# Engine Link vs MyVoltControl

The clearest difference is price: MyVoltControl at Free against Engine Link's $5.99. MyVoltControl also leads on rating (4.1 vs 2.9) and review sentiment (50% vs 38%). Engine Link's advantage is in-app purchases (none vs 5) and ratings volume (62 vs 18). On update cadence, ads and device support there is nothing between them.

MyVoltControl is free to download; Engine Link costs $5.99 up front. MyVoltControl sells 5 one-off in-app purchases. Engine Link asks for nothing beyond the download.

MyVoltControl holds the better App Store score, 4.1 against 2.9. Both are backed by a comparable volume of ratings — 62 and 18 respectively. Written reviews point the same way: 38% of Engine Link's written reviews are positive against 50% of MyVoltControl's.

Engine Link ships an update every 2 months, MyVoltControl every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Engine Link | MyVoltControl |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [2.9 (62 ratings)](https://appshunter.io/ios/app/engine-link-obd-ii-diagnosis/id591557194/reviews) | **[4.1 (18 ratings)](https://appshunter.io/ios/app/myvoltcontrol/id1488646304/reviews)** |
| Number of ratings | **62** | 18 |
| Positive reviews | 38.2% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 20 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [K SOLUTION LLC](https://appshunter.io/developer/289670447) | [Craftin De Apps LLC](https://appshunter.io/developer/1488646303) |

## 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


### MyVoltControl

[App page](https://appshunter.io/ios/app/myvoltcontrol/id1488646304)

Enhance your Chevrolet Volt or Bolt experience with advanced control features. This app allows you to manage vehicle modes, monitor performance, and access diagnostic information, requiring an OBD adapter for full functionality.

**Highlights:** Vehicle information pages, Simulated Hold mode for ICE management, Engine run and off control, Reset lifetime fuel economy, EV and ICE travel distance calculation, Diagnostic trouble code access

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Volt Hold Function | $0.99 | one-time |
| Volt Lifetime Function | $1.99 | one-time |
| Volt Diag Function | $1.99 | one-time |
| Volt 12v Function. | $1.99 | one-time |
| Volt Afterblow Function | $2.99 | one-time |


## Frequently asked questions

### Is Engine Link free?

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

### Is MyVoltControl free?

MyVoltControl is free to download, with in-app purchases available.

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

MyVoltControl is rated higher. Engine Link averages 2.9 out of 5 from 62 ratings, while MyVoltControl averages 4.1 from 18 ratings.

### Do Engine Link or MyVoltControl have ads?

Neither Engine Link nor MyVoltControl shows ads.

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

Engine Link ships an update every 2 months, and MyVoltControl every 5 weeks. Most recently, Engine Link was updated on October 24, 2026 and MyVoltControl on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*