# FormantScope vs Easy Audio Spectrogram

The clearest difference is update cadence: Easy Audio Spectrogram at every 3 weeks against FormantScope's every 6 weeks. FormantScope's advantage is iOS requirement (17.0 vs 26.0). On price, ads, 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.

FormantScope ships an update every 6 weeks, Easy Audio Spectrogram every 3 weeks. Both last shipped on September 16, 2026.

## The numbers

| Metric | FormantScope | Easy Audio Spectrogram |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 4 MB | 4 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [跃然 王](https://appshunter.io/developer/1895682344) | [Chen Gong](https://appshunter.io/developer/1896464770) |

## What reviewers say

### FormantScope

[App page](https://appshunter.io/ios/app/formantscope/id6764803567)

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

**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 FormantScope free?

FormantScope 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 FormantScope or Easy Audio Spectrogram have ads?

Neither FormantScope nor Easy Audio Spectrogram shows ads.

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

FormantScope ships an update every 6 weeks, and Easy Audio Spectrogram every 3 weeks. Most recently, FormantScope was updated on September 16, 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.*