# FM vs Hager flow

The clearest difference is review sentiment: FM at 43% against Hager flow's 0%. FM also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | FM | Hager flow |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **42.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 62 MB | 25 MB |
| Requires iOS | **9.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [OASE GmbH](https://appshunter.io/developer/642838336) | [HagerEnergy GmbH](https://appshunter.io/developer/437484845) |

## What reviewers say

### FM

[App page](https://appshunter.io/ios/app/fm-master-wlan/id967950429)

Control your garden's lighting, pumps, and other appliances remotely. This app allows you to manage multiple devices, set schedules, and monitor their status from anywhere in the world. Requires specific hardware to function.

**Highlights:** Control 3 switchable and 1 dimmable power outlet, Integrate up to 10 additional remote-controlled devices, Individually adjustable timer function for each outlet, Remote monitoring via OASE Cloud, Receive status reports via email

**Features:** macOS Compatibility

**In-app purchases:** none


### Hager flow

[App page](https://appshunter.io/ios/app/hager-flow/id1632405147)

This app intelligently manages your home's energy by balancing generation and consumption. It optimizes storage and charging of self-generated energy, offering features like Boost mode for electric vehicles and customizable charging settings.

**Highlights:** Intelligent energy management, PV power balancing, Energy storage optimization, EV charging control, Visualization of power data, Customizable charging modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FM free?

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

### Is Hager flow free?

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

### Do FM or Hager flow have ads?

Hager flow shows ads; FM does not.

### Which is updated more often, FM or Hager flow?

FM ships an update every 4 months, and Hager flow every 4 months. Most recently, FM was updated on October 6, 2026 and Hager flow on October 21, 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.*