# Belimo Assistant 2 vs Unit Converter HVAC

The clearest difference is price: Belimo Assistant 2 at Free against Unit Converter HVAC's $0.99. Belimo Assistant 2 also leads on in-app purchases (none vs 1). Unit Converter HVAC's advantage is iOS requirement (13.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

Belimo Assistant 2 is free to download; Unit Converter HVAC costs $0.99 up front. Unit Converter HVAC sells 1 one-off in-app purchase. Belimo Assistant 2 asks for nothing beyond the download.

Belimo Assistant 2 ships an update every 5 weeks, Unit Converter HVAC every 3 weeks. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Belimo Assistant 2 | Unit Converter HVAC |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.4 (10 ratings)](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 125 MB | 34 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [BELIMO Automation AG](https://appshunter.io/developer/1149281298) | [Rizvan Adzhoian](https://appshunter.io/developer/1891746079) |

## What reviewers say

### 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


### Unit Converter HVAC

[App page](https://appshunter.io/ios/app/unit-converter-hvac/id6764647825)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Belimo Assistant 2 free?

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

### Is Unit Converter HVAC free?

Unit Converter HVAC costs $0.99, and also offers in-app purchases.

### Do Belimo Assistant 2 or Unit Converter HVAC have ads?

Neither Belimo Assistant 2 nor Unit Converter HVAC shows ads.

### Which is updated more often, Belimo Assistant 2 or Unit Converter HVAC?

Belimo Assistant 2 ships an update every 5 weeks, and Unit Converter HVAC every 3 weeks. Most recently, Belimo Assistant 2 was updated on October 17, 2026 and Unit Converter HVAC on October 21, 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.*