# Herz Stromax R vs Flow Manager

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.

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.

## The numbers

| Metric | Herz Stromax R | Flow Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/herz-stromax-r/id824165722/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/flow-manager/id6473011834/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 15 months |
| Monetization | Free | Free |
| Size | 4 MB | 49 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aleksandar Jovanovic](https://appshunter.io/developer/598691474) | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) |

## What reviewers say

### Herz Stromax R

[App page](https://appshunter.io/ios/app/herz-stromax-r/id824165722)

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.

**Highlights:** Optimal valve preset calculation, HVAC system condition input, Visual operational range highlighting, Replaces data sheet procedures, Verified laboratory values

**Features:** macOS Compatibility

**In-app purchases:** none


### Flow Manager

[App page](https://appshunter.io/ios/app/flow-manager/id6473011834)

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.

**Highlights:** Monitor lab/room and valve health, Update setpoints, Override valve position and IOs, View and diagnose alarms, Connects via Bluetooth to control platform

**In-app purchases:** none


## Frequently asked questions

### Is Herz Stromax R free?

Herz Stromax R is free to download, with no in-app purchases.

### Is Flow Manager free?

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

### Which has better reviews, Herz Stromax R or Flow Manager?

Herz Stromax R and Flow Manager are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Herz Stromax R or Flow Manager have ads?

Neither Herz Stromax R nor Flow Manager shows ads.

### Which is updated more often, Herz Stromax R or Flow Manager?

Herz Stromax R ships an update every 7 months, and Flow Manager every 15 months. Most recently, Herz Stromax R was updated on October 2, 2026 and Flow Manager on October 3, 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.*