# OBD2 Gauges vs OpenOBD

The clearest difference is in-app purchases: OpenOBD at none against OBD2 Gauges's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OBD2 Gauges sells 2 in-app purchases, starting at $3.99 per month. OpenOBD asks for nothing beyond the download.

OBD2 Gauges ships an update every 3 days, OpenOBD every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | OBD2 Gauges | OpenOBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/openobd-obd2-car-scanner/id6780283561/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | — | Free |
| Size | 52 MB | 54 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Edward Williams](https://appshunter.io/developer/1639798187) | [Osman Cengeri](https://appshunter.io/developer/1807592099) |

## What reviewers say

### OBD2 Gauges

[App page](https://appshunter.io/ios/app/obd2-gauges/id6759607610)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (Monthly) | $3.99 | per month |
| Remove Ads (Lifetime) | $24.99 | one-time |


### OpenOBD

[App page](https://appshunter.io/ios/app/openobd-obd2-car-scanner/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, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is OBD2 Gauges free?

OBD2 Gauges is free to download, with in-app purchases available.

### Is OpenOBD free?

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

### Do OBD2 Gauges or OpenOBD have ads?

Neither OBD2 Gauges nor OpenOBD shows ads.

### Which is updated more often, OBD2 Gauges or OpenOBD?

OBD2 Gauges ships an update every 3 days, and OpenOBD every 5 days. Most recently, OBD2 Gauges was updated on October 31, 2026 and OpenOBD on October 31, 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.*