Content rating
Everyone
1+
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Content rating
Everyone
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Screenshot image
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About this app

DARKER — Environmental Monitoring System

DARKER isn't your average weather app. It's an environmental analysis system that translates weather conditions into two alerts that really matter: the probability of a MUTO invasion and the exact moment you can hang your laundry out to dry without getting caught in the rain.

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🔴 MUTO ALERT

Based on temperature, humidity, wind, and atmospheric pressure, DARKER calculates in real time the probability of MUTOs being active in your area. The result ranges from 0% (hostile terrain for them) to 100% (imminent invasion).

Are you kidding? Partly. But the weather data is completely real.

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👕 OPTIMUM CLOTHESLINE

Analyze the forecast for the next 48 hours and find the optimal time to hang clothes outdoors: no rain, suitable temperature, low humidity, and enough wind for proper drying.

No more looking at the sky and hoping for the best. DARKER tells you exactly when.


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⚙️ HOW IT WORKS

DARKER uses your location to query the Open-METEO API, an open-source, ad-free weather service. You don't need to create an account. There are no subscriptions. Your data is not stored.


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✦ No account or registration required
✦ No ads
✦ Real-time weather data
✦ Works anywhere in the world
✦ Dark interface designed to be easy on the eyes
Updated on
May 5, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

What’s new

Mejoras en Alerta MUTO:
- Nuevo factor de habitat rural/urbano para estimar mejor el riesgo de encontrar MUTOs.
- Nuevo grimorio desplegable que explica de dónde sale el porcentaje de alerta.
- Ajustes visuales y de estabilidad en la pantalla de alerta.
Content rating
Everyone
Learn more

App support

About the developer
Alejandro Iglesias Peinado
alejandroip@gmail.com
Spain