# SUP vs OpenOBD

The clearest difference is update cadence: OpenOBD at every 2 days against SUP's every 5 weeks. SUP's advantage is iOS requirement (13.0 vs 16.4). On price, ads, 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.

SUP ships an update every 5 weeks, OpenOBD every 2 days. The most recent releases landed on September 21, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SUP | OpenOBD |
| --- | --- | --- |
| Price | Free | 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 5 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 55 MB | 36 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PROSERVIS](https://appshunter.io/developer/1755640211) | [Osman Cengeri](https://appshunter.io/developer/1807592099) |

## What reviewers say

### SUP

[App page](https://appshunter.io/ios/app/sup/id6736382973)

**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 SUP free?

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

### Is OpenOBD free?

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

### Do SUP or OpenOBD have ads?

Neither SUP nor OpenOBD shows ads.

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

SUP ships an update every 5 weeks, and OpenOBD every 2 days. Most recently, SUP was updated on September 21, 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.*