# Number Sort Puzzles vs OpenChess

The clearest difference is ads: OpenChess at none against Number Sort Puzzles's shown. OpenChess also leads on iOS requirement (12.0 vs 14.0). Number Sort Puzzles's advantage is update cadence (every 3 days vs fortnightly). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Number Sort Puzzles against 5.0 for OpenChess. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Number Sort Puzzles ships an update every 3 days, OpenChess fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Number Sort Puzzles | OpenChess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/number-sort-puzzles-sortie/id6478055926/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 34 MB | 57 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Can Citoglu](https://appshunter.io/developer/1649041299) | [David Bryant](https://appshunter.io/developer/1559648957) |

## What reviewers say

### Number Sort Puzzles

[App page](https://appshunter.io/ios/app/number-sort-puzzles-sortie/id6478055926)

Engage your logic and attention with a number sequence puzzle game. Rearrange scattered numbers into increasing order on uniquely shaped grids, using intuitive color-coded feedback to guide you. Offers progressive difficulty levels for endless brain-sharpening fun.

**Highlights:** Numbrix-like number sequence puzzles, Unique shaped grids, Intuitive color-coded feedback system, Progressive difficulty levels, Brain training and cognitive skill enhancement, Drag and drop number rearrangement

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $7.99 | one-time |


### OpenChess

[App page](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904)

Master chess openings by playing against a specialized AI. Explore specific defenses or move sequences, and gain insights into positional advantages and piece values. Improve your game from the very first moves.

**Highlights:** Learn specific chess openings, Play against AI focused on opening lines, Analyze positional advantages, Evaluate piece values and mobility, Understand pawn structure, Track defended and attacked pieces

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tarrasch Defense Opening | $0.99 | one-time |
| Trompowsky Attack Opening | $0.99 | one-time |
| Scandinavian Defense Opening | $0.99 | one-time |
| Three Knights Opening | $0.99 | one-time |
| Zukertort Opening | $0.99 | one-time |
| Van't Kruijs Opening | $0.99 | one-time |
| Vienna Game Opening | $0.99 | one-time |
| Ware Opening | $0.99 | one-time |
| Opening Explorer | $4.99 | one-time |
| OpenChess Premium | $19.99 | one-time |


## Frequently asked questions

### Is Number Sort Puzzles free?

Number Sort Puzzles is free to download, with in-app purchases available.

### Is OpenChess free?

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

### Which has better reviews, Number Sort Puzzles or OpenChess?

Number Sort Puzzles and OpenChess are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Number Sort Puzzles or OpenChess have ads?

Number Sort Puzzles shows ads; OpenChess does not.

### Which is updated more often, Number Sort Puzzles or OpenChess?

Number Sort Puzzles ships an update every 3 days, and OpenChess fortnightly. Most recently, Number Sort Puzzles was updated on November 4, 2026 and OpenChess on October 30, 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.*