# BP + Aral for EETS vs OBD Compass

The clearest difference is update cadence: OBD Compass at monthly against BP + Aral for EETS's every 4 months. OBD Compass also leads on iOS requirement (13.0 vs 15.0). 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.

BP + Aral for EETS ships an update every 4 months, OBD Compass monthly. The most recent releases landed on August 23, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | BP + Aral for EETS | OBD Compass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 19 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trafineo GmbH & Co KG](https://appshunter.io/developer/1187912372) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### BP + Aral for EETS

[App page](https://appshunter.io/ios/app/bp-plus-aral-for-eets-manager/id1446577930)

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

**In-app purchases:** none


### OBD Compass

[App page](https://appshunter.io/ios/app/obd-compass/id6758076036)

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

**In-app purchases:** none


## Frequently asked questions

### Is BP + Aral for EETS free?

BP + Aral for EETS is free to download, with no in-app purchases.

### Is OBD Compass free?

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

### Do BP + Aral for EETS or OBD Compass have ads?

Neither BP + Aral for EETS nor OBD Compass shows ads.

### Which is updated more often, BP + Aral for EETS or OBD Compass?

BP + Aral for EETS ships an update every 4 months, and OBD Compass monthly. Most recently, BP + Aral for EETS was updated on August 23, 2026 and OBD Compass on September 23, 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.*