# klang² vs Sortobot

The clearest difference is in-app purchases: Sortobot at none against klang²'s 10. Sortobot also leads on update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. klang² sells 10 one-off in-app purchases. Sortobot asks for nothing beyond the download.

klang² ships an update every 2 months, Sortobot every 5 days. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | klang² | Sortobot |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 89 MB | 27 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oberlin & Rennertz GmbH](https://appshunter.io/developer/1474108830) | [Goatee Avengers](https://appshunter.io/developer/1372842623) |

## What reviewers say

### klang²

[App page](https://appshunter.io/ios/app/klang/id1491987376)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klang2 Pro Option 0 | Free | one-time |
| Klang2 Pro Option 1 | $0.99 | one-time |
| Bundesländer und Hauptstädte | $0.99 | one-time |
| Klang2 Pro Option 2 | $1.99 | one-time |
| Klang2 Pro Option 3 | $3.99 | one-time |
| Volkslieder Premium | $3.99 | one-time |
| Tierisch Menschlich | $3.99 | one-time |
| Klang2 Pro Option 4 | $7.99 | one-time |
| Klang2 Pro Option 5 | $11.99 | one-time |
| Klang2 Pro Option 6 | $16.99 | one-time |


### Sortobot

[App page](https://appshunter.io/ios/app/sortobot/id6807820099)

A factory simulation game where players sort packages by color and shape into designated bins. Navigate increasingly complex challenges across six factory halls, with a daily challenge and optional cosmetic purchases.

**Highlights:** Package sorting by color and shape, 155 levels across six factory halls, Daily generated challenges, Offline play, Customizable themes and skins, Optional in-app purchases

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

**In-app purchases:** none


## Frequently asked questions

### Is klang² free?

klang² is free to download, with in-app purchases available.

### Is Sortobot free?

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

### Do klang² or Sortobot have ads?

Neither klang² nor Sortobot shows ads.

### Which is updated more often, klang² or Sortobot?

klang² ships an update every 2 months, and Sortobot every 5 days. Most recently, klang² was updated on October 2, 2026 and Sortobot 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.*