# Turn It On! vs Planar Knots

The clearest difference is price: Planar Knots at Free against Turn It On!'s $1.99. Planar Knots also leads on update cadence (every 3 days vs every 2 months). Turn It On!'s advantage is in-app purchases (none vs 8) and ads (none vs shown). On rating, review sentiment, ratings volume and device support there is nothing between them.

Planar Knots is free to download; Turn It On! costs $1.99 up front. Planar Knots sells 8 one-off in-app purchases. Turn It On! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Turn It On! against 5.0 for Planar Knots. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Turn It On! ships an update every 2 months, Planar Knots every 3 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Turn It On! | Planar Knots |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/turn-it-on/id1467732408/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/planar-knots/id6757313769/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 92 MB | 171 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Balazs Oszvald](https://appshunter.io/developer/1467732407) | [Orange Peak Studios](https://appshunter.io/developer/1865981968) |

## What reviewers say

### Turn It On!

[App page](https://appshunter.io/ios/app/turn-it-on/id1467732408)

A puzzle game where players must decipher the mechanics of various black boxes. Use interactive elements like buttons and switches to understand machine behavior and time actions wisely. Compete for badges with quick solutions.

**Highlights:** Guess black box mechanics, Use buttons, switches, wheels, knobs, Recognize machine behavior, Time actions wisely, Compete for extra badges, Sharpen your mind

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Turn It On! free?

Turn It On! costs $1.99, with no in-app purchases.

### Is Planar Knots free?

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

### Which has better reviews, Turn It On! or Planar Knots?

Turn It On! and Planar Knots are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.

### Do Turn It On! or Planar Knots have ads?

Planar Knots shows ads; Turn It On! does not.

### Which is updated more often, Turn It On! or Planar Knots?

Turn It On! ships an update every 2 months, and Planar Knots every 3 days. Most recently, Turn It On! was updated on November 3, 2026 and Planar Knots on November 5, 2026.

---

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