# RDS Connected Command vs NuklidCalc

The clearest difference is update cadence: RDS Connected Command at monthly against NuklidCalc's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

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

RDS Connected Command ships an update monthly, NuklidCalc every 12 months. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RDS Connected Command | NuklidCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Size | 140 MB | 15 MB |
| Requires iOS | 14 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rosenbauer International AG](https://appshunter.io/developer/1157857839) | [Bundesamt für Gesundheit BAG](https://appshunter.io/developer/557143322) |

## What reviewers say

### RDS Connected Command

[App page](https://appshunter.io/ios/app/rds-connected-command/id6443983024)

**Features:** macOS Compatibility

**In-app purchases:** none


### NuklidCalc

[App page](https://appshunter.io/ios/app/nuklidcalc/id6463144495)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RDS Connected Command free?

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

### Is NuklidCalc free?

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

### Do RDS Connected Command or NuklidCalc have ads?

Neither RDS Connected Command nor NuklidCalc shows ads.

### Which is updated more often, RDS Connected Command or NuklidCalc?

RDS Connected Command ships an update monthly, and NuklidCalc every 12 months. Most recently, RDS Connected Command was updated on September 20, 2026 and NuklidCalc on September 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.*