# RevDash vs OpenOBD

The clearest difference is price: OpenOBD at Free against RevDash's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

OpenOBD is free to download; RevDash costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RevDash ships an update every 3 days, OpenOBD every 2 days. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | RevDash | OpenOBD |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/openobd-live-car-data/id6780283561/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 14 MB | 36 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Figueroa](https://appshunter.io/developer/1759474900) | [Osman Cengeri](https://appshunter.io/developer/1807592099) |

## What reviewers say

### RevDash

[App page](https://appshunter.io/ios/app/revdash/id6764164749)

**In-app purchases:** none


### OpenOBD

[App page](https://appshunter.io/ios/app/openobd-live-car-data/id6780283561)

Transform your iPhone into a real-time car dashboard. Connect an OBD2 adapter to monitor live engine data, track your trips with GPS, and diagnose fault codes with clear explanations. Explore all features in demo mode without hardware.

**Highlights:** Live engine data monitoring, Real-time speed, RPM, temperature gauges, Trip logging with GPS mapping, Read and clear diagnostic trouble codes (DTCs), Vehicle information display, Demo mode for exploration

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

**In-app purchases:** none


## Frequently asked questions

### Is RevDash free?

RevDash costs $1.99, with no in-app purchases.

### Is OpenOBD free?

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

### Do RevDash or OpenOBD have ads?

Neither RevDash nor OpenOBD shows ads.

### Which is updated more often, RevDash or OpenOBD?

RevDash ships an update every 3 days, and OpenOBD every 2 days. Most recently, RevDash was updated on October 5, 2026 and OpenOBD on September 28, 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.*