# Centerfrigo vs Frequency Generator

The clearest difference is in-app purchases: Centerfrigo at none against Frequency Generator's 2. Centerfrigo also leads on iOS requirement (13 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Frequency Generator sells 2 in-app purchases, starting at $3.99 per 7 days. Centerfrigo asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Centerfrigo | Frequency Generator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 26 MB | 282 MB |
| Requires iOS | **13** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nextome s.r.l.](https://appshunter.io/developer/848944113) | [Emre Atik](https://appshunter.io/developer/1686436153) |

## What reviewers say

### Centerfrigo

[App page](https://appshunter.io/ios/app/centerfrigo/id1447623333)

**Features:** macOS Compatibility

**In-app purchases:** none


### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generatorsound-wave/id6752813377)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Days Free Trial Weekly PRO | $3.99 | per 7 days |
| Sona Annual PRO | $19.99 | per year |


## Frequently asked questions

### Is Centerfrigo free?

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

### Is Frequency Generator free?

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

### Do Centerfrigo or Frequency Generator have ads?

Neither Centerfrigo nor Frequency Generator shows ads.

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

Centerfrigo ships an update every 3 weeks, and Frequency Generator every 3 weeks. Most recently, Centerfrigo was updated on September 15, 2026 and Frequency Generator on October 11, 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.*