# FlowCheck vs Xylem X

The clearest difference is update cadence: Xylem X at every 4 months against FlowCheck's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.

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

FlowCheck ships an update every 15 months, Xylem X every 4 months. The most recent releases landed on September 9, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | FlowCheck | Xylem X |
| --- | --- | --- |
| 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 15 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 15 MB | 59 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TROX GmbH](https://appshunter.io/developer/968659913) | [Xylem Inc.](https://appshunter.io/developer/582035368) |

## What reviewers say

### FlowCheck

[App page](https://appshunter.io/ios/app/flowcheck/id1501706128)

**Features:** Apple Wallet

**In-app purchases:** none


### 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


## Frequently asked questions

### Is FlowCheck free?

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

### Is Xylem X free?

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

### Do FlowCheck or Xylem X have ads?

Neither FlowCheck nor Xylem X shows ads.

### Which is updated more often, FlowCheck or Xylem X?

FlowCheck ships an update every 15 months, and Xylem X every 4 months. Most recently, FlowCheck was updated on September 9, 2026 and Xylem X on July 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.*