# Engine Link vs ezOBD

The clearest difference is price: ezOBD at Free against Engine Link's $5.99. ezOBD also leads on review sentiment (75% vs 38%) and rating (3.3 vs 2.9). Engine Link's advantage is ratings volume (62 vs 6). On ads, in-app purchases, monetization model and device support there is nothing between them.

ezOBD is free to download; Engine Link costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ezOBD holds the better App Store score, 3.3 against 2.9. That said, the two scores are not equally well evidenced: Engine Link has 62 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 38% of Engine Link's written reviews are positive against 75% of ezOBD's.

Engine Link ships an update every 2 months, ezOBD monthly. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Engine Link | ezOBD |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [2.9 (62 ratings)](https://appshunter.io/ios/app/engine-link-obd-ii-diagnosis/id591557194/reviews) | **[3.3 (6 ratings)](https://appshunter.io/ios/app/ezobd/id1059612653/reviews)** |
| Number of ratings | **62** | 6 |
| Positive reviews | 38.2% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 10 MB | 4 MB |
| Requires iOS | 12.0 | **8.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [K SOLUTION LLC](https://appshunter.io/developer/289670447) | [UP & RUNNING](https://appshunter.io/developer/1059612652) |

## What reviewers say

### Engine Link

[App page](https://appshunter.io/ios/app/engine-link-obd-ii-diagnosis/id591557194)

Transform your iPhone into a powerful vehicle diagnostics tool. Monitor real-time performance, read and clear fault codes, and customize your dashboard with detailed sensor data. Supports emission testing and offers a HUD mode for night driving.

**Highlights:** Real-time vehicle monitoring, Read and clear OBD fault codes, Customizable gauges and dashboards, MPG widget and fuel efficiency plotting, Heads up display (HUD) mode, Horsepower, torque, and acceleration metrics, Custom PID support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Works as expected
- 👍 Flexible and customizable
- 💡 Supports custom PIDs
- 🚀 Reliable connection
- 👍 Good customer support

**What reviewers complain about**

- 🐛 Doesn't work with all OBD dongles
- 🐛 Compatibility issues with newer iOS versions
- 👎 Outdated and clunky interface
- 👎 Limited functionality for EVs
- 🐛 Connectivity problems

**Reported bugs**

- App crashes on connection
- Fails to read/clear error codes
- Inaccurate sensor readings
- Compatibility issues with certain OBD dongles

**Requested features**

- Add support for more vehicle types
- Improve user interface and customization options
- Add more PID support, especially for EVs
- Implement language localization
- Improve data logging and export capabilities


### ezOBD

[App page](https://appshunter.io/ios/app/ezobd/id1059612653)

Access detailed information about your car's health and performance. Monitor real-time engine parameters, fuel consumption, and diagnostic trouble codes. Features a customizable dashboard and graphing capabilities, with VIN decoding and emission test readiness checks.

**Highlights:** Real-time dashboard display, Customizable gauges, Real-time graphing, Read and clear DTC codes, Monitor fuel consumption, VIN decoder, Emission test readiness

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Engine Link free?

Engine Link costs $5.99, with no in-app purchases.

### Is ezOBD free?

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

### Which has better reviews, Engine Link or ezOBD?

ezOBD is rated higher. Engine Link averages 2.9 out of 5 from 62 ratings, while ezOBD averages 3.3 from 6 ratings.

### Do Engine Link or ezOBD have ads?

Neither Engine Link nor ezOBD shows ads.

### Which is updated more often, Engine Link or ezOBD?

Engine Link ships an update every 2 months, and ezOBD monthly. Most recently, Engine Link was updated on November 6, 2026 and ezOBD on November 2, 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.*