# B vs RAC

The clearest difference is iOS requirement: RAC at 11.0 against B's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

B ships an update every 3 months, RAC every 2 months. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | B | RAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/b-app/id1180977627/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 14 MB | 20 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BAUER KOMPRESSOREN GmbH](https://appshunter.io/developer/1180977626) | [BKW Rent A Car Pte Ltd](https://appshunter.io/developer/1490560988) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-app/id1180977627)

Access compressor data remotely, utilize calculation tools for air delivery and filter life, and find global dealers. Stay updated with the latest news and watch informative videos about compressed air systems.

**Highlights:** Remote access to compressor status via B-CLOUD, Calculation tools for filter life, filling time, and air delivery, Worldwide dealer and service partner search, Latest news and updates on compressed air and compressors, Informative video clips on products and services

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

**In-app purchases:** none


### RAC

[App page](https://appshunter.io/ios/app/rac/id1490560989)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is B free?

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

### Is RAC free?

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

### Do B or RAC have ads?

Neither B nor RAC shows ads.

### Which is updated more often, B or RAC?

B ships an update every 3 months, and RAC every 2 months. Most recently, B was updated on October 1, 2026 and RAC on October 2, 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.*