# PYROSOFT FDS Client vs RDS

The clearest difference is iOS requirement: PYROSOFT FDS Client at 10.0 against RDS's 13.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for PYROSOFT FDS Client against 5.0 for RDS. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

PYROSOFT FDS Client ships an update every 6 months, RDS every 3 months. The most recent releases landed on June 20, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | PYROSOFT FDS Client | RDS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pyrosoft-fds-client/id1449237226/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/rds-32/id1623034787/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 77 MB | 49 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DIAS Infrared GmbH](https://appshunter.io/developer/1449237225) | [Mirion Technologies, Inc.](https://appshunter.io/developer/561534087) |

## What reviewers say

### PYROSOFT FDS Client

[App page](https://appshunter.io/ios/app/pyrosoft-fds-client/id1449237226)

Access and control PYROVIEW FDS fire detection systems remotely. Receive real-time image data, status updates, and command transmission. Get instant notifications for errors or alarms via push messages or email.

**Highlights:** Remote system access, Image data and status information, Command transmission for remote control, Push message and email notifications, Network connection to PYROSOFT FDS server

**Features:** macOS Compatibility

**In-app purchases:** none


### RDS

[App page](https://appshunter.io/ios/app/rds-32/id1623034787)

This utility app connects to a radiation survey meter, displaying real-time data and allowing parameter adjustments. It also integrates with supervision services for enhanced monitoring.

**Highlights:** Connect to RDS-32 survey meter, Display real-time device data, Edit setpoints and parameters, Connect to RadResponder, Connect to Spirview Mobile

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PYROSOFT FDS Client free?

PYROSOFT FDS Client is free to download, with no in-app purchases.

### Is RDS free?

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

### Which has better reviews, PYROSOFT FDS Client or RDS?

PYROSOFT FDS Client and RDS are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do PYROSOFT FDS Client or RDS have ads?

Neither PYROSOFT FDS Client nor RDS shows ads.

### Which is updated more often, PYROSOFT FDS Client or RDS?

PYROSOFT FDS Client ships an update every 6 months, and RDS every 3 months. Most recently, PYROSOFT FDS Client was updated on June 20, 2026 and RDS on June 5, 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.*