# Rademacher vs SECURY’LIGHT

The clearest difference is rating: Rademacher at 4.8 against SECURY’LIGHT's 2.5. SECURY’LIGHT's advantage is iOS requirement (11.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rademacher holds the better App Store score, 4.8 against 2.5. Both are backed by a comparable volume of ratings — 8 and 15 respectively.

Rademacher ships an update every 7 months, SECURY’LIGHT every 3 months. The most recent releases landed on September 17, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | Rademacher | SECURY’LIGHT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8 ratings)](https://appshunter.io/ios/app/rademacher/id458037582/reviews)** | [2.5 (15 ratings)](https://appshunter.io/ios/app/securylight/id1166055646/reviews) |
| Number of ratings | 8 | **15** |
| Positive reviews | — | 22.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 38 MB | 56 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DELTA DORE RADEMACHER GmbH](https://appshunter.io/developer/458037585) | [Lutec](https://appshunter.io/developer/1166054497) |

## What reviewers say

### Rademacher

[App page](https://appshunter.io/ios/app/rademacher/id458037582)

Control your integrated DuoFern smart home devices remotely via smartphone or tablet. Monitor device status, adjust settings like temperature and lighting, and receive push notifications for updates. Configure your central unit, set up automations, and create custom scenes.

**Highlights:** Remote device control, Real-time status monitoring, Customizable dashboard, Push notifications, Thermostat and shutter controls, Automation and scene creation, Central unit configuration

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

**In-app purchases:** none


### SECURY’LIGHT

[App page](https://appshunter.io/ios/app/securylight/id1166055646)

Monitor your home with a smart camera and integrated LED lights. View live footage, communicate via two-way audio, and receive motion detection alerts on your mobile device. Customize security settings and light behavior for complete control.

**Highlights:** Live video and audio streaming, Two-way voice communication, Adjustable security presets (LOW, MIDDLE, HIGH, CUSTOM), Customizable PIR sensor settings, Motion detection alerts with recording, Adjustable light brightness and duration

**In-app purchases:** none


## Frequently asked questions

### Is Rademacher free?

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

### Is SECURY’LIGHT free?

SECURY’LIGHT is free to download, with no in-app purchases.

### Which has better reviews, Rademacher or SECURY’LIGHT?

Rademacher is rated higher. Rademacher averages 4.8 out of 5 from 8 ratings, while SECURY’LIGHT averages 2.5 from 15 ratings.

### Do Rademacher or SECURY’LIGHT have ads?

Neither Rademacher nor SECURY’LIGHT shows ads.

### Which is updated more often, Rademacher or SECURY’LIGHT?

Rademacher ships an update every 7 months, and SECURY’LIGHT every 3 months. Most recently, Rademacher was updated on September 17, 2026 and SECURY’LIGHT on June 9, 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.*