# the Math solver vs Sample for Science

The clearest difference is in-app purchases: Sample for Science at none against the Math solver's 3. Sample for Science also leads on iOS requirement (12.0 vs 16.0). the Math solver's advantage is update cadence (every 3 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. the Math solver sells 3 in-app purchases, starting at $9.99 per 7 days. Sample for Science asks for nothing beyond the download.

the Math solver ships an update every 3 days, Sample for Science every 6 weeks. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | the Math solver | Sample for Science |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Size | 20 MB | 58 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Coloring puzzle games sp. z o.o.](https://appshunter.io/developer/861314887) | [Universidade Federal Fluminense - UFF](https://appshunter.io/developer/739312311) |

## What reviewers say

### the Math solver

[App page](https://appshunter.io/ios/app/the-math-solver/id6447467925)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI scanner week subscription | $9.99 | per 7 days |
| AI scanner monthly | $17.99 | per month |
| AI scanner yearly subscription | $69.99 | per year |


### Sample for Science

[App page](https://appshunter.io/ios/app/sample-for-science/id6470819452)

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

**In-app purchases:** none


## Frequently asked questions

### Is the Math solver free?

the Math solver is free to download, with in-app purchases available.

### Is Sample for Science free?

Sample for Science is free to download, with no in-app purchases.

### Do the Math solver or Sample for Science have ads?

Neither the Math solver nor Sample for Science shows ads.

### Which is updated more often, the Math solver or Sample for Science?

the Math solver ships an update every 3 days, and Sample for Science every 6 weeks. Most recently, the Math solver was updated on October 21, 2026 and Sample for Science on October 19, 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.*