# OBD Fusion vs Carbyte

The clearest difference is price: Carbyte at Free against OBD Fusion's $9.99. Carbyte also leads on in-app purchases (none vs 25). OBD Fusion's advantage is ratings volume (20K vs 8) and rating (4.7 vs 4.5). On update cadence, ads and device support there is nothing between them.

Carbyte is free to download; OBD Fusion costs $9.99 up front. OBD Fusion sells 20 one-off in-app purchases. Carbyte asks for nothing beyond the download.

OBD Fusion holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: OBD Fusion has 20K ratings behind it against 8, so its average is the more settled of the two.

OBD Fusion ships an update every 2 months, Carbyte every 5 weeks. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | OBD Fusion | Carbyte |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.7 (20K ratings)](https://appshunter.io/ios/app/obd-fusion/id650684932/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/carbyte/id1631217871/reviews) |
| Number of ratings | **20K** | 8 |
| Positive reviews | 59.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#4** | — |
| Size | 59 MB | 24 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [OCTech, LLC](https://appshunter.io/developer/650684935) | [OBD Solutions LLC](https://appshunter.io/developer/879636354) |

## What reviewers say

### OBD Fusion

[App page](https://appshunter.io/ios/app/obd-fusion/id650684932)

**Currently charting:** #4 Top Paid · Travel, #63 Top Grossing · Travel, #68 Top Paid (US App Store)

This app connects to your car's OBD2 port via a compatible adapter to read vehicle data. Monitor fuel economy, clear check engine lights, and create custom dashboards for real-time diagnostics and performance tracking.

**Highlights:** Read and clear OBD2 trouble codes, Customizable real-time dashboards, Estimate fuel economy, Performance calculations (0-60, 1/4 mile), Real-time data logging and graphing, Diagnostic report generation

**Features:** Vision Pro support

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ford 2003 Enhanced Diagnostics | $14.99 | one-time |
| Ford 2004 Enhanced Diagnostics | $14.99 | one-time |
| Ford 2006 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2005 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2020 Enhanced | $14.99 | one-time |
| Toyota 2018 Enhanced | $14.99 | one-time |
| Toyota 2019 Enhanced | $14.99 | one-time |
| Ford 2016 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2013 Enhanced Diagnostics | $14.99 | one-time |
| Ford 2013 Enhanced Diagnostics | $14.99 | one-time |
| Ford 2005 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2006 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2007 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2008 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2010 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2016 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2017 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2021 Enhanced | $14.99 | one-time |
| Toyota 2014 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2015 Enhanced Diagnostics | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Customizable dashboards
- 💡 Helpful for diagnostics and monitoring
- 🔍 Detailed vehicle information
- 📊 Useful performance data

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔒 Limited vehicle support
- 💰 Expensive for some features
- 🔋 High battery consumption
- 🤔 Confusing interface in some areas

**Reported bugs**

- Randomly disconnects from vehicle
- Fails to detect or read codes on some vehicles
- Gauge values not updating properly in some cases
- Dashboards reset without warning

**Requested features**

- Add CarPlay support
- Improve data logging and graphing capabilities
- Expand vehicle compatibility, especially for non-US models
- Allow saving and restoring dashboard configurations
- Provide more detailed diagnostic information


### Carbyte

[App page](https://appshunter.io/ios/app/carbyte/id1631217871)

This app enhances a specific car adapter's functionality, allowing users to enable or disable features like DFM and Auto Start/Stop. It also provides the ability to view and clear generic OBD-II and GM-enhanced trouble codes for easier vehicle diagnostics.

**Highlights:** Enable/disable DFM, Enable/disable Auto Start/Stop, View OBD-II trouble codes, Clear OBD-II trouble codes, View GM-enhanced trouble codes, Clear GM-enhanced trouble codes

**In-app purchases:** none


## Frequently asked questions

### Is OBD Fusion free?

OBD Fusion costs $9.99, and also offers in-app purchases.

### Is Carbyte free?

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

### Which has better reviews, OBD Fusion or Carbyte?

OBD Fusion is rated higher. OBD Fusion averages 4.7 out of 5 from 20K ratings, while Carbyte averages 4.5 from 8 ratings.

### Do OBD Fusion or Carbyte have ads?

Neither OBD Fusion nor Carbyte shows ads.

### Which is updated more often, OBD Fusion or Carbyte?

OBD Fusion ships an update every 2 months, and Carbyte every 5 weeks. Most recently, OBD Fusion was updated on October 22, 2026 and Carbyte on October 14, 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.*