# PULSAR - Aurores boréales > Real-time aurora borealis forecasts, alerts and space weather. Canonical page: [https://chrome-stats.com/d/com.pulsarsi.app](https://chrome-stats.com/d/com.pulsarsi.app) ## Overview - **ID:** `com.pulsarsi.app` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Pulsar Space Intelligence Lab - **Category:** WEATHER - **Downloads:** 44,412 - **Version:** 5.5.60 - **Last updated:** 2026-08-12 - **First published:** 2026-05-20 - **Publisher country:** FR - **Size:** 55 MB - **Data as of:** 2026-10-14 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.pulsarsi.app) - **Website:** [https://www.pulsar-si.com](https://www.pulsar-si.com/) - **Privacy policy:** [https://www.pulsar-si.com/p/confidentialite/](https://www.pulsar-si.com/p/confidentialite/) ## Description Pulsar is the go-to app for aurora hunters and space weather enthusiasts. Track solar activity live, get an alert as soon as conditions are favorable overhead, and never miss an aurora again.

WHY PULSAR?

• Real-time NOAA/ESA data (DSCOVR, ACE, GOES, SOHO satellites)
• Personalized aurora probability based on your GPS location, continuously updated
• Interactive 3D globe with the northern and southern auroral ovals (OVATION model)
• Smart push notifications
• 100% in French

FREE FEATURES
• Kp index, Dst, F10.7, solar wind (speed, density, Bz)
• 90-day history of all indices
• Live aurora probability at your location
• 3D globe: northern & southern auroral ovals, sun position, satellites
• Proton and X-ray flux (radio blackout alerts)
• Map of the total solar eclipse of August 12, 2026 (GPS coverage + clouds)
• 48-hour Kp forecast
• Anomaly detection (solar wind ≥ 800 km/s, G1–G5 storms)
• 1 personalized alert (Kp + cloud cover)

PULSAR PREMIUM - €3.99/month or €29.99/year (7-day free trial)
• Extended Kp forecasts up to 168 hours
• Unlimited personalized alerts (Kp, Bz, wind, clouds, location, etc.)
• Daily AI analysis: what's happening, what to watch for
• Trip planner
• No ads

WHO IS IT FOR?

• Aurora photographers who want to travel at the right time
• Travelers in Iceland, Norway, Finland, Canada, and Scotland
• Those curious about solar weather, eclipses, and solar flares
• Amateur astronomers and astronomy clubs
• Anyone who dreams of seeing an aurora from mainland France

HOW DOES IT WORK?

Pulsar combines numerous real-time parameters to calculate the probability of an aurora visible from your location. This is cross-referenced with cloud cover data to ensure you are only alerted if the sky will be clear.

DATA & PRIVACY
• Geolocation used only for local forecasts (optional)
• Encrypted accounts (bcrypt), JWT, sovereign hosting in France (OVH)
• NOAA SWPC and ESA Space Weather data, official scientific sources

AUGUST 12, 2026 ECLIPSE
Pulsar includes a dedicated map for the next total solar eclipse visible from France and Spain: GPS trajectory, duration of totality per city, cloud cover forecast 7 days prior.

TEAM
Pulsar is developed in France by a team passionate about astronomy and satellite operations. A professional version ("Pulsar Ops") is also available for satellite operators - see pulsar-si.com.

A question, a suggestion? Write to us: app@pulsar-si.com

Website: https://www.pulsar-si.com
Terms and Conditions & Privacy Policy: https://www.pulsar-si.com/p/confidentialite/ ## Rankings - #320,301 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_CUSTOM_AUDIENCE` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_COARSE_LOCATION` - `android.permission.ACCESS_FINE_LOCATION` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.CAMERA` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.USE_BIOMETRIC` - `android.permission.USE_CREDENTIALS` - `android.permission.USE_FINGERPRINT` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.pulsarsi.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Aurora Tracker - Polar Lights](https://chrome-stats.com/d/com.praezisus.auroratracker) — 235 users - [Aurora Alert: Northern Lights](https://chrome-stats.com/d/com.mexar.auroraalert) — 536 users - [Aurorapp Northern Lights](https://chrome-stats.com/d/io.aurora.start) — 23,556 users, 3.00 / 5 - [Aurora Forecast by Aurora Labs](https://chrome-stats.com/d/com.auroralabsnorway.forecast) — 168,822 users, 3.68 / 5 - [My Aurora Forecast & Alerts](https://chrome-stats.com/d/com.jrustonapps.myauroraforecast) — 6,304,891 users, 4.65 / 5 - [AuroraWatch: Northern Lights](https://chrome-stats.com/d/com.aurorawatch.pro) — 337 users - [My Aurora Forecast Pro](https://chrome-stats.com/d/com.jrustonapps.myauroraforecastpro) — 95,510 users, 4.83 / 5 - [Aurora Compass－Northern Lights](https://chrome-stats.com/d/com.auroracompass) — 72,573 users, 4.70 / 5 - [Aurora Alert & Northern Lights](https://chrome-stats.com/d/com.milena.sr.auroraforecast) — 79 users - [Aurora Eos: KP Alert Forecast](https://chrome-stats.com/d/com.quartz.auroraeos) — 285 users - [Borealis Buddy: Aurora Alerts](https://chrome-stats.com/d/com.borealisbuddy.app) — 116 users - [AuroraNow](https://chrome-stats.com/d/com.auroranow.android) — 11 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.pulsarsi.app)