# Spectrolite vs Frequency Analyzer

The clearest difference is update cadence: Frequency Analyzer at monthly against Spectrolite's every 8 months. Spectrolite's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, 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 Analyzer sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Spectrolite ships an update every 8 months, Frequency Analyzer monthly. The most recent releases landed on September 23, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Spectrolite | Frequency Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (51 ratings)](https://appshunter.io/ios/app/spectrolite/id1480240180/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Waxing Wave](https://appshunter.io/developer/392942046) | [RAMAZAN USEN](https://appshunter.io/developer/1783434185) |

## 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 Analyzer

[App page](https://appshunter.io/ios/app/frequency-analyzer-spectralab/id6762404295)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpectraLab Pro Monthly | $4.99 | per month |
| SpectraLab Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Spectrolite free?

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

### Is Frequency Analyzer free?

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

### Do Spectrolite or Frequency Analyzer have ads?

Neither Spectrolite nor Frequency Analyzer shows ads.

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

Spectrolite ships an update every 8 months, and Frequency Analyzer monthly. Most recently, Spectrolite was updated on September 23, 2026 and Frequency Analyzer on October 16, 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.*