# Mathrax vs Thoughtful Solitaire

The clearest difference is in-app purchases: Thoughtful Solitaire at none against Mathrax's 1. Thoughtful Solitaire also leads on update cadence (every 4 days vs every 6 months) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Mathrax sells 1 one-off in-app purchase. Thoughtful Solitaire asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Mathrax against 5.0 for Thoughtful Solitaire. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Mathrax ships an update every 6 months, Thoughtful Solitaire every 4 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mathrax | Thoughtful Solitaire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mathrax-sudoku-and-maths/id645221113/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/thoughtful-solitaire/id6759175249/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 12 MB | 33 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stanley Lam](https://appshunter.io/developer/453164363) | [Sebastien Becker](https://appshunter.io/developer/1466769856) |

## What reviewers say

### Mathrax

[App page](https://appshunter.io/ios/app/mathrax-sudoku-and-maths/id645221113)

This logic puzzle game challenges you to fill grids with numbers based on specific mathematical and parity rules. It offers a variety of board sizes, difficulty levels, and hundreds of puzzles with features like automatic error highlighting and time tracking.

**Highlights:** Number placement logic puzzles, Mathematical operation constraints, Parity (even/odd) rules, Multiple board sizes and difficulty levels, Hundreds of unique levels, Automatic error highlighting, Autosave functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Full Version | $0.99 | one-time |


### Thoughtful Solitaire

[App page](https://appshunter.io/ios/app/thoughtful-solitaire/id6759175249)

This card game transforms the classic Klondike Solitaire experience by revealing all cards face-up from the start. It offers a pure strategy puzzle with familiar rules, an undo function, and offline play.

**Highlights:** All cards face-up for perfect information, Standard Klondike rules, Undo function for strategy refinement, Offline play capability, Clean touch controls, Smooth animations

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

**In-app purchases:** none


## Frequently asked questions

### Is Mathrax free?

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

### Is Thoughtful Solitaire free?

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

### Which has better reviews, Mathrax or Thoughtful Solitaire?

Mathrax and Thoughtful Solitaire are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Mathrax or Thoughtful Solitaire have ads?

Both Mathrax and Thoughtful Solitaire show ads.

### Which is updated more often, Mathrax or Thoughtful Solitaire?

Mathrax ships an update every 6 months, and Thoughtful Solitaire every 4 days. Most recently, Mathrax was updated on November 1, 2026 and Thoughtful Solitaire 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.*