# IRSignalTester vs MO35

The clearest difference is in-app purchases: MO35 at none against IRSignalTester's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. IRSignalTester sells 1 one-off in-app purchase. MO35 asks for nothing beyond the download.

IRSignalTester ships an update every 2 months, MO35 every 6 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | IRSignalTester | MO35 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/irsignaltester/id6757210442/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 4 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LimeLime Labs LLC](https://appshunter.io/developer/1002915290) | [Pablo Holguin](https://appshunter.io/developer/1866360898) |

## 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 |


### MO35

[App page](https://appshunter.io/ios/app/mo35/id6757360494)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IRSignalTester free?

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

### Is MO35 free?

MO35 is free to download, with no in-app purchases.

### Do IRSignalTester or MO35 have ads?

Neither IRSignalTester nor MO35 shows ads.

### Which is updated more often, IRSignalTester or MO35?

IRSignalTester ships an update every 2 months, and MO35 every 6 weeks. Most recently, IRSignalTester was updated on October 24, 2026 and MO35 on October 28, 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.*