# Audio Frequency Analyzer vs Spectrolite

The clearest difference is price: Spectrolite at Free against Audio Frequency Analyzer's $9.99. Spectrolite also leads on rating (4.8 vs 3.7) and review sentiment (83% vs 60%). Audio Frequency Analyzer's advantage is in-app purchases (none vs 1). On update cadence and ads there is nothing between them.

Spectrolite is free to download; Audio Frequency Analyzer costs $9.99 up front. Spectrolite sells 1 one-off in-app purchase. Audio Frequency Analyzer asks for nothing beyond the download.

Spectrolite holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Spectrolite has 51 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 60% of Audio Frequency Analyzer's written reviews are positive against 83% of Spectrolite's.

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Audio Frequency Analyzer | Spectrolite |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742/reviews) | **[4.8 (51 ratings)](https://appshunter.io/ios/app/spectrolite/id1480240180/reviews)** |
| Number of ratings | 3 | **51** |
| Positive reviews | 60.0% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | Every 8 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 0 MB | 1 MB |
| Requires iOS | 26.2 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Waxing Wave](https://appshunter.io/developer/392942046) |

## What reviewers say

### Audio Frequency Analyzer

[App page](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742)

This real-time audio analyzer measures and evaluates sound environments with 1/3 octave band frequency response and FFT analysis. It supports calibration for high accuracy and is suitable for various audio testing and tuning applications.

**Highlights:** Real-time frequency spectrum response measurement (1/3 octave, 30 bands), FFT Analyzer, Observation frequency range: 20 - 23000 Hz, Calibration function for high accuracy, Supports built-in and external microphones, Snapshot and averaging functions

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Audio Frequency Analyzer free?

Audio Frequency Analyzer costs $9.99, with no in-app purchases.

### Is Spectrolite free?

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

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

Spectrolite is rated higher. Audio Frequency Analyzer averages 3.7 out of 5 from 3 ratings, while Spectrolite averages 4.8 from 51 ratings.

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

Neither Audio Frequency Analyzer nor Spectrolite shows ads.

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

Audio Frequency Analyzer ships an update every 8 months, and Spectrolite every 8 months. Most recently, Audio Frequency Analyzer was updated on September 9, 2026 and Spectrolite on September 23, 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.*