# Frequency Generator vs HEAT OneLayer

The clearest difference is in-app purchases: HEAT OneLayer at none against Frequency Generator's 2. HEAT OneLayer also leads on iOS requirement (11.0 vs 18.3). On price, ads and device support there is nothing between them.

Both are free to download. Frequency Generator sells 2 in-app purchases, starting at $4.99 per 7 days. HEAT OneLayer asks for nothing beyond the download.

## The numbers

| Metric | Frequency Generator | HEAT OneLayer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/frequency-generator/id6468866671/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Freemium | — |
| Size | 21 MB | 132 MB |
| Requires iOS | 18.3 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Manfred Kuegel](https://appshunter.io/developer/1520736594) | [Mobile Associates, LLC](https://appshunter.io/developer/959592099) |

## What reviewers say

### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generator/id6468866671)

Generate precise audio tones for sleep, focus, and relaxation. Explore a wide frequency range, shape waveforms, and access presets like Solfeggio frequencies. An optional Pro upgrade unlocks all features.

**Highlights:** Wide frequency range (1 Hz - 22,000 Hz), Multiple waveforms (sine, square, sawtooth, triangle), Background audio playback, Solfeggio frequencies and musical notes, Binaural beats and isochronic tones, Saved and pinned tone presets, Lock-screen and Control Center controls

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Yearly | $29.99 | per year |


### HEAT OneLayer

[App page](https://appshunter.io/ios/app/heat-onelayer/id6479862561)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Generator free?

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

### Is HEAT OneLayer free?

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

### Do Frequency Generator or HEAT OneLayer have ads?

Neither Frequency Generator nor HEAT OneLayer shows ads.

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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.*