# Mathrax vs Griplio

The clearest difference is rating: Mathrax at 5.0 against Griplio's 3.7. Griplio's advantage is ads (none vs shown) and update cadence (every 8 days vs every 5 months). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Mathrax sells 1 one-off in-app purchase and Griplio sells 5 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Mathrax holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Mathrax ships an update every 5 months, Griplio every 8 days. The most recent releases landed on September 21, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Mathrax | Griplio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mathrax-sudoku-and-maths/id645221113/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/griplio/id1517948310/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 12 MB | 866 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stanley Lam](https://appshunter.io/developer/453164363) | [上海传影科技有限公司](https://appshunter.io/developer/1195776542) |

## What reviewers say

### Mathrax

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

This logic puzzle challenges you to fill grids with numbers based on specific mathematical and parity rules. It offers a vast amount of content with multiple board sizes, difficulty levels, and over 500 unique levels. Features include automatic error highlighting, progress saving, and time tracking.

**Highlights:** Number placement logic puzzles, Mathematical operation conditions, Parity (even/odd) conditions, Multiple board sizes and difficulty levels, Over 500 unique levels, Automatic wrong number highlighting, Autosave unfinished levels, Best completion time recording

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### Griplio

[App page](https://appshunter.io/ios/app/griplio/id1517948310)

Enhance your cognitive abilities with a variety of engaging mind training programs. Improve concentration, memory, logic, and more through personalized daily workouts and competitive challenges. Transform your daily life with sharper focus and improved productivity.

**Highlights:** Over 20 mind training programs, Personalized daily workouts, Track strong areas and improvement potential, Compete with other players (PK), Stunning graphics and easy usability, Boost concentration, memory, logic, and math skills

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Member Subscription | $1.99 | per month |
| Annual Member Subscription | $17.99 | per year |
| Monthly | $19.99 | per month |
| Yearly | $29.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Mathrax free?

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

### Is Griplio free?

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

### Which has better reviews, Mathrax or Griplio?

Mathrax is rated higher. Mathrax averages 5.0 out of 5 from 2 ratings, while Griplio averages 3.7 from 3 ratings.

### Do Mathrax or Griplio have ads?

Mathrax shows ads; Griplio does not.

### Which is updated more often, Mathrax or Griplio?

Mathrax ships an update every 5 months, and Griplio every 8 days. Most recently, Mathrax was updated on September 21, 2026 and Griplio on October 3, 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.*