Comparison

Aurora Eos vs Aurora Watcher

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Aurora Eos

Read full description

Never miss the Northern Lights again. Aurora Eos delivers precise KP index forecasts, real-time geomagnetic data, and solar wind predictions—all in one beautifully designed app. Plan your aurora hunting adventures with confidence using our accurate 3-day forecasts and location-based predictions. Our intuitive interface transforms complex space weather science into clear, actionable insights that help you catch the aurora at the perfect moment. Key Features ▶ Accurate 3-Day KP Index Forecasts Get precise aurora predictions with our advanced KP index forecasting system. We analyze geomagnetic data from multiple trusted sources to deliver reliable 3-day forecasts that help you plan your aurora viewing trips with confidence. ▶ Real-Time Geomagnetic Monitoring Stay informed with live geomagnetic activity tracking and solar wind data. Our app continuously monitors space weather conditions and alerts you the moment aurora conditions become optimal in your location. ▶ Instant Aurora Alerts Never miss an aurora opportunity. Receive push notifications when KP index reaches optimal levels for your area. Set custom alert thresholds and get notified whether you're at home or traveling to prime aurora viewing locations. Additional Features ▶ 3D Aurora Oval Follow the live aurora oval and see where northern lights may appear. Stay informed with live geomagnetic activity tracking and solar wind data. ▶ The Easiest Aurora Forecast Read the easiest aurora forecast with solar and Earth weather together. Never miss the Northern Lights again. ▶ KP Forecast Widgets Check KP forecast widgets and aurora chances without opening the app. Never miss an aurora opportunity. ▶ 3-Day KP Forecast Compare KP index, cloud cover, and darkness across a 3-day forecast. Get precise aurora predictions with our advanced KP index forecasting system. ▶ Flight Path Planning Plan flight paths and find aurora viewing windows along your route. Plan your aurora hunting adventures with confidence using our accurate 3-day forecasts and location-based predictions. ▶ Expert Data Made Easy Understand solar wind and space weather data without expert jargon. Our intuitive interface transforms complex space weather science into clear, actionable insights that help you catch the aurora at the perfect moment. Turn complex aurora science into a clear forecast. Get notified when KP index conditions are optimal, track geomagnetic activity in real time, and visualize aurora patterns with 3D models. Whether you're planning a trip or checking tonight, Aurora Eos helps you get ready for the Northern Lights. [Contact & Support] Email: skyu.dev@gmail.com - Terms of Use: https://labs.quartz.best/en-US/aurora-eos/terms-of-use - Privacy Policy: https://labs.quartz.best/en-US/aurora-eos/privacy-policy

About

Aurora Watcher

This app helps you find and track the Northern Lights in Canada. It provides real-time aurora observability, forecasts for cities, and global geomagnetic activity. An interactive map shows the best viewing locations worldwide.

Highlights
  • Real-time aurora observability
  • City-specific aurora forecasts
  • Global geomagnetic activity tracking
  • Detailed sky and weather conditions
  • Interactive viewing location map
Read full description

Aurora Watcher is your all-in-one guide for chasing the Northern Lights in Canada. Check real-time aurora observability and forecast for individual cities, track global geomagnetic activity, and explore detailed sky and weather conditions. Use the interactive map to instantly find the best viewing locations near you — or anywhere in the world. Whether you're an enthusiast, a traveller, or a seasoned aurora hunter, Aurora Watcher keeps you one step ahead of the sky.

Screenshots

Aurora Eos4 screens
Aurora Watcher4 screens

Verdict

The call

The clearest difference is in-app purchases: Aurora Watcher at none against Aurora Eos's 3. On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Aurora Eos sells 3 in-app purchases, starting at $5.99 per month. Aurora Watcher asks for nothing beyond the download.

UpkeepUpdate frequency

Aurora Eos ships an update every 9 days, Aurora Watcher fortnightly. The most recent releases landed on October 26, 2026 and October 12, 2026 respectively.

Scorecard1 real difference · 6 level
Aurora Eos versus Aurora Watcher: the parameters behind the verdict, then further details
ParameterAurora EosAurora Watcher
PriceFreeFree
Update frequencyEvery 9 days — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.6
Further details — not scored
Size69 MB33 MB
Age rating4+4+
DeveloperSeokyoung YouAuraxis Technologies Inc.

In-app purchases

3 purchases

Aurora Eos

Subscriptions2
  • Monthly Pro3 Days trial$5.991 Month
  • Yearly Pro3 Days trial$29.991 Year
One-time1
  • Pro Plan for lifetime$69.99
None

Aurora Watcher

No in-app purchases

Questions

Is Aurora Eos free?
Aurora Eos is free to download, with in-app purchases available.
Is Aurora Watcher free?
Aurora Watcher is free to download, with no in-app purchases.
Do Aurora Eos or Aurora Watcher have ads?
Neither Aurora Eos nor Aurora Watcher shows ads.
Which is updated more often, Aurora Eos or Aurora Watcher?
Aurora Eos ships an update every 9 days, and Aurora Watcher fortnightly. Most recently, Aurora Eos was updated on October 26, 2026 and Aurora Watcher on October 12, 2026.

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