# 珠心算出题 vs Digit Matrix

The clearest difference is in-app purchases: 珠心算出题 at none against Digit Matrix's 6. 珠心算出题 also leads on ads (none vs shown) and update cadence (every 9 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Digit Matrix sells 6 one-off in-app purchases. 珠心算出题 asks for nothing beyond the download.

珠心算出题 ships an update every 9 days, Digit Matrix every 3 weeks. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 珠心算出题 | Digit Matrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (5 ratings)](https://appshunter.io/ios/app/digit-matrix-math-puzzles/id1450134270/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 11 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing You-Yeah Cultural Development Co., Ltd.](https://appshunter.io/developer/1142633858) | [振华 许](https://appshunter.io/developer/1437340417) |

## What reviewers say

### 珠心算出题

[App page](https://appshunter.io/ios/app/id1443983742)

**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 珠心算出题 free?

珠心算出题 is free to download, with no in-app purchases.

### Is Digit Matrix free?

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

### Do 珠心算出题 or Digit Matrix have ads?

Digit Matrix shows ads; 珠心算出题 does not.

### Which is updated more often, 珠心算出题 or Digit Matrix?

珠心算出题 ships an update every 9 days, and Digit Matrix every 3 weeks. Most recently, 珠心算出题 was updated on September 29, 2026 and Digit Matrix 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.*