# Frequency Generator vs ATISwim

The clearest difference is in-app purchases: ATISwim at none against Frequency Generator's 2. ATISwim also leads on update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

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

Frequency Generator ships an update monthly, ATISwim every 4 days. The most recent releases landed on September 30, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Frequency Generator | ATISwim |
| --- | --- | --- |
| 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 | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 21 MB | 1 MB |
| Requires iOS | 18.3 | **18.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Manfred Kuegel](https://appshunter.io/developer/1520736594) | [TAKUYA HIGUCHI](https://appshunter.io/developer/579952589) |

## 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 |


### ATISwim

[App page](https://appshunter.io/ios/app/atiswim/id6763877896)

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

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Generator free?

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

### Is ATISwim free?

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

### Do Frequency Generator or ATISwim have ads?

Neither Frequency Generator nor ATISwim shows ads.

### Which is updated more often, Frequency Generator or ATISwim?

Frequency Generator ships an update monthly, and ATISwim every 4 days. Most recently, Frequency Generator was updated on September 30, 2026 and ATISwim on September 10, 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.*