# TRSS Reaction vs NCS Toolbox

The clearest difference is iOS requirement: TRSS Reaction at 13.0 against NCS Toolbox's 15.0. 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.

TRSS Reaction ships an update every 2 months, NCS Toolbox every 6 weeks. The most recent releases landed on June 25, 2026 and August 3, 2026 respectively.

## The numbers

| Metric | TRSS Reaction | NCS Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 50 MB | 55 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oryx Systems CC](https://appshunter.io/developer/966072104) | [NIST CONTROL SYSTEM PTY LTD](https://appshunter.io/developer/1332706982) |

## What reviewers say

### TRSS Reaction

[App page](https://appshunter.io/ios/app/trss-reaction/id1253495250)

This app acts as a panic button, instantly alerting a control room to dispatch emergency services like fire, armed response, or ambulance. It also serves as a comprehensive security management platform for testing alarms, managing access, and providing holiday instructions.

**Highlights:** Instant emergency dispatch, Panic button functionality, Security management platform, Alarm testing and management, User access control, Holiday instruction feature

**In-app purchases:** none


### NCS Toolbox

[App page](https://appshunter.io/ios/app/ncs-toolbox/id6449975315)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TRSS Reaction free?

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

### Is NCS Toolbox free?

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

### Do TRSS Reaction or NCS Toolbox have ads?

Neither TRSS Reaction nor NCS Toolbox shows ads.

### Which is updated more often, TRSS Reaction or NCS Toolbox?

TRSS Reaction ships an update every 2 months, and NCS Toolbox every 6 weeks. Most recently, TRSS Reaction was updated on June 25, 2026 and NCS Toolbox on August 3, 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.*