# FM vs LYNK Pro

The clearest difference is review sentiment: FM at 43% against LYNK Pro's 0%. FM also leads on iOS requirement (9.3 vs 12.0). On price, update cadence, 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.

FM ships an update every 4 months, LYNK Pro every 3 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FM | LYNK Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **42.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 62 MB | 84 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OASE GmbH](https://appshunter.io/developer/642838336) | [Giesemann Lichttechnik und Aquaristik GmbH](https://appshunter.io/developer/1062255163) |

## 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


### LYNK Pro

[App page](https://appshunter.io/ios/app/lynk-pro/id6456609506)

Control smart aquarium lighting with preset programs and advanced features like sunrise/sunset and weather simulations. It's designed for specific Giesemann devices and will expand to support more smart aquarium products.

**Highlights:** User-friendly interface, Preset lighting programs, Sunrise/sunset simulation, Lunar cycle simulation, Weather simulation, Acclimation program (in preparation)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FM free?

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

### Is LYNK Pro free?

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

### Do FM or LYNK Pro have ads?

Neither FM nor LYNK Pro shows ads.

### Which is updated more often, FM or LYNK Pro?

FM ships an update every 4 months, and LYNK Pro every 3 months. Most recently, FM was updated on October 6, 2026 and LYNK Pro on October 10, 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.*