# BookBridge vs MathMind

The clearest difference is in-app purchases: BookBridge at none against MathMind's 5. BookBridge also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.6). On price and device support there is nothing between them.

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

## The numbers

| Metric | BookBridge | MathMind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 70 MB | 9 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joshi Mochi Limited](https://appshunter.io/developer/1767205379) | [Lojas Software Corp](https://appshunter.io/developer/1799458054) |

## What reviewers say

### BookBridge

[App page](https://appshunter.io/ios/app/bookbridge/id6670717617)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is BookBridge free?

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

### Is MathMind free?

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

### Do BookBridge or MathMind have ads?

MathMind shows ads; BookBridge does not.

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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.*