# TopScan for Bimmers vs OneWayBIT

The clearest difference is in-app purchases: TopScan for Bimmers at none against OneWayBIT's 8. TopScan for Bimmers also leads on iOS requirement (11.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OneWayBIT sells 8 in-app purchases, starting at $6.99 per month. TopScan for Bimmers asks for nothing beyond the download.

TopScan for Bimmers ships an update every 2 months, OneWayBIT monthly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | TopScan for Bimmers | OneWayBIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/topscan-for-bimmers/id6744716209/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 676 MB | 34 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) | [One Way Bit LLC.](https://appshunter.io/developer/1821728895) |

## What reviewers say

### TopScan for Bimmers

[App page](https://appshunter.io/ios/app/topscan-for-bimmers/id6744716209)

Transform your phone into a powerful car diagnostic tool. Connect via Bluetooth to perform full system scans, access live data, and execute special maintenance functions. Generate detailed reports and identify issues with bi-directional controls.

**Highlights:** Full-system diagnosis, Bi-directional controls, AutoVIN vehicle identification, Special maintenance functions, Wireless Bluetooth 5.0 connection, Diagnostic report generation

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

**In-app purchases:** none


### OneWayBIT

[App page](https://appshunter.io/ios/app/onewaybit/id6747520300)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Read Only Access | $6.99 | per month |
| Read Only Premium | $17.99 | per month |
| Fleet Access | $29.99 | per month |
| OWB Basic Access Plan | $69.99 | per month |
| Fleet Premium | $69.99 | per month |
| 100 Referral Discount | $99.99 | per month |
| Fleet Premium Plus | $129.99 | per month |
| Service Center 50 Referral Discount | $199.99 | per month |


## Frequently asked questions

### Is TopScan for Bimmers free?

TopScan for Bimmers is free to download, with no in-app purchases.

### Is OneWayBIT free?

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

### Do TopScan for Bimmers or OneWayBIT have ads?

Neither TopScan for Bimmers nor OneWayBIT shows ads.

### Which is updated more often, TopScan for Bimmers or OneWayBIT?

TopScan for Bimmers ships an update every 2 months, and OneWayBIT monthly. Most recently, TopScan for Bimmers was updated on October 16, 2026 and OneWayBIT on October 17, 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.*