# Xylem X vs Belimo Assistant 2

The clearest difference is rating: Xylem X at 4.0 against Belimo Assistant 2's 3.4. Xylem X also leads on iOS requirement (15.1 vs 17.0). Belimo Assistant 2's advantage is update cadence (every 5 weeks vs every 4 months) and ratings volume (10 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Xylem X holds the better App Store score, 4.0 against 3.4. That said, the two scores are not equally well evidenced: Belimo Assistant 2 has 10 ratings behind it against 1, so its average is the more settled of the two.

Xylem X ships an update every 4 months, Belimo Assistant 2 every 5 weeks. The most recent releases landed on July 8, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Xylem X | Belimo Assistant 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/xylem-x/id6449676022/reviews)** | [3.4 (10 ratings)](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004/reviews) |
| Number of ratings | 1 | **10** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 59 MB | 122 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xylem Inc.](https://appshunter.io/developer/582035368) | [BELIMO Automation AG](https://appshunter.io/developer/1149281298) |

## What reviewers say

### Xylem X

[App page](https://appshunter.io/ios/app/xylem-x/id6449676022)

This app enables remote control and monitoring of Hydrovar X products. Users can add devices, perform commissioning, gather operational data, and receive alerts. It also facilitates sharing configuration reports and updating device firmware.

**Highlights:** Add and group connected units, Remote monitoring and control, Gather alarms and errors, Create configuration reports, Perform firmware updates

**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 Xylem X free?

Xylem X 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, Xylem X or Belimo Assistant 2?

Xylem X is rated higher. Xylem X averages 4.0 out of 5 from 1 ratings, while Belimo Assistant 2 averages 3.4 from 10 ratings.

### Do Xylem X or Belimo Assistant 2 have ads?

Neither Xylem X nor Belimo Assistant 2 shows ads.

### Which is updated more often, Xylem X or Belimo Assistant 2?

Xylem X ships an update every 4 months, and Belimo Assistant 2 every 5 weeks. Most recently, Xylem X was updated on July 8, 2026 and Belimo Assistant 2 on September 16, 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.*