# Audio Frequency Analyzer vs Tone Generator

The clearest difference is price: Tone Generator at Free against Audio Frequency Analyzer's $9.99. Tone Generator also leads on update cadence (every 2 weeks vs every 8 months) and iOS requirement (17.6 vs 26.2). Audio Frequency Analyzer's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Tone Generator is free to download; Audio Frequency Analyzer costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Audio Frequency Analyzer ships an update every 8 months, Tone Generator every 2 weeks. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Audio Frequency Analyzer | Tone Generator |
| --- | --- | --- |
| 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 | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 0 MB | 5 MB |
| Requires iOS | 26.2 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Eiji Chiba](https://appshunter.io/developer/1818574673) |

## 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


### Tone Generator

[App page](https://appshunter.io/ios/app/tone-generator/id6746802859)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Audio Frequency Analyzer free?

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

### Is Tone Generator free?

Tone Generator is free to download, with no in-app purchases.

### Do Audio Frequency Analyzer or Tone Generator have ads?

Tone Generator shows ads; Audio Frequency Analyzer does not.

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

Audio Frequency Analyzer ships an update every 8 months, and Tone Generator every 2 weeks. Most recently, Audio Frequency Analyzer was updated on September 9, 2026 and Tone Generator on September 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.*