# IRSignalTester vs Syscope

The clearest difference is update cadence: Syscope at every 5 days against IRSignalTester's every 2 months. Syscope also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. IRSignalTester sells 1 one-off in-app purchase and Syscope sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

IRSignalTester ships an update every 2 months, Syscope every 5 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | IRSignalTester | Syscope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/irsignaltester/id6757210442/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 6 MB | 6 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LimeLime Labs LLC](https://appshunter.io/developer/1002915290) | [CHUNG-HO LEE](https://appshunter.io/developer/502429481) |

## What reviewers say

### IRSignalTester

[App page](https://appshunter.io/ios/app/irsignaltester/id6757210442)

This utility uses your phone's camera to visualize and measure infrared signals from remotes and LEDs. It helps you test remote functionality, compare signal strengths, and detect IR light sources in real-time. The app works offline and prioritizes user privacy.

**Highlights:** Real-time IR detection, Signal strength meter, Remote control testing, Guided signal health results, Offline functionality, Privacy-focused design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Syscope

[App page](https://appshunter.io/ios/app/syscope/id6814094630)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Syscope Pro | $2.99 | one-time |


## Frequently asked questions

### Is IRSignalTester free?

IRSignalTester is free to download, with in-app purchases available.

### Is Syscope free?

Syscope is free to download, with in-app purchases available.

### Do IRSignalTester or Syscope have ads?

Neither IRSignalTester nor Syscope shows ads.

### Which is updated more often, IRSignalTester or Syscope?

IRSignalTester ships an update every 2 months, and Syscope every 5 days. Most recently, IRSignalTester was updated on October 13, 2026 and Syscope on October 14, 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.*