# Spin Counter Plus vs Airthings Business

The clearest difference is price: Airthings Business at Free against Spin Counter Plus's $2.99. Airthings Business also leads on update cadence (monthly vs every 38 months). Spin Counter Plus's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Airthings Business 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, Airthings Business monthly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Spin Counter Plus | Airthings Business |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.4 (21 ratings)](https://appshunter.io/ios/app/airthings-business/id6444059293/reviews)** |
| Number of ratings | — | **21** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 105 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Airthings ASA](https://appshunter.io/developer/1101077902) |

## 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


### Airthings Business

[App page](https://appshunter.io/ios/app/airthings-business/id6444059293)

This application is designed for professional users of an indoor air quality monitoring system. It streamlines the setup and oversight of multiple air quality devices across various commercial and public spaces.

**Highlights:** Simplify device installation, Manage large-scale deployments, Monitor indoor air quality, Professional user interface, Support for office and school environments

**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 Airthings Business free?

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

### Do Spin Counter Plus or Airthings Business have ads?

Neither Spin Counter Plus nor Airthings Business shows ads.

### Which is updated more often, Spin Counter Plus or Airthings Business?

Spin Counter Plus ships an update every 38 months, and Airthings Business monthly. Most recently, Spin Counter Plus was updated on November 3, 2026 and Airthings Business on November 7, 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.*