# RetroTone vs Live Spectrum Analyzer

The clearest difference is in-app purchases: RetroTone at none against Live Spectrum Analyzer's 3. RetroTone also leads on update cadence (weekly vs every 2 months). Live Spectrum Analyzer's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 26.2). On price and ads there is nothing between them.

Both are free to download. Live Spectrum Analyzer sells 3 in-app purchases, starting at $1.99 per month. RetroTone asks for nothing beyond the download.

RetroTone ships an update weekly, Live Spectrum Analyzer every 2 months. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RetroTone | Live Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 101 MB | 8 MB |
| Requires iOS | 26.2 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HIROSHI SHINKAWA](https://appshunter.io/developer/1875457585) | [成勇 龚](https://appshunter.io/developer/1896721279) |

## What reviewers say

### RetroTone

[App page](https://appshunter.io/ios/app/retrotone/id6758872739)

Generate precise audio frequencies from 20Hz to 20,000Hz for various uses like relaxation, study, or sleep. Test your hearing range with a slider and tune musical instruments with the built-in tuner. Enjoy a simple, retro-inspired interface.

**Highlights:** Precise frequency generation (20Hz-20,000Hz), Hearing range testing slider, Built-in instrument tuner, Supports relaxation and study frequencies (e.g., 432Hz, 528Hz), Simple retro design, Includes bonus tracks

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

**In-app purchases:** none


### Live Spectrum Analyzer

[App page](https://appshunter.io/ios/app/live-spectrum-analyzer/id6804594590)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Live Spectrum Analyzer Monthly PRO | $1.99 | per month |
| Live Spectrum Analyzer Yearly PRO | $9.99 | per year |
| Live Spectrum Analyzer Life PRO | $19.99 | one-time |


## Frequently asked questions

### Is RetroTone free?

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

### Is Live Spectrum Analyzer free?

Live Spectrum Analyzer is free to download, with in-app purchases available.

### Do RetroTone or Live Spectrum Analyzer have ads?

Neither RetroTone nor Live Spectrum Analyzer shows ads.

### Which is updated more often, RetroTone or Live Spectrum Analyzer?

RetroTone ships an update weekly, and Live Spectrum Analyzer every 2 months. Most recently, RetroTone was updated on October 13, 2026 and Live Spectrum Analyzer on October 24, 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.*