# BachApp vs Zip Key

The clearest difference is iOS requirement: Zip Key at 12.0 against BachApp's 17.0. 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.

BachApp ships an update every 7 months, Zip Key every 9 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | BachApp | Zip Key |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 9 months |
| Size | 97 MB | 30 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kanton Basel-Stadt](https://appshunter.io/developer/1724132669) | [StreamNow](https://appshunter.io/developer/1038247999) |

## What reviewers say

### BachApp

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

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

**In-app purchases:** none


### Zip Key

[App page](https://appshunter.io/ios/app/zip-key/id1605551482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BachApp free?

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

### Is Zip Key free?

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

### Do BachApp or Zip Key have ads?

Neither BachApp nor Zip Key shows ads.

### Which is updated more often, BachApp or Zip Key?

BachApp ships an update every 7 months, and Zip Key every 9 months. Most recently, BachApp was updated on October 8, 2026 and Zip Key on October 3, 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.*