# Frequency Generator Pro vs VocalCord Sci

The clearest difference is ads: VocalCord Sci at none against Frequency Generator Pro's shown. Frequency Generator Pro's advantage is update cadence (every 4 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Frequency Generator Pro ships an update every 4 days, VocalCord Sci every 7 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Frequency Generator Pro | VocalCord Sci |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 0 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BARIS ERSOY](https://appshunter.io/developer/1806576084) | [New Senses](https://appshunter.io/developer/1497481258) |

## What reviewers say

### Frequency Generator Pro

[App page](https://appshunter.io/ios/app/frequency-generator-pro-free/id6754661206)

Explore Solfeggio frequencies from 174 Hz to 963 Hz for mind-body balance. Features include sleep, wealth, and harmony meditations, plus white, pink, and brown noise therapy. Designed for stress relief, sleep improvement, and spiritual growth.

**Highlights:** Solfeggio frequency generator (174-963 Hz), Sleep, wealth, and harmony meditations, White, pink, and brown noise therapy, Stress and anxiety relief, Spiritual growth support

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

**In-app purchases:** none


### VocalCord Sci

[App page](https://appshunter.io/ios/app/vocalcord-sci/id6758832728)

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

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Generator Pro free?

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

### Is VocalCord Sci free?

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

### Do Frequency Generator Pro or VocalCord Sci have ads?

Frequency Generator Pro shows ads; VocalCord Sci does not.

### Which is updated more often, Frequency Generator Pro or VocalCord Sci?

Frequency Generator Pro ships an update every 4 days, and VocalCord Sci every 7 months. Most recently, Frequency Generator Pro was updated on November 9, 2026 and VocalCord Sci on October 31, 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.*