# OBD Fusion vs WalkDD

The clearest difference is in-app purchases: WalkDD at none against OBD Fusion's 10. WalkDD also leads on price ($3.99 vs $9.99). OBD Fusion's advantage is update cadence (every 2 months vs every 5 months) and chart position (#4 vs unranked). On ads and device support there is nothing between them.

OBD Fusion costs $9.99 and WalkDD $3.99 up front. OBD Fusion sells 10 one-off in-app purchases. WalkDD asks for nothing beyond the download.

OBD Fusion ships an update every 2 months, WalkDD every 5 months. The most recent releases landed on November 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OBD Fusion | WalkDD |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | **[4.7 (20K ratings)](https://appshunter.io/ios/app/obd-fusion/id650684932/reviews)** | — |
| Number of ratings | **20K** | — |
| Positive reviews | 59.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#4** | — |
| Size | 59 MB | 45 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [OCTech, LLC](https://appshunter.io/developer/650684935) | [Michel Loehr](https://appshunter.io/developer/631740906) |

## What reviewers say

### OBD Fusion

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

**Currently charting:** #4 Top Paid · Travel, #55 Top Grossing · Travel, #92 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ford 2006 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2005 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 2016 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2017 Enhanced Diagnostics | $14.99 | one-time |
| Toyota 2021 Enhanced | $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


### WalkDD

[App page](https://appshunter.io/ios/app/walkdd/id6761303789)

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

**In-app purchases:** none


## Frequently asked questions

### Is OBD Fusion free?

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

### Is WalkDD free?

WalkDD costs $3.99, with no in-app purchases.

### Do OBD Fusion or WalkDD have ads?

Neither OBD Fusion nor WalkDD shows ads.

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

OBD Fusion ships an update every 2 months, and WalkDD every 5 months. Most recently, OBD Fusion was updated on November 4, 2026 and WalkDD on October 8, 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.*