# Stupid Pupil vs Digit Matrix

The clearest difference is rating: Stupid Pupil at 5.0 against Digit Matrix's 3.6. Stupid Pupil also leads on in-app purchases (none vs 6) and ads (none vs shown). Digit Matrix's advantage is update cadence (every 3 weeks vs every 6 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. Digit Matrix sells 6 one-off in-app purchases. Stupid Pupil asks for nothing beyond the download.

Stupid Pupil holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

Stupid Pupil ships an update every 6 months, Digit Matrix every 3 weeks. The most recent releases landed on June 6, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Stupid Pupil | Digit Matrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stupid-pupil/id954158605/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/digit-matrix-math-puzzles/id1450134270/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 171 MB | 11 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uyo game](https://appshunter.io/developer/873521902) | [振华 许](https://appshunter.io/developer/1437340417) |

## What reviewers say

### Stupid Pupil

[App page](https://appshunter.io/ios/app/stupid-pupil/id954158605)

This educational game challenges elementary students with math problems. It offers two modes: an endless progression of questions and a timed race to achieve the highest score. It's designed to test and improve quick math skills without the use of calculators.

**Highlights:** Endless math challenge mode, 60-second timed race mode, Bonus points for consecutive correct answers, Timed bonus for correct answers, No calculators allowed

**Features:** macOS Compatibility

**In-app purchases:** none


### Digit Matrix

[App page](https://appshunter.io/ios/app/digit-matrix-math-puzzles/id1450134270)

Engage in a variety of mathematical puzzles designed to enhance calculation skills and logical reasoning. Explore numerous challenges from simple to complex, cultivating a stronger mathematical mindset.

**Highlights:** Calculation and logical reasoning training, Fifteen types of puzzles, Infinite exercises, Multiple difficulty levels, Five visual themes, Covers arithmetic, sums, products, and more

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cross Computing | $0.99 | one-time |
| Matches | $0.99 | one-time |
| Addition | $0.99 | one-time |
| Blank Cell | $0.99 | one-time |
| Digit Twins, Divisor&Multiple | $0.99 | one-time |
| All Contents | $3.99 | one-time |


## Frequently asked questions

### Is Stupid Pupil free?

Stupid Pupil is free to download, with no in-app purchases.

### Is Digit Matrix free?

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

### Which has better reviews, Stupid Pupil or Digit Matrix?

Stupid Pupil is rated higher. Stupid Pupil averages 5.0 out of 5 from 2 ratings, while Digit Matrix averages 3.6 from 5 ratings.

### Do Stupid Pupil or Digit Matrix have ads?

Digit Matrix shows ads; Stupid Pupil does not.

### Which is updated more often, Stupid Pupil or Digit Matrix?

Stupid Pupil ships an update every 6 months, and Digit Matrix every 3 weeks. Most recently, Stupid Pupil was updated on June 6, 2026 and Digit Matrix on September 16, 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.*