# Auto Diag vs ThinkDriver

The clearest difference is review sentiment: ThinkDriver at 58% against Auto Diag's 14%. ThinkDriver also leads on rating (4.5 vs 1.8) and ratings volume (282 vs 36). 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.

ThinkDriver holds the better App Store score, 4.5 against 1.8. That said, the two scores are not equally well evidenced: ThinkDriver has 282 ratings behind it against 36, so its average is the more settled of the two. Written reviews point the same way: 14% of Auto Diag's written reviews are positive against 58% of ThinkDriver's.

Auto Diag ships an update every 6 weeks, ThinkDriver monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Auto Diag | ThinkDriver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (36 ratings)](https://appshunter.io/ios/app/auto-diag-pro-diagnosis/id1002243564/reviews) | **[4.5 (282 ratings)](https://appshunter.io/ios/app/thinkdriver/id1502233364/reviews)** |
| Number of ratings | 36 | **282** |
| Positive reviews | 14.0% of reviews | **57.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Paid | Paid |
| Size | 273 MB | 325 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Launch Tech Co., Ltd](https://appshunter.io/developer/447568418) | [THINKCAR INC](https://appshunter.io/developer/1464847379) |

## What reviewers say

### Auto Diag

[App page](https://appshunter.io/ios/app/auto-diag-pro-diagnosis/id1002243564)

This vehicle diagnostic tool software connects to your car via a special connector and Bluetooth to perform fault diagnosis. It allows you to read and clear diagnostic trouble codes and view data streams, with advanced functions available depending on the product configuration.

**Highlights:** Vehicle fault diagnosis, Read and clear DTCs, Read data stream, Bluetooth communication, Actuation test, Special functions

**Features:** macOS Compatibility

**In-app purchases:** none


### ThinkDriver

[App page](https://appshunter.io/ios/app/thinkdriver/id1502233364)

This diagnostic tool allows car owners to perform full system vehicle checks, going beyond standard OBDII functionality. It provides immediate insights into potential car issues, acting as a comprehensive helper for vehicle maintenance.

**Highlights:** Full system vehicle diagnostics, Advanced OBDII alternative, Immediate issue detection, DIY car maintenance helper

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Works like professionals
- 👍 Handy tool for car
- 👍 Versatile and helpful
- 👍 Great tools for car
- 👍 Easy to use

**What reviewers complain about**

- 😞 Pay again for lifetime access
- 😞 Terrible support, no response
- 😞 Useless device, keeps shutting down
- 😞 Scanner does not work
- 😞 Customer service unhelpful

**Reported bugs**

- Keeps shutting down during scan
- Scanner does not work
- Not working with 2022 subscription update
- Device won't work after getting a new phone
- Keeps asking to activate device, then pay again

**Requested features**

- Add payment with Apple Cash
- Install just a code scanner icon


## Frequently asked questions

### Is Auto Diag free?

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

### Is ThinkDriver free?

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

### Which has better reviews, Auto Diag or ThinkDriver?

ThinkDriver is rated higher. Auto Diag averages 1.8 out of 5 from 36 ratings, while ThinkDriver averages 4.5 from 282 ratings.

### Do Auto Diag or ThinkDriver have ads?

Neither Auto Diag nor ThinkDriver shows ads.

### Which is updated more often, Auto Diag or ThinkDriver?

Auto Diag ships an update every 6 weeks, and ThinkDriver monthly. Most recently, Auto Diag was updated on October 24, 2026 and ThinkDriver on October 24, 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.*