# Frequency Generator App vs ZirbelSignal

The clearest difference is in-app purchases: Frequency Generator App at none against ZirbelSignal's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZirbelSignal sells 1 in-app purchase, starting at $0.99 per month. Frequency Generator App asks for nothing beyond the download.

## The numbers

| Metric | Frequency Generator App | ZirbelSignal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 28 MB | 140 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Deisy Renteria](https://appshunter.io/developer/1579364093) | [Daniel Ovadia](https://appshunter.io/developer/1835498181) |

## What reviewers say

### Frequency Generator App

[App page](https://appshunter.io/ios/app/frequency-generator-app/id6736928296)

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

**In-app purchases:** none


### ZirbelSignal

[App page](https://appshunter.io/ios/app/zirbelsignal/id6758164112)

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is Frequency Generator App free?

Frequency Generator App is free to download, with no in-app purchases.

### Is ZirbelSignal free?

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

### Do Frequency Generator App or ZirbelSignal have ads?

Neither Frequency Generator App nor ZirbelSignal 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.*