# API 571 Helpmate vs Corrodere Academy

The clearest difference is in-app purchases: Corrodere Academy at none against API 571 Helpmate's 1. Corrodere Academy also leads on iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. API 571 Helpmate sells 1 in-app purchase, starting at $29.00 per year. Corrodere Academy asks for nothing beyond the download.

## The numbers

| Metric | API 571 Helpmate | Corrodere Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Size | 34 MB | 29 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Austenite Pty Ltd](https://appshunter.io/developer/1525502686) | [Corrodere limited](https://appshunter.io/developer/1581980770) |

## What reviewers say

### API 571 Helpmate

[App page](https://appshunter.io/ios/app/api-571-helpmate/id6746396841)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12 Months Plan | $29.00 | per year |


### Corrodere Academy

[App page](https://appshunter.io/ios/app/corrodere-academy/id6755813441)

**In-app purchases:** none


## Frequently asked questions

### Is API 571 Helpmate free?

API 571 Helpmate is free to download, with in-app purchases available.

### Is Corrodere Academy free?

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

### Do API 571 Helpmate or Corrodere Academy have ads?

Neither API 571 Helpmate nor Corrodere Academy 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.*