# TouchUp RX vs OpenOBD

The clearest difference is rating: TouchUp RX at 5.0 against OpenOBD's 4.0. TouchUp RX also leads on iOS requirement (9.1 vs 16.4). OpenOBD's advantage is update cadence (every 2 days vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TouchUp RX holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

TouchUp RX ships an update every 2 months, OpenOBD every 2 days. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TouchUp RX | OpenOBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/touchup-rx/id1500907353/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/openobd-live-car-data/id6780283561/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 25 MB | 36 MB |
| Requires iOS | **9.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TouchUp Rx Canada Inc.](https://appshunter.io/developer/1500907352) | [Osman Cengeri](https://appshunter.io/developer/1807592099) |

## What reviewers say

### TouchUp RX

[App page](https://appshunter.io/ios/app/touchup-rx/id1500907353)

Instantly match exterior car paint colors using a connected scanner and a proprietary color library. Ideal for DIY car repairs and touch-ups.

**Highlights:** Instant paint color matching, Proprietary color library, Works with TouchUp RX color scanner, Exterior car paint application, DIY repair tool

**Features:** macOS Compatibility

**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 TouchUp RX free?

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

### Is OpenOBD free?

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

### Which has better reviews, TouchUp RX or OpenOBD?

TouchUp RX is rated higher. TouchUp RX averages 5.0 out of 5 from 2 ratings, while OpenOBD averages 4.0 from 1 ratings.

### Do TouchUp RX or OpenOBD have ads?

Neither TouchUp RX nor OpenOBD shows ads.

### Which is updated more often, TouchUp RX or OpenOBD?

TouchUp RX ships an update every 2 months, and OpenOBD every 2 days. Most recently, TouchUp RX was updated on October 2, 2026 and OpenOBD on October 13, 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.*