# STEMReader vs Math Solver Scanner

The clearest difference is device support: STEMReader at 3 against Math Solver Scanner's 1. Math Solver Scanner's advantage is iOS requirement (17.0 vs 26.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. STEMReader sells 4 in-app purchases, starting at $1.99 per month and Math Solver Scanner sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | STEMReader | Math Solver Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 12 MB | 17 MB |
| Requires iOS | 26.4 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SAMUEL QUINTEIRO PEREZ](https://appshunter.io/developer/1793573517) | [LIE KUN JI](https://appshunter.io/developer/1531900074) |

## What reviewers say

### STEMReader

[App page](https://appshunter.io/ios/app/stemreader/id6778995923)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $1.99 | per month |
| Plus Annual | $7.99 | per year |
| This Document | $0.99 | one-time |
| Three Documents | $1.99 | one-time |


### Math Solver Scanner

[App page](https://appshunter.io/ios/app/math-solver-scanner-twinsolve/id6809714613)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TwinSolve Pro (Weekly) | $6.99 | per 7 days |
| TwinSolve Pro (Yearly) | $39.99 | per year |
| TwinSolve Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is STEMReader free?

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

### Is Math Solver Scanner free?

Math Solver Scanner is free to download, with in-app purchases available.

### Do STEMReader or Math Solver Scanner have ads?

Neither STEMReader nor Math Solver Scanner shows ads.

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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.*