Herz Stromax R vs Flow Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Herz Stromax R
This application calculates optimal balancing valve presets for HVAC systems. It visually highlights valves within the optimal operational range, replacing manual data sheet lookups with an intuitive interface. All calculations are verified and official.
- Optimal valve preset calculation
- HVAC system condition input
- Visual operational range highlighting
- Replaces data sheet procedures
- Verified laboratory values
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Herz STROMAX R App is balancing valves calculator. App provides optimal valve preset for HVAC system conditions input (pressure drop and flow rate). The valves within optimal operational range are highlighted in green color. Herz STROMAX R app provides visual representation according to the operational conditions, replacing the usual procedure of preset values determination using data sheets with diagrams. Herz STROMAX R is official Herz Armaturen GmbH tool for preset calculations, and all values are verified in testing laboratory in Vienna. For further information, please contact technical support of the local representative. List of local representatives and subsidiaries is available on the official www.herz.eu web site.
Flow Manager
This operations management app connects to a control platform for monitoring and troubleshooting building systems. It allows authorized users to view system health, update settings, and diagnose alarms remotely.
- Monitor lab/room and valve health
- Update setpoints
- Override valve position and IOs
- View and diagnose alarms
- Connects via Bluetooth to control platform
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Flow Manager by Phoenix Controls is an operations management mobile app that connects to the Critical Spaces Control Platform (CSCP) via Bluetooth at the Programmable BACnet Controller (PBC). Flow Manager allows authorized users to view & monitor the Phoenix Controls system for troubleshooting, day-to-day maintenance, and operations. Portable and easy monitoring: View Lab/Room & Valve health status with critical parameters Update setpoints Override valve position and IOs View & diagnose Alarms
Screenshots
Verdict
The clearest difference is update cadence: Herz Stromax R at every 7 months against Flow Manager's every 15 months. Herz Stromax R also leads on iOS requirement (11.0 vs 15.1). Flow Manager's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases 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.
On the App Store both sit at effectively the same score — 5.0 for Herz Stromax R against 5.0 for Flow Manager. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
Herz Stromax R ships an update every 7 months, Flow Manager every 15 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.
| Parameter | Herz Stromax R | Flow Manager |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 7 months — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 49 MB |
| Age rating | 4+ | 17+ |
| Developer | Aleksandar Jovanovic | Honeywell International, Inc. |
Customer experience
Herz Stromax R
Flow Manager
In-app purchases
Herz Stromax R
No in-app purchases
Flow Manager
No in-app purchases
Questions
Is Herz Stromax R free?
Is Flow Manager free?
Which has better reviews, Herz Stromax R or Flow Manager?
Do Herz Stromax R or Flow Manager have ads?
Which is updated more often, Herz Stromax R or Flow Manager?
Other comparisons
