# RMS PSAA vs Impera Control

The clearest difference is iOS requirement: RMS PSAA at 13.0 against Impera Control's 17.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RMS PSAA ships an update every 2 months, Impera Control every 4 months. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | RMS PSAA | Impera Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 12 MB | 23 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [NAVCON ADVANCED SYSTEMS LLC](https://appshunter.io/developer/1308787067) | [BIAMP SYSTEMS, LLC](https://appshunter.io/developer/453557124) |

## What reviewers say

### RMS PSAA

[App page](https://appshunter.io/ios/app/rms-psaa/id1541129524)

**Features:** macOS Compatibility

**In-app purchases:** none


### Impera Control

[App page](https://appshunter.io/ios/app/impera-control/id6478411720)

**In-app purchases:** none


## Frequently asked questions

### Is RMS PSAA free?

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

### Is Impera Control free?

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

### Do RMS PSAA or Impera Control have ads?

Neither RMS PSAA nor Impera Control shows ads.

### Which is updated more often, RMS PSAA or Impera Control?

RMS PSAA ships an update every 2 months, and Impera Control every 4 months. Most recently, RMS PSAA was updated on September 18, 2026 and Impera Control on September 17, 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.*