# API 571 Helpmate vs AICC CASPIAN

The clearest difference is in-app purchases: AICC CASPIAN at none against API 571 Helpmate's 1. AICC CASPIAN also leads on update cadence (every 4 days vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

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

API 571 Helpmate ships an update every 8 months, AICC CASPIAN every 4 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | API 571 Helpmate | AICC CASPIAN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Size | 34 MB | 61 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Austenite Pty Ltd](https://appshunter.io/developer/1525502686) | [Romin Mathew](https://appshunter.io/developer/1784674992) |

## 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 |


### AICC CASPIAN

[App page](https://appshunter.io/ios/app/aicc-caspian/id6753160338)

**Features:** macOS Compatibility

**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 AICC CASPIAN free?

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

### Do API 571 Helpmate or AICC CASPIAN have ads?

Neither API 571 Helpmate nor AICC CASPIAN shows ads.

### Which is updated more often, API 571 Helpmate or AICC CASPIAN?

API 571 Helpmate ships an update every 8 months, and AICC CASPIAN every 4 days. Most recently, API 571 Helpmate was updated on October 15, 2026 and AICC CASPIAN on October 9, 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.*