# Audio Frequency Analyzer vs Enigma Semi

The clearest difference is price: Enigma Semi at Free against Audio Frequency Analyzer's $9.99. Enigma Semi also leads on update cadence (every 2 months vs every 8 months) and device support (3 vs 1). Audio Frequency Analyzer's advantage is in-app purchases (none vs 12). On ads there is nothing between them.

Enigma Semi is free to download; Audio Frequency Analyzer costs $9.99 up front. Enigma Semi sells 12 one-off in-app purchases. Audio Frequency Analyzer asks for nothing beyond the download.

Audio Frequency Analyzer ships an update every 8 months, Enigma Semi every 2 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Audio Frequency Analyzer | Enigma Semi |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 0 MB | 5 MB |
| Requires iOS | 26.2 | **9.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [DILTS JAPAN, LIMITED LIABILITY CO.](https://appshunter.io/developer/780416956) |

## 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


### Enigma Semi

[App page](https://appshunter.io/ios/app/enigma-semi-full-pro-mode/id1454383757)

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CYGNUS-X SE44J | $3.99 | one-time |
| GROM JC61 | $3.99 | one-time |
| GROM JC75 | $3.99 | one-time |
| MONKEY125 JB02 | $3.99 | one-time |
| Z125 Pro | $3.99 | one-time |
| SUPER CUB C125 JA58 | $3.99 | one-time |
| HUNTER CUB CT125 JA65 | $3.99 | one-time |
| DAX125 JB04/JB06 | $3.99 | one-time |
| CROSS CUB CC110 JA60 | $3.99 | one-time |
| GROM 8BJ-JC92 | $3.99 | one-time |
| GROM 2BJ-JC92 | $3.99 | one-time |
| MONKEY125 JB03/JB05 | $3.99 | one-time |


## Frequently asked questions

### Is Audio Frequency Analyzer free?

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

### Is Enigma Semi free?

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

### Do Audio Frequency Analyzer or Enigma Semi have ads?

Neither Audio Frequency Analyzer nor Enigma Semi shows ads.

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

Audio Frequency Analyzer ships an update every 8 months, and Enigma Semi every 2 months. Most recently, Audio Frequency Analyzer was updated on October 24, 2026 and Enigma Semi on October 14, 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.*