# Frequency Generator (Sound) vs FREQUENCY SCHOOL

The clearest difference is ads: FREQUENCY SCHOOL at none against Frequency Generator (Sound)'s shown. FREQUENCY SCHOOL also leads on update cadence (every 6 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Frequency Generator (Sound) sells 1 in-app purchase, starting at $0.99 per 7 days and FREQUENCY SCHOOL sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Frequency Generator (Sound) ships an update every 3 months, FREQUENCY SCHOOL every 6 weeks. The most recent releases landed on September 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Frequency Generator (Sound) | FREQUENCY SCHOOL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/frequency-generator-sound/id6596757315/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 86 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NETIGEN Kluzowicz sp. j.](https://appshunter.io/developer/892331873) | [Whyzzer UG](https://appshunter.io/developer/1584613824) |

## What reviewers say

### Frequency Generator (Sound)

[App page](https://appshunter.io/ios/app/frequency-generator-sound/id6596757315)

Generate various sound waves, from sine to triangle, with adjustable frequencies and volumes. Test speakers, tune instruments, or create multi-oscillator soundscapes. Customize your audio experience with a range of settings and themes.

**Highlights:** Generate sine, square, sawtooth, or triangle sound waves, Adjust frequency from 1Hz to 22000Hz, Control volume and balance (left/right), Multi-oscillator mode for three simultaneous sounds, Customizable frequency range slider, Low latency audio setting, Theme customization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week subscription | $0.99 | per 7 days |


### FREQUENCY SCHOOL

[App page](https://appshunter.io/ios/app/frequency-school/id6736973747)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |


## Frequently asked questions

### Is Frequency Generator (Sound) free?

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

### Is FREQUENCY SCHOOL free?

FREQUENCY SCHOOL is free to download, with in-app purchases available.

### Do Frequency Generator (Sound) or FREQUENCY SCHOOL have ads?

Frequency Generator (Sound) shows ads; FREQUENCY SCHOOL does not.

### Which is updated more often, Frequency Generator (Sound) or FREQUENCY SCHOOL?

Frequency Generator (Sound) ships an update every 3 months, and FREQUENCY SCHOOL every 6 weeks. Most recently, Frequency Generator (Sound) was updated on September 16, 2026 and FREQUENCY SCHOOL on September 8, 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.*