# TriggerSVD vs ISC NIRScan

The clearest difference is update cadence: ISC NIRScan at every 2 months against TriggerSVD's every 11 months. ISC NIRScan also leads on iOS requirement (12.0 vs 17.6). 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.

TriggerSVD ships an update every 11 months, ISC NIRScan every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | TriggerSVD | ISC NIRScan |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 3 MB | 38 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ed Leonhardt](https://appshunter.io/developer/386636996) | [He Yi Hsieh](https://appshunter.io/developer/1081259026) |

## What reviewers say

### TriggerSVD

[App page](https://appshunter.io/ios/app/triggersvd/id506119886)

Control your Director deployment remotely from your iOS device. Manage script states, power, and ad-hoc commands for your venue. Supports Apple Watch and Siri integration for enhanced convenience.

**Highlights:** Control script states, Manage ad-hoc states, Start/stop scripts, Control TV power, Works over VPN, Apple Watch support, Siri integration

**In-app purchases:** none


### ISC NIRScan

[App page](https://appshunter.io/ios/app/isc-nirscan/id1414155482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TriggerSVD free?

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

### Is ISC NIRScan free?

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

### Do TriggerSVD or ISC NIRScan have ads?

Neither TriggerSVD nor ISC NIRScan shows ads.

### Which is updated more often, TriggerSVD or ISC NIRScan?

TriggerSVD ships an update every 11 months, and ISC NIRScan every 2 months. Most recently, TriggerSVD was updated on November 1, 2026 and ISC NIRScan on November 2, 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.*