# Belimo Assistant 2 vs TROX Ox ServiceApp

The clearest difference is iOS requirement: TROX Ox ServiceApp at 15.5 against Belimo Assistant 2's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Belimo Assistant 2 ships an update every 5 weeks, TROX Ox ServiceApp every 6 weeks. The most recent releases landed on September 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Belimo Assistant 2 | TROX Ox ServiceApp |
| --- | --- | --- |
| Price | Free | Free |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 122 MB | 58 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BELIMO Automation AG](https://appshunter.io/developer/1149281298) | [TROX GmbH](https://appshunter.io/developer/968659913) |

## 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


### TROX Ox ServiceApp

[App page](https://appshunter.io/ios/app/trox-ox-serviceapp/id6740277435)

**In-app purchases:** none


## Frequently asked questions

### Is Belimo Assistant 2 free?

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

### Is TROX Ox ServiceApp free?

TROX Ox ServiceApp is free to download, with no in-app purchases.

### Do Belimo Assistant 2 or TROX Ox ServiceApp have ads?

Neither Belimo Assistant 2 nor TROX Ox ServiceApp shows ads.

### Which is updated more often, Belimo Assistant 2 or TROX Ox ServiceApp?

Belimo Assistant 2 ships an update every 5 weeks, and TROX Ox ServiceApp every 6 weeks. Most recently, Belimo Assistant 2 was updated on September 16, 2026 and TROX Ox ServiceApp on September 8, 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.*