# Engine Link vs Motion Log Plus

The clearest difference is rating: Engine Link at 2.9 against Motion Log Plus's 1.0. Engine Link also leads on update cadence (every 2 months vs every 22 months) and ratings volume (62 vs 1). Motion Log Plus's advantage is price ($2.99 vs $5.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Engine Link costs $5.99 and Motion Log Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Engine Link holds the better App Store score, 2.9 against 1.0. That said, the two scores are not equally well evidenced: Engine Link has 62 ratings behind it against 1, so its average is the more settled of the two.

Engine Link ships an update every 2 months, Motion Log Plus every 22 months. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Engine Link | Motion Log Plus |
| --- | --- | --- |
| Price | $5.99 | **$2.99** |
| Rating | **[2.9 (62 ratings)](https://appshunter.io/ios/app/engine-link-obd-ii-diagnosis/id591557194/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/motion-log-plus/id1487352498/reviews) |
| Number of ratings | **62** | 1 |
| Positive reviews | 38.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 22 months |
| Monetization | **Free** | Paid |
| Size | 10 MB | 2 MB |
| Requires iOS | **12.0** | 13.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [K SOLUTION LLC](https://appshunter.io/developer/289670447) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## 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


### Motion Log Plus

[App page](https://appshunter.io/ios/app/motion-log-plus/id1487352498)

This tool captures and visualizes motion data from your iOS device, including orientation, attitude, and acceleration. You can preview recordings in 3D and export log files for further analysis.

**Highlights:** Capture device orientation, attitude, and acceleration, Preview motion data in 3D, Rename and delete log files, Export motion log files, Turn off screen while recording

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

**In-app purchases:** none


## Frequently asked questions

### Is Engine Link free?

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

### Is Motion Log Plus free?

Motion Log Plus costs $2.99, with no in-app purchases.

### Which has better reviews, Engine Link or Motion Log Plus?

Engine Link is rated higher. Engine Link averages 2.9 out of 5 from 62 ratings, while Motion Log Plus averages 1.0 from 1 ratings.

### Do Engine Link or Motion Log Plus have ads?

Neither Engine Link nor Motion Log Plus shows ads.

### Which is updated more often, Engine Link or Motion Log Plus?

Engine Link ships an update every 2 months, and Motion Log Plus every 22 months. Most recently, Engine Link was updated on October 26, 2026 and Motion Log Plus on October 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.*