# Agent Review App vs OpenOBD

The clearest difference is ads: OpenOBD at none against Agent Review App's shown. OpenOBD also leads on update cadence (every 5 days vs every 2 weeks). Agent Review App's advantage is iOS requirement (12.0 vs 16.4). On price, in-app purchases and device support there is nothing between them.

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

Agent Review App ships an update every 2 weeks, OpenOBD every 5 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Agent Review App | OpenOBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/openobd-live-car-data/id6780283561/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 59 MB | 49 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Revscale Technologies, Inc.](https://appshunter.io/developer/1700292410) | [Osman Cengeri](https://appshunter.io/developer/1807592099) |

## What reviewers say

### Agent Review App

[App page](https://appshunter.io/ios/app/agent-review-app/id6476895375)

**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 Agent Review App free?

Agent Review App is free to download, with no in-app purchases.

### Is OpenOBD free?

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

### Do Agent Review App or OpenOBD have ads?

Agent Review App shows ads; OpenOBD does not.

### Which is updated more often, Agent Review App or OpenOBD?

Agent Review App ships an update every 2 weeks, and OpenOBD every 5 days. Most recently, Agent Review App was updated on October 9, 2026 and OpenOBD on October 24, 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.*