Combi Valve Sizer vs HyTune
Price, ratings, monetisation and update history for both apps, side by side โ 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
HyTune
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IMI Hydronic Engineering proudly presents HyTune, the user-friendly configuration App for the TA-Smart connected control valve and the TA-Slider range of actuators. Features include: * Easy adjustment of the parameters of TA-Smart and TA-Slider actuators: - Control signal, - Output signal, - Limitations (stroke, flow, โฆ), - Bus connectivity, - Binary input and relay programming (for TA-Slider), - And more โฆ * History of last errors and operational statistics * Export and import of all configuration parameters * Live graphical view of flow and power for TA-Smart and received input signal for TA-Slider Please visit www.imi-hydronic.com for more information and contact details. Phone numbers to local support can be found here: https://www.imi-hydronic.com/contacts IMI Hydronic Engineering is the leading global provider and expert in hydronic distribution systems and room temperature control, with experience in more than 100,000 projects worldwide. We help our customers everywhere optimise HVAC systems so they deliver desired comfort with optimal efficiency. IMI Hydronic Engineering is part of the international engineering group IMI plc which is listed as a member of the FTSE 100 on the London Stock Exchange.
Screenshots
Verdict
The clearest difference is update cadence: HyTune at every 9 days against Combi Valve Sizer's every 9 months. Combi Valve Sizer's advantage is iOS requirement (7.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท 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, HyTune every 9 days. The most recent releases landed on June 10, 2026 and August 25, 2026 respectively.
| Parameter | Combi Valve Sizer | HyTune |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | โ |
| Update frequency | Every 9 months | Every 9 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.0 โ better | 18.0 |
| Further details โ not scored | ||
| Size | 50 MB | 193 MB |
| Age rating | 4+ | 4+ |
| Developer | Siemens AG | IMI Hydronic Engineering International SA |
In-app purchases
Combi Valve Sizer
No in-app purchases
HyTune
No in-app purchases








