# Xylem X vs Building Defects Tracker

The clearest difference is iOS requirement: Xylem X at 15.1 against Building Defects Tracker'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.

Xylem X ships an update every 4 months, Building Defects Tracker every 2 months. The most recent releases landed on October 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Xylem X | Building Defects Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/xylem-x/id6449676022/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 59 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Xylem Inc.](https://appshunter.io/developer/582035368) | [Albert Frick](https://appshunter.io/developer/6802014257) |

## 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


### Building Defects Tracker

[App page](https://appshunter.io/ios/app/building-defects-tracker/id6802430409)

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

**In-app purchases:** none


## Frequently asked questions

### Is Xylem X free?

Xylem X is free to download, with no in-app purchases.

### Is Building Defects Tracker free?

Building Defects Tracker is free to download, with no in-app purchases.

### Do Xylem X or Building Defects Tracker have ads?

Neither Xylem X nor Building Defects Tracker shows ads.

### Which is updated more often, Xylem X or Building Defects Tracker?

Xylem X ships an update every 4 months, and Building Defects Tracker every 2 months. Most recently, Xylem X was updated on October 4, 2026 and Building Defects Tracker on October 31, 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.*