# ANCEL vs ThinkDiag+

The clearest difference is review sentiment: ThinkDiag+ at 74% against ANCEL's 24%. ThinkDiag+ also leads on rating (4.5 vs 2.6) and ratings volume (4.3K vs 43). ANCEL's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

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

ThinkDiag+ holds the better App Store score, 4.5 against 2.6. That said, the two scores are not equally well evidenced: ThinkDiag+ has 4.3K ratings behind it against 43, so its average is the more settled of the two. Written reviews point the same way: 24% of ANCEL's written reviews are positive against 74% of ThinkDiag+'s.

ANCEL ships an update every 2 months, ThinkDiag+ every 3 weeks. The most recent releases landed on August 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ANCEL | ThinkDiag+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (43 ratings)](https://appshunter.io/ios/app/ancel/id1434956145/reviews) | **[4.5 (4.3K ratings)](https://appshunter.io/ios/app/thinkdiag-plus/id1483420979/reviews)** |
| Number of ratings | 43 | **4.3K** |
| Positive reviews | 23.5% of reviews | **73.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 402 MB | 539 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [OBDSPACE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1434956144) | [THINKCAR INC](https://appshunter.io/developer/1464847379) |

## What reviewers say

### ANCEL

[App page](https://appshunter.io/ios/app/ancel/id1434956145)

This app connects to your car via an OBD2 Bluetooth scanner to diagnose faults, read data like fault codes and sensor readings, and clear error lights. It also offers battery health checks, a customizable dashboard, and driving assistance features. Some models support special functions like maintenance resets.

**Highlights:** OBD2 Bluetooth scanner connectivity, Fault code reading and clearing, Frozen frame and sensor data display, Battery health and voltage detection, Customizable dashboard, Driving assistance functions, Special functions (maintenance reset, etc.)

**Features:** macOS Compatibility

**In-app purchases:** none


### ThinkDiag+

[App page](https://appshunter.io/ios/app/thinkdiag-plus/id1483420979)

This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.

**Highlights:** OE-level diagnostic functions, Full OBD II diagnosis, Special maintenance functions, Supports 100+ vehicle brands, Automatic VIN reading, Professional diagnostic reports, In-app user community

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🚀 Powerful diagnostic capabilities
- 🚀 Affordable price
- 🚀 Helpful customer support
- 🚀 Versatile for DIY and professionals

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🐛 Compatibility issues with certain vehicles
- 🔒 Concerns about annual subscription fees
- 🔒 Limited functionality on iOS devices

**Reported bugs**

- Failure to recognize VIN or vehicle information
- Inability to clear certain error codes
- Inconsistent performance across different devices

**Requested features**

- Improved user interface and navigation
- More detailed troubleshooting guides
- Expanded vehicle coverage and special functions
- Offline mode for diagnostics


## Frequently asked questions

### Is ANCEL free?

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

### Is ThinkDiag+ free?

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

### Which has better reviews, ANCEL or ThinkDiag+?

ThinkDiag+ is rated higher. ANCEL averages 2.6 out of 5 from 43 ratings, while ThinkDiag+ averages 4.5 from 4.3K ratings.

### Do ANCEL or ThinkDiag+ have ads?

Neither ANCEL nor ThinkDiag+ shows ads.

### Which is updated more often, ANCEL or ThinkDiag+?

ANCEL ships an update every 2 months, and ThinkDiag+ every 3 weeks. Most recently, ANCEL was updated on August 1, 2026 and ThinkDiag+ on September 22, 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.*