# Planar Knots vs MDonkey

The clearest difference is in-app purchases: MDonkey at none against Planar Knots's 8. MDonkey also leads on ads (none vs shown) and update cadence (daily vs every 3 days). Planar Knots's advantage is iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Planar Knots sells 8 one-off in-app purchases. MDonkey asks for nothing beyond the download.

Planar Knots ships an update every 3 days, MDonkey daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Planar Knots | MDonkey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/planar-knots/id6757313769/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 171 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Orange Peak Studios](https://appshunter.io/developer/1865981968) | [PENG LI](https://appshunter.io/developer/1870893769) |

## What reviewers say

### Planar Knots

[App page](https://appshunter.io/ios/app/planar-knots/id6757313769)

Untangle complex line diagrams by strategically moving nodes to eliminate intersections. Earn stars by solving puzzles efficiently and maintain your daily challenge streak. Customize your experience with unlockable themes and track your progress.

**Highlights:** Untangle puzzles by moving nodes, Optimize solutions for more stars, Daily Challenge with streak tracking, Points system for unlocks, Stats and progress tracking, Share progress with friends, Customizable themes

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Neon Night Theme | $0.99 | one-time |
| Unlock Groovy Theme | $0.99 | one-time |
| Unlock Pixelated Theme | $0.99 | one-time |
| Unlock Candyland Theme | $0.99 | one-time |
| Unlock Workshop Theme | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Unlock All Themes | $2.99 | one-time |
| Remove Ads / Unlock Themes Bundle | $4.99 | one-time |


### MDonkey

[App page](https://appshunter.io/ios/app/mdonkey/id6758104824)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Planar Knots free?

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

### Is MDonkey free?

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

### Do Planar Knots or MDonkey have ads?

Planar Knots shows ads; MDonkey does not.

### Which is updated more often, Planar Knots or MDonkey?

Planar Knots ships an update every 3 days, and MDonkey daily. Most recently, Planar Knots was updated on November 5, 2026 and MDonkey on October 31, 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.*