# klang² vs Pro Inline Skating CE

The clearest difference is price: klang² at Free against Pro Inline Skating CE's $2.99. klang² also leads on update cadence (every 2 months vs every 10 months). Pro Inline Skating CE's advantage is in-app purchases (none vs 10) and iOS requirement (12.0 vs 15.6). On ads and device support there is nothing between them.

klang² is free to download; Pro Inline Skating CE costs $2.99 up front. klang² sells 10 one-off in-app purchases. Pro Inline Skating CE asks for nothing beyond the download.

klang² ships an update every 2 months, Pro Inline Skating CE every 10 months. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | klang² | Pro Inline Skating CE |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[3.6 (5 ratings)](https://appshunter.io/ios/app/pro-inline-skating-ce/id1571962476/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | — | Paid |
| Size | 89 MB | 212 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oberlin & Rennertz GmbH](https://appshunter.io/developer/1474108830) | [BRIAND PASCAL](https://appshunter.io/developer/1571962478) |

## 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 |


### Pro Inline Skating CE

[App page](https://appshunter.io/ios/app/pro-inline-skating-ce/id1571962476)

Experience realistic inline skating races against professional athletes. Manage your energy, master drafting, and choose your racing specialty to become a champion. Unlock new circuits and gear as you progress through challenging modes.

**Highlights:** Race against pro skaters, Energy management and drafting, Multiple difficulty modes, Unlockable circuits and skins, Championship mode, Offline play

**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 Pro Inline Skating CE free?

Pro Inline Skating CE costs $2.99, with no in-app purchases.

### Do klang² or Pro Inline Skating CE have ads?

Neither klang² nor Pro Inline Skating CE shows ads.

### Which is updated more often, klang² or Pro Inline Skating CE?

klang² ships an update every 2 months, and Pro Inline Skating CE every 10 months. Most recently, klang² was updated on October 2, 2026 and Pro Inline Skating CE 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.*