# EasyDiag4 vs Mucar

The clearest difference is review sentiment: Mucar at 50% against EasyDiag4's 0%. Mucar also leads on rating (4.6 vs 2.9) and update cadence (every 2 months vs every 18 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Mucar holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: Mucar has 277 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 0% of EasyDiag4's written reviews are positive against 50% of Mucar's.

EasyDiag4 ships an update every 18 months, Mucar every 2 months. The most recent releases landed on September 20, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | EasyDiag4 | Mucar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (19 ratings)](https://appshunter.io/ios/app/easydiag4/id1505477232/reviews) | **[4.6 (277 ratings)](https://appshunter.io/ios/app/mucar/id1573345684/reviews)** |
| Number of ratings | 19 | **277** |
| Positive reviews | 0.0% of reviews | **49.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 114 MB | 500 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Launch Tech Co., Ltd](https://appshunter.io/developer/447568418) | [THINKCAR INC](https://appshunter.io/developer/1464847379) |

## What reviewers say

### EasyDiag4

[App page](https://appshunter.io/ios/app/easydiag4/id1505477232)

This application connects to your vehicle via Bluetooth to perform comprehensive fault diagnosis across various systems. It supports reading and clearing diagnostic trouble codes, viewing data streams, and resetting service lamps, catering to the needs of the vehicle maintenance market.

**Highlights:** Bluetooth vehicle data interaction, One-click intelligent diagnosis, Full system fault diagnosis, Read DTCs, Read Data Streams, Clear DTCs, Reset Service Lamp

**Features:** macOS Compatibility

**In-app purchases:** none


### Mucar

[App page](https://appshunter.io/ios/app/mucar/id1573345684)

Access professional-level automotive diagnostic functions, including reading and clearing fault codes, viewing live data, and performing special tests. Supports a wide range of vehicle manufacturers and offers a community forum for users to share insights and get support.

**Highlights:** OE-level professional functions, Full OBD II diagnosis, Maintenance light reset, Support for 39+ manufacturers, Automatic VIN reading, Professional diagnostic reports, In-app user community

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and read codes
- 👍 Good product for DIY diagnostics
- 👍 Reads all blocks and codes
- 👍 Works well for the price
- 👍 Good diagnostic tool

**What reviewers complain about**

- 👎 Subscription model is expensive
- 👎 Limited functionality on iPhone compared to Android
- 👎 Some features are missing or removed after updates
- 👎 Inconsistent support for car brands
- 👎 Poor translation and localization

**Reported bugs**

- TCM fault cannot be cleared
- App crashes during report generation
- Functions removed after updates (Hyundai, Kia, special functions)
- App crashes or freezes
- Connection errors

**Requested features**

- Add Turkish language support
- Add Perodua and Proton car support
- Improve Russian translation and fix abbreviations
- Add VAZ support for iOS
- Add Haval support for iOS


## Frequently asked questions

### Is EasyDiag4 free?

EasyDiag4 is free to download, with no in-app purchases.

### Is Mucar free?

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

### Which has better reviews, EasyDiag4 or Mucar?

Mucar is rated higher. EasyDiag4 averages 2.9 out of 5 from 19 ratings, while Mucar averages 4.6 from 277 ratings.

### Do EasyDiag4 or Mucar have ads?

Neither EasyDiag4 nor Mucar shows ads.

### Which is updated more often, EasyDiag4 or Mucar?

EasyDiag4 ships an update every 18 months, and Mucar every 2 months. Most recently, EasyDiag4 was updated on September 20, 2026 and Mucar on September 25, 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.*