# Design Patterns Illustrated vs Algebra Coach

The clearest difference is in-app purchases: Design Patterns Illustrated at none against Algebra Coach's 2. Design Patterns Illustrated also leads on iOS requirement (16.6 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Algebra Coach sells 2 in-app purchases, starting at $6.99 per month. Design Patterns Illustrated asks for nothing beyond the download.

## The numbers

| Metric | Design Patterns Illustrated | Algebra Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 8 MB | 2 MB |
| Requires iOS | **16.6** | 26.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Apps Foundry Inc.](https://appshunter.io/developer/1772141640) | [JTM](https://appshunter.io/developer/491099581) |

## What reviewers say

### Design Patterns Illustrated

[App page](https://appshunter.io/ios/app/design-patterns-illustrated/id6736484312)

**Features:** macOS Compatibility

**In-app purchases:** none


### Algebra Coach

[App page](https://appshunter.io/ios/app/algebra-coach/id6758680353)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Algebra Coach Pro Monthly | $6.99 | per month |
| Algebra Coach Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Design Patterns Illustrated free?

Design Patterns Illustrated is free to download, with no in-app purchases.

### Is Algebra Coach free?

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

### Do Design Patterns Illustrated or Algebra Coach have ads?

Neither Design Patterns Illustrated nor Algebra Coach 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.*