# Planar Knots vs Reflex Drop

The clearest difference is in-app purchases: Reflex Drop at none against Planar Knots's 8. Reflex Drop also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on June 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Planar Knots | Reflex Drop |
| --- | --- | --- |
| 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 | Yes |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 171 MB | 163 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Orange Peak Studios](https://appshunter.io/developer/1865981968) | [Amit Kandial](https://appshunter.io/developer/1858479815) |

## 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 |


### Reflex Drop

[App page](https://appshunter.io/ios/app/reflex-drop/id6758880543)

**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 Reflex Drop free?

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

### Do Planar Knots or Reflex Drop have ads?

Both Planar Knots and Reflex Drop show ads.

### Which is updated more often, Planar Knots or Reflex Drop?

Planar Knots ships an update every 3 days, and Reflex Drop every 3 days. Most recently, Planar Knots was updated on June 8, 2026 and Reflex Drop on September 15, 2026.

---

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