# Sortdoku vs Knots Out

The clearest difference is review sentiment: Sortdoku at 60% against Knots Out's 11%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sortdoku sells 10 one-off in-app purchases and Knots Out sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Sortdoku | Knots Out |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (18 ratings)](https://appshunter.io/ios/app/sortdoku/id6739331634/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | **60.0% of reviews** | 11.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 254 MB | 166 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +12 | 17+ |
| Developer | [Virtual Projects](https://appshunter.io/developer/1654921012) | [Virtual Projects Oyun Yazilim Ve Teknoloji](https://appshunter.io/developer/1327820445) |

## What reviewers say

### Sortdoku

[App page](https://appshunter.io/ios/app/sortdoku/id6739331634)

This puzzle game challenges your mind by requiring you to strategically place numbered tiles to sort rows and columns. Solving puzzles reveals beautiful hidden images, offering brain-boosting fun and endless levels.

**Highlights:** Place tiles to sort numbers, Reveal hidden images, Challenging logic puzzles, Brain-boosting gameplay, Endless levels, Visually stunning levels

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $4.99 | one-time |
| Starter Pack | $6.99 | one-time |
| Pouch of Coins | $7.99 | one-time |
| Special Pack | $9.99 | one-time |
| Bag of Coins | $14.99 | one-time |
| Super Pack | $19.99 | one-time |
| Chest of Coins | $29.99 | one-time |
| Mega Pack | $39.99 | one-time |
| Crate of Coins | $54.99 | one-time |
| Treasure Trove | $99.99 | one-time |


### Knots Out

[App page](https://appshunter.io/ios/app/knots-out/id6739944318)

Engage your mind with this rope puzzle game. Strategize your moves to unravel complex knots and tangles, using boosters to overcome challenges. It's a fun way to keep your brain sharp.

**Highlights:** Rope puzzle gameplay, Complex knot untangling, Strategic move planning, Powerful boosters, Mind sharpening challenges

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $4.99 | one-time |

**What reviewers like**

- 👍 Fun game
- 🚀 Enjoyable until issues arose

**What reviewers complain about**

- 🐛 Repeating puzzles
- 🐛 Inability to progress due to missing/incorrect items
- 🐛 Loss of progress after crashes
- 🐛 Bugs and glitches

**Reported bugs**

- Levels repeating
- Incorrect items given at end of levels
- Game crashing and losing progress
- Levels becoming unplayable

**Requested features**

- Fix level progression issues
- Improve stability and reliability


## Frequently asked questions

### Is Sortdoku free?

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

### Is Knots Out free?

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

### Do Sortdoku or Knots Out have ads?

Both Sortdoku and Knots Out show ads.

### Which is updated more often, Sortdoku or Knots Out?

Sortdoku ships an update every 5 days, and Knots Out every 5 days. Most recently, Sortdoku was updated on October 24, 2026 and Knots Out on October 21, 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.*