# PegelBS vs BachApp

The clearest difference is update cadence: BachApp at every 7 months against PegelBS's every 15 months. PegelBS's advantage is iOS requirement (12.4 vs 17.0). 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.

PegelBS ships an update every 15 months, BachApp every 7 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PegelBS | BachApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 7 months** |
| Size | 6 MB | 97 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tiefbauamt Basel-Stadt](https://appshunter.io/developer/1354137789) | [Kanton Basel-Stadt](https://appshunter.io/developer/1724132669) |

## What reviewers say

### PegelBS

[App page](https://appshunter.io/ios/app/pegelbs/id1494104706)

**Features:** macOS Compatibility

**In-app purchases:** none


### BachApp

[App page](https://appshunter.io/ios/app/bachapp/id1573212151)

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

**In-app purchases:** none


## Frequently asked questions

### Is PegelBS free?

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

### Is BachApp free?

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

### Do PegelBS or BachApp have ads?

Neither PegelBS nor BachApp shows ads.

### Which is updated more often, PegelBS or BachApp?

PegelBS ships an update every 15 months, and BachApp every 7 months. Most recently, PegelBS was updated on October 13, 2026 and BachApp on October 8, 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.*