# Spin Counter Plus vs Frequency Generator

The clearest difference is price: Frequency Generator at Free against Spin Counter Plus's $2.99. Frequency Generator also leads on update cadence (daily vs every 38 months). Spin Counter Plus's advantage is iOS requirement (12.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Frequency Generator is free to download; Spin Counter Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spin Counter Plus ships an update every 38 months, Frequency Generator daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Spin Counter Plus | Frequency Generator |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.8 (11 ratings)](https://appshunter.io/ios/app/frequency-generator-soundrx/id6743776632/reviews)** |
| Number of ratings | — | **11** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Daily** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 23 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [金红 李](https://appshunter.io/developer/1781133144) |

## What reviewers say

### Spin Counter Plus

[App page](https://appshunter.io/ios/app/spin-counter-plus/id6443945937)

This utility tool accurately counts rotations using your device's magnetic sensor. It provides detailed data on orientation, speed, and total spins, with options to save or copy the information for further analysis. Ideal for tracking circular motion in sports or activities.

**Highlights:** 3D compass for orientation, Tap to start/stop recording, Save rotation data images, Copy data to clipboard, Display total rotations, Show rotation speed (sec/RPM)

**Features:** macOS Compatibility

**In-app purchases:** none


### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generator-soundrx/id6743776632)

This app generates customizable sound frequencies and ambient tones to promote relaxation, meditation, focus, and sleep. It offers brainwave entrainment and solfeggio frequencies for various wellness goals.

**Highlights:** Customizable frequency generator (1-22000 Hz), Solfeggio frequencies, Brainwave entrainment tones, Ambient sound mixing, Background playback, Volume control

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

**In-app purchases:** none


## Frequently asked questions

### Is Spin Counter Plus free?

Spin Counter Plus costs $2.99, with no in-app purchases.

### Is Frequency Generator free?

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

### Do Spin Counter Plus or Frequency Generator have ads?

Neither Spin Counter Plus nor Frequency Generator shows ads.

### Which is updated more often, Spin Counter Plus or Frequency Generator?

Spin Counter Plus ships an update every 38 months, and Frequency Generator daily. Most recently, Spin Counter Plus was updated on October 24, 2026 and Frequency Generator on October 24, 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.*