# Airthings Business vs Belimo Assistant 2

The clearest difference is rating: Airthings Business at 4.4 against Belimo Assistant 2's 3.4. On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Airthings Business holds the better App Store score, 4.4 against 3.4. Both are backed by a comparable volume of ratings — 19 and 10 respectively.

Airthings Business ships an update monthly, Belimo Assistant 2 every 5 weeks. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Airthings Business | Belimo Assistant 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (19 ratings)](https://appshunter.io/ios/app/airthings-business/id6444059293/reviews)** | [3.4 (10 ratings)](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004/reviews) |
| Number of ratings | **19** | 10 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 105 MB | 125 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Airthings ASA](https://appshunter.io/developer/1101077902) | [BELIMO Automation AG](https://appshunter.io/developer/1149281298) |

## What reviewers say

### 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


### Belimo Assistant 2

[App page](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004)

This app allows for the setup, operation, and troubleshooting of Belimo devices like actuators and valves using a smartphone or tablet. It offers features for checking parameters, monitoring device status, and generating reports.

**Highlights:** Device parameter modification, Identification data display, MP-Bus, BACnet, Modbus addressing, Guided parameter setup, Configuration copy/paste, Live trending and local override, Device health and operation monitoring, Digital report generation

**In-app purchases:** none


## Frequently asked questions

### Is Airthings Business free?

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

### Is Belimo Assistant 2 free?

Belimo Assistant 2 is free to download, with no in-app purchases.

### Which has better reviews, Airthings Business or Belimo Assistant 2?

Airthings Business is rated higher. Airthings Business averages 4.4 out of 5 from 19 ratings, while Belimo Assistant 2 averages 3.4 from 10 ratings.

### Do Airthings Business or Belimo Assistant 2 have ads?

Neither Airthings Business nor Belimo Assistant 2 shows ads.

### Which is updated more often, Airthings Business or Belimo Assistant 2?

Airthings Business ships an update monthly, and Belimo Assistant 2 every 5 weeks. Most recently, Airthings Business was updated on October 24, 2026 and Belimo Assistant 2 on October 23, 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.*