# TechApp by Shop vs MaxiAP Diag

The clearest difference is review sentiment: TechApp by Shop at 50% against MaxiAP Diag's 0%. TechApp by Shop also leads on rating (3.8 vs 2.9) and in-app purchases (none vs 28). MaxiAP Diag's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. MaxiAP Diag sells 28 one-off in-app purchases. TechApp by Shop asks for nothing beyond the download.

TechApp by Shop holds the better App Store score, 3.8 against 2.9. Both are backed by a comparable volume of ratings — 13 and 10 respectively. Written reviews point the same way: 50% of TechApp by Shop's written reviews are positive against 0% of MaxiAP Diag's.

TechApp by Shop ships an update every 5 weeks, MaxiAP Diag every 5 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | TechApp by Shop | MaxiAP Diag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (13 ratings)](https://appshunter.io/ios/app/techapp-by-shop-ware/id1660292825/reviews)** | [2.9 (10 ratings)](https://appshunter.io/ios/app/maxiap-diag/id6463833580/reviews) |
| Number of ratings | **13** | 10 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 43 MB | 104 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shop-Ware](https://appshunter.io/developer/1660292827) | [Autel Intelligent Technology Co., Ltd.](https://appshunter.io/developer/770747094) |

## What reviewers say

### TechApp by Shop

[App page](https://appshunter.io/ios/app/techapp-by-shop-ware/id1660292825)

This mobile tool empowers automotive technicians to manage repair jobs directly at the vehicle. It streamlines workflows with real-time progress tracking, detailed findings capture, and customer communication features.

**Highlights:** Real-time job progress tracking, Detailed findings capture with images/videos, Picture markup for issue illustration, Customer-facing digital vehicle experience, Service approval workflow, Seamless Shop-Ware integration

**Features:** macOS Compatibility

**In-app purchases:** none


### MaxiAP Diag

[App page](https://appshunter.io/ios/app/maxiap-diag/id6463833580)

This management app helps DIY vehicle owners with repairs, maintenance, and customization. It offers diagnostic insights, common dashboard light explanations, and service functions for various car models. Monitor your vehicle's health and access repair shop information.

**Highlights:** Enhanced system diagnostics, OBDII test (read/erase codes, live data), Auto VIN vehicle identification, Vehicle health monitoring, DIY service functions (oil reset, TPMS), EV/Hybrid battery testing, Common dashboard light guide

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

**In-app purchases (28)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mazda for one year | $21.99 | one-time |
| Mini for one year | $21.99 | one-time |
| INFINITI for one year | $21.99 | one-time |
| Lamborghini for one year | $21.99 | one-time |
| Mitsubishi for one year | $21.99 | one-time |
| Cadillac for one year | $21.99 | one-time |
| Chrysler for one year | $21.99 | one-time |
| Scion for one year | $21.99 | one-time |
| Subaru for one year | $21.99 | one-time |
| GMC for one year | $21.99 | one-time |
| Buick for one year | $21.99 | one-time |
| Audi for one year | $21.99 | one-time |
| Acura for one year | $21.99 | one-time |
| Lexus for one year | $21.99 | one-time |
| Volkswagen for one year | $21.99 | one-time |
| Nissan for one year | $21.99 | one-time |
| Ford for one year | $21.99 | one-time |
| Honda for one year | $21.99 | one-time |
| BMW for one year | $21.99 | one-time |
| Chevrolet for one year | $21.99 | one-time |
| Dodge for one year | $21.99 | one-time |
| Hyundai for one year | $21.99 | one-time |
| Jeep for one year | $21.99 | one-time |
| Kia for one year | $21.99 | one-time |
| Mercedes-Benz for one year | $21.99 | one-time |
| Ram for one year | $21.99 | one-time |
| Toyota for one year | $21.99 | one-time |
| Volvo for one year | $21.99 | one-time |


## Frequently asked questions

### Is TechApp by Shop free?

TechApp by Shop is free to download, with no in-app purchases.

### Is MaxiAP Diag free?

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

### Which has better reviews, TechApp by Shop or MaxiAP Diag?

TechApp by Shop is rated higher. TechApp by Shop averages 3.8 out of 5 from 13 ratings, while MaxiAP Diag averages 2.9 from 10 ratings.

### Do TechApp by Shop or MaxiAP Diag have ads?

Neither TechApp by Shop nor MaxiAP Diag shows ads.

### Which is updated more often, TechApp by Shop or MaxiAP Diag?

TechApp by Shop ships an update every 5 weeks, and MaxiAP Diag every 5 months. Most recently, TechApp by Shop was updated on October 24, 2026 and MaxiAP Diag on October 20, 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.*