# Knotty Birds vs DerSprinter

The clearest difference is in-app purchases: DerSprinter at none against Knotty Birds's 3. DerSprinter also leads on update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Knotty Birds sells 3 one-off in-app purchases. DerSprinter asks for nothing beyond the download.

Knotty Birds ships an update every 3 weeks, DerSprinter weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Knotty Birds | DerSprinter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knotty-birds-puzzle-game/id6474137488/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 108 MB | 140 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Priyanka Panjwani](https://appshunter.io/developer/1720747920) | [Durim Camaj](https://appshunter.io/developer/1661307556) |

## What reviewers say

### Knotty Birds

[App page](https://appshunter.io/ios/app/knotty-birds-puzzle-game/id6474137488)

Untangle birds by strategically moving them without crossing lines. Dodge bees, catch butterflies, and use boosters to solve increasingly complex puzzles in a visually stunning and audibly soothing environment. This game emphasizes teamwork and cognitive skill development.

**Highlights:** Untangle birds without crossing lines, Tap and drag mechanics, Dodge bees and catch butterflies, Strategic puzzle challenges, Boosters and power-ups, Regular updates

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Points | $0.99 | one-time |
| No ads | $3.99 | one-time |
| No Ads | $3.99 | one-time |


### DerSprinter

[App page](https://appshunter.io/ios/app/dersprinter/id6737460374)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knotty Birds free?

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

### Is DerSprinter free?

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

### Do Knotty Birds or DerSprinter have ads?

Both Knotty Birds and DerSprinter show ads.

### Which is updated more often, Knotty Birds or DerSprinter?

Knotty Birds ships an update every 3 weeks, and DerSprinter weekly. Most recently, Knotty Birds was updated on October 24, 2026 and DerSprinter on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*