# Frequency Detector Analyzer vs IRSignalTester

The clearest difference is monetization model: IRSignalTester at free against Frequency Detector Analyzer's free with in-app purchases. Frequency Detector Analyzer's advantage is ratings volume (25 vs 4) and iOS requirement (15.0 vs 26.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Frequency Detector Analyzer sells 2 in-app purchases, starting at $8.99 per 7 days and IRSignalTester sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.1 for Frequency Detector Analyzer against 4.0 for IRSignalTester. That said, the two scores are not equally well evidenced: Frequency Detector Analyzer has 25 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 8, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Frequency Detector Analyzer | IRSignalTester |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (25 ratings)](https://appshunter.io/ios/app/frequency-detector-analyzer/id6752298079/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/irsignaltester/id6757210442/reviews) |
| Number of ratings | **25** | 4 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 65 MB | 6 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NEURASYNC](https://appshunter.io/developer/1639101560) | [LimeLime Labs LLC](https://appshunter.io/developer/1002915290) |

## What reviewers say

### Frequency Detector Analyzer

[App page](https://appshunter.io/ios/app/frequency-detector-analyzer/id6752298079)

This application transforms your device into a precise sound analysis tool. It offers real-time frequency detection, visualization, and data logging for musicians, engineers, and curious individuals. Gain clarity and accuracy in understanding the soundscape around you.

**Highlights:** Live frequency tuner, Spectrogram visualization, Automatic logging and CSV export, Customizable logging interval, Elegant and modern design, Reliable performance

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Frequency Detector Weekly Sub | $8.99 | per 7 days |
| Frequency Detector Lifetime | $29.99 | one-time |


### 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, Vision Pro support

**In-app purchases (1)**

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


## Frequently asked questions

### Is Frequency Detector Analyzer free?

Frequency Detector Analyzer is free to download, with in-app purchases available.

### Is IRSignalTester free?

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

### Which has better reviews, Frequency Detector Analyzer or IRSignalTester?

Frequency Detector Analyzer is rated higher. Frequency Detector Analyzer averages 4.1 out of 5 from 25 ratings, while IRSignalTester averages 4.0 from 4 ratings.

### Do Frequency Detector Analyzer or IRSignalTester have ads?

Neither Frequency Detector Analyzer nor IRSignalTester shows ads.

### Which is updated more often, Frequency Detector Analyzer or IRSignalTester?

Frequency Detector Analyzer ships an update every 2 months, and IRSignalTester every 2 months. Most recently, Frequency Detector Analyzer was updated on November 8, 2026 and IRSignalTester on November 7, 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.*