# Spectrolite vs Frequency Detector Analyzer

The clearest difference is review sentiment: Spectrolite at 83% against Frequency Detector Analyzer's 0%. Spectrolite also leads on rating (4.8 vs 4.3). Frequency Detector Analyzer's advantage is update cadence (every 2 months vs every 8 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Spectrolite holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 51 and 20 respectively. Written reviews point the same way: 83% of Spectrolite's written reviews are positive against 0% of Frequency Detector Analyzer's.

Spectrolite ships an update every 8 months, Frequency Detector Analyzer every 2 months. The most recent releases landed on September 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Spectrolite | Frequency Detector Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (51 ratings)](https://appshunter.io/ios/app/spectrolite/id1480240180/reviews)** | [4.3 (20 ratings)](https://appshunter.io/ios/app/frequency-detector-analyzer/id6752298079/reviews) |
| Number of ratings | **51** | 20 |
| Positive reviews | **83.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 1 MB | 65 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Waxing Wave](https://appshunter.io/developer/392942046) | [NEURASYNC](https://appshunter.io/developer/1639101560) |

## What reviewers say

### Spectrolite

[App page](https://appshunter.io/ios/app/spectrolite/id1480240180)

This app visualizes sound in real-time using various spectrogram types. Explore detailed audio data with intuitive touch controls and adjustable parameters. An optional purchase unlocks advanced measurement tools.

**Highlights:** Real-time spectrogram visualization, Constant-Q, linear, and mel frequency scales, Full human hearing frequency range, Intuitive touch panning and zooming, Adjustable gain, Q, and other parameters, Pro version: grids, scales, spectrum view, tap-to-measure

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is Spectrolite free?

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

### Is Frequency Detector Analyzer free?

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

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

Spectrolite is rated higher. Spectrolite averages 4.8 out of 5 from 51 ratings, while Frequency Detector Analyzer averages 4.3 from 20 ratings.

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

Neither Spectrolite nor Frequency Detector Analyzer shows ads.

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

Spectrolite ships an update every 8 months, and Frequency Detector Analyzer every 2 months. Most recently, Spectrolite was updated on September 23, 2026 and Frequency Detector Analyzer on October 11, 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.*