Combi Valve Sizer vs e
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Combi Valve Sizer
This app simplifies the selection of specific HVAC components. It guides users through choosing the correct valve and actuator, calculates flow rates, and assists with presetting and commissioning. Users can also tag components and download reports.
- Guided valve and actuator selection
- Valve sizing and flow calculation
- Valve presetting calculation
- Tagging valve location and designation
- Commissioning check with reports
- Data sheet downloads
- Report sharing
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Combi Valve Sizer app from Siemens helps to select the right Acvatix PICV (combi valve) and matching actuator easily. Features: - Guided valve and actuator selection - Valve sizing - Calculation of maximum volumetric flow - Calculation of valve presetting - Tagging the valve location and designation - Commissioning check with report - Data sheets download - Sharing of reports and documents
e
Configure, test, and diagnose valve issues remotely using your smartphone via a Bluetooth connection. The app guides you through installation, allows quick parameter setup, and provides online help for troubleshooting.
- Bluetooth valve configuration
- Guided installation and testing
- Quick parameter setup
- Diagnostic tools with online help
- Access valve status, counters, and errors
- Online help for operation and error codes
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The new e-Valve from Waterline allows to quickly and easily configure, test and diagnose problems using the smartphone through a Bluetooth connection. Use the app to connect to the e-Valve and take advantage of many available features: • Valve installation and testing: the app will walk you through all the installation steps, including testing and quality check; • Valve quick configuration: set up portions, ratio, foaming and many other parameters; • Diagnose and resolve: you can access useful information on the valve such as status, counters and errors with online help; • Online Help always available: any time you need you can find all the information on normal operation, error codes and LED light codes.
Screenshots
Verdict
The clearest difference is update cadence: e at every 3 months against Combi Valve Sizer's every 9 months. Combi Valve Sizer's advantage is iOS requirement (7.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Combi Valve Sizer ships an update every 9 months, e every 3 months. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.
| Parameter | Combi Valve Sizer | e |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 50 MB | 115 MB |
| Age rating | 4+ | 4+ |
| Developer | Siemens AG | AND EMILI SRL |
Customer experience
Combi Valve Sizer
e
In-app purchases
Combi Valve Sizer
No in-app purchases
e
No in-app purchases
