is free to download; Key Retrieve costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Key Retrieve ships an update every 12 months, AAT Mechanic App every 11 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Key Retrieve | AAT Mechanic App |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/aat-mechanic-app/id1628878781/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 11 months** |
| Monetization | — | Free |
| Size | 12 MB | 34 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Farren Domenici](https://appshunter.io/developer/583666476) | [Martin Hupa](https://appshunter.io/developer/444985004) |

## What reviewers say

### Key Retrieve

[App page](https://appshunter.io/ios/app/key-retrieve/id1354768409)

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

**In-app purchases:** none


### AAT Mechanic App

[App page](https://appshunter.io/ios/app/aat-mechanic-app/id1628878781)

This tool helps mechanics manage vehicle maintenance schedules and create work orders. It allows for viewing and clearing diagnostic trouble codes directly from a tablet, syncing all updates with a central portal.

**Highlights:** View vehicles due for servicing, Write work orders, View and clear DTCs, Tablet interface, Syncs with AAT System Portal

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Key Retrieve free?

Key Retrieve costs $9.99, with no in-app purchases.

### Is AAT Mechanic App free?

AAT Mechanic App is free to download, with no in-app purchases.

### Do Key Retrieve or AAT Mechanic App have ads?

Neither Key Retrieve nor AAT Mechanic App shows ads.

### Which is updated more often, Key Retrieve or AAT Mechanic App?

Key Retrieve ships an update every 12 months, and AAT Mechanic App every 11 months. Most recently, Key Retrieve was updated on October 26, 2026 and AAT Mechanic App on October 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.*