# Spectrolite vs FNam FFT Spectrogram Analyzer

The clearest difference is in-app purchases: FNam FFT Spectrogram Analyzer at none against Spectrolite's 1. FNam FFT Spectrogram Analyzer also leads on update cadence (fortnightly vs every 8 months). Spectrolite's advantage is iOS requirement (15.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Spectrolite sells 1 one-off in-app purchase. FNam FFT Spectrogram Analyzer asks for nothing beyond the download.

Spectrolite ships an update every 8 months, FNam FFT Spectrogram Analyzer fortnightly. The most recent releases landed on September 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Spectrolite | FNam FFT Spectrogram 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 | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Waxing Wave](https://appshunter.io/developer/392942046) | [YEON SEOB KIM](https://appshunter.io/developer/1878586254) |

## 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 |


### FNam FFT Spectrogram Analyzer

[App page](https://appshunter.io/ios/app/fnam-fft-spectrogram-analyzer/id6759438376)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spectrolite free?

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

### Is FNam FFT Spectrogram Analyzer free?

FNam FFT Spectrogram Analyzer is free to download, with no in-app purchases.

### Do Spectrolite or FNam FFT Spectrogram Analyzer have ads?

Neither Spectrolite nor FNam FFT Spectrogram Analyzer shows ads.

### Which is updated more often, Spectrolite or FNam FFT Spectrogram Analyzer?

Spectrolite ships an update every 8 months, and FNam FFT Spectrogram Analyzer fortnightly. Most recently, Spectrolite was updated on September 23, 2026 and FNam FFT Spectrogram Analyzer on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*