# Frequency Generator vs Aviator Notes App

The clearest difference is update cadence: Aviator Notes App at weekly against Frequency Generator's monthly. Aviator Notes App also leads on iOS requirement (15.1 vs 18.3). On price, ads, in-app purchases 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 and Aviator Notes App sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

Frequency Generator ships an update monthly, Aviator Notes App weekly. The most recent releases landed on October 19, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Frequency Generator | Aviator Notes App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (20 ratings)](https://appshunter.io/ios/app/frequency-generator-hz-tones/id6468866671/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Freemium | — |
| Size | 21 MB | 34 MB |
| Requires iOS | 18.3 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Manfred Kuegel](https://appshunter.io/developer/1520736594) | [Erick Alejandro De Luna Chio](https://appshunter.io/developer/1829607269) |

## What reviewers say

### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generator-hz-tones/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 |


### Aviator Notes App

[App page](https://appshunter.io/ios/app/aviator-notes-app/id6749254504)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Frequency Generator free?

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

### Is Aviator Notes App free?

Aviator Notes App is free to download, with in-app purchases available.

### Do Frequency Generator or Aviator Notes App have ads?

Neither Frequency Generator nor Aviator Notes App shows ads.

### Which is updated more often, Frequency Generator or Aviator Notes App?

Frequency Generator ships an update monthly, and Aviator Notes App weekly. Most recently, Frequency Generator was updated on October 19, 2026 and Aviator Notes App on September 30, 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.*