# BD vs Weibel

The clearest difference is update cadence: BD at every 3 weeks against Weibel's every 4 months. Weibel's advantage is iOS requirement (11.0 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.

BD ships an update every 3 weeks, Weibel every 4 months. The most recent releases landed on September 29, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | BD | Weibel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 59 MB | 24 MB |
| Requires iOS | 16.4 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Compagnie de Saint-Gobain](https://appshunter.io/developer/543924473) | [Brdr. Weibel el-teknik ApS](https://appshunter.io/developer/1580541550) |

## What reviewers say

### BD

[App page](https://appshunter.io/ios/app/bd/id890889320)

**Features:** macOS Compatibility

**In-app purchases:** none


### Weibel

[App page](https://appshunter.io/ios/app/weibel/id6446475731)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BD free?

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

### Is Weibel free?

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

### Do BD or Weibel have ads?

Neither BD nor Weibel shows ads.

### Which is updated more often, BD or Weibel?

BD ships an update every 3 weeks, and Weibel every 4 months. Most recently, BD was updated on September 29, 2026 and Weibel on September 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.*