# Tone Generator vs Easy Audio Spectrogram

The clearest difference is ads: Easy Audio Spectrogram at none against Tone Generator's shown. Tone Generator's advantage is iOS requirement (17.6 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tone Generator ships an update every 2 weeks, Easy Audio Spectrogram every 3 weeks. The most recent releases landed on September 30, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Tone Generator | Easy Audio Spectrogram |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 5 MB | 4 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eiji Chiba](https://appshunter.io/developer/1818574673) | [Chen Gong](https://appshunter.io/developer/1896464770) |

## What reviewers say

### Tone Generator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Easy Audio Spectrogram

[App page](https://appshunter.io/ios/app/easy-audio-spectrogram/id6772611741)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tone Generator free?

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

### Is Easy Audio Spectrogram free?

Easy Audio Spectrogram is free to download, with no in-app purchases.

### Do Tone Generator or Easy Audio Spectrogram have ads?

Tone Generator shows ads; Easy Audio Spectrogram does not.

### Which is updated more often, Tone Generator or Easy Audio Spectrogram?

Tone Generator ships an update every 2 weeks, and Easy Audio Spectrogram every 3 weeks. Most recently, Tone Generator was updated on September 30, 2026 and Easy Audio Spectrogram on September 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.*