# MathMind vs Expression Builder

The clearest difference is in-app purchases: Expression Builder at none against MathMind's 5. Expression Builder also leads on iOS requirement (15.0 vs 17.6). MathMind's advantage is update cadence (every 3 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. MathMind sells 5 one-off in-app purchases. Expression Builder asks for nothing beyond the download.

MathMind ships an update every 3 days, Expression Builder every 4 weeks. The most recent releases landed on November 8, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | MathMind | Expression Builder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Size | 9 MB | 114 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lojas Software Corp](https://appshunter.io/developer/1799458054) | [Nezihe Sozen](https://appshunter.io/developer/1825918288) |

## What reviewers say

### MathMind

[App page](https://appshunter.io/ios/app/mathmind-test-your-skills/id6746140680)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Homework Helper | $0.99 | one-time |
| The Calculator | $0.99 | one-time |
| The Study Guide | $1.99 | one-time |
| The Supercomputer | $1.99 | one-time |
| The Professor’s Notes | $3.99 | one-time |


### Expression Builder

[App page](https://appshunter.io/ios/app/expression-builder-first-3000/id6775914345)

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

**In-app purchases:** none


## Frequently asked questions

### Is MathMind free?

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

### Is Expression Builder free?

Expression Builder is free to download, with no in-app purchases.

### Do MathMind or Expression Builder have ads?

Both MathMind and Expression Builder show ads.

### Which is updated more often, MathMind or Expression Builder?

MathMind ships an update every 3 days, and Expression Builder every 4 weeks. Most recently, MathMind was updated on November 8, 2026 and Expression Builder on November 13, 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.*