# o46scope vs FNam FFT Spectrogram Analyzer

The clearest difference is in-app purchases: FNam FFT Spectrogram Analyzer at none against o46scope's 1. FNam FFT Spectrogram Analyzer also leads on update cadence (fortnightly vs every 6 weeks). o46scope's advantage is iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. o46scope sells 1 in-app purchase, starting at $19.99 per year. FNam FFT Spectrogram Analyzer asks for nothing beyond the download.

o46scope ships an update every 6 weeks, FNam FFT Spectrogram Analyzer fortnightly. The most recent releases landed on September 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | o46scope | FNam FFT Spectrogram Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 53 MB | 4 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Shinsuke Tsutsui](https://appshunter.io/developer/1707110915) | [YEON SEOB KIM](https://appshunter.io/developer/1878586254) |

## What reviewers say

### o46scope

[App page](https://appshunter.io/ios/app/o46scope/id6754371407)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $19.99 | per year |


### FNam FFT Spectrogram Analyzer

[App page](https://appshunter.io/ios/app/fnam-fft-spectrogram-analyzer/id6759438376)

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

**In-app purchases:** none


## Frequently asked questions

### Is o46scope free?

o46scope is free to download, with in-app purchases available.

### Is FNam FFT Spectrogram Analyzer free?

FNam FFT Spectrogram Analyzer is free to download, with no in-app purchases.

### Do o46scope or FNam FFT Spectrogram Analyzer have ads?

Neither o46scope nor FNam FFT Spectrogram Analyzer shows ads.

### Which is updated more often, o46scope or FNam FFT Spectrogram Analyzer?

o46scope ships an update every 6 weeks, and FNam FFT Spectrogram Analyzer fortnightly. Most recently, o46scope was updated on September 28, 2026 and FNam FFT Spectrogram Analyzer on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*