Comparison

Aurora Compass vs Sunny Days Ahead

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

Head to head
About

Aurora Compass

This app provides aurora forecasts and alerts, helping users find the best conditions to see the northern or southern lights. It offers detailed space weather data, real-time geomagnetic activity, and a cloudiness filter for accurate predictions.

Highlights
  • Aurora alert notifications
  • Geomagnetic activity tracking
  • Aurora forecast map
  • Real-time aurora probability
  • Solar image animation
  • Cloudiness forecast
  • Darkness tool
Features
Read full description

Aurora Compass is a free aurora and space weather forecast app with no ads or paywalls. With it, you'll get all the data you need to catch the northern or southern lights in a layout that’s simple for beginners, yet detailed for experienced aurora chasers. The main features include: • Aurora alert notifications with cloudiness filter • Near real-time geomagnetic activity from over 110 magnetometers • Aurora forecast map with observation sharing tool • Current and forecasted aurora probability in your location • Solar image animation with x-ray chart and solar regions • WSA-Enlil solar wind forecast animation • Darkness tool to see when it'll be dark • Moon rise, set and phase information • Cloudiness forecast • Solar wind charts • Kp forecasts • Color theme for people with red-green colorblindness

About

Sunny Days Ahead

Features
Read full description

Explore the world with sunny days ahead You wan't to travel to Palma de Mallorca but don't know what month may be the best? With Sunny Days Ahead you get detailed climate insights about sunshine hours, average precipitation (rain) and more for any month. Based on the last hundert years you will always know where the sun shines the most and what months are the best for your travel. Discover detailed climate data for any place on earth We provide you with the following data: sunshine hours, average daylight, average perception, best months to travel to this city Explore the sunniest cities for any month With our monthly overview you will get insights into the top 40 sunniest places and cities around the world for this month. So even in winter you will know where to find that sunshine! You can find the Licensed Application End User License Agreement for the app here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Aurora Compass4 screens
Sunny Days Ahead4 screens

Verdict

The call

The clearest difference is in-app purchases: Sunny Days Ahead at none against Aurora Compass's 8. Sunny Days Ahead also leads on update cadence (fortnightly vs every 5 weeks). Aurora Compass's advantage is iOS requirement (16.6 vs 26.2). On price, 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 Compass sells 8 one-off in-app purchases. Sunny Days Ahead asks for nothing beyond the download.

UpkeepUpdate frequency

Aurora Compass ships an update every 5 weeks, Sunny Days Ahead fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Aurora Compass versus Sunny Days Ahead: the parameters behind the verdict, then further details
ParameterAurora CompassSunny Days Ahead
PriceFreeFree
Rating4.8 (9 ratings) — better—
Positive reviews85.7% of reviews—
Number of ratings9 — better—
Update frequencyEvery 5 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better26.2
Further details — not scored
Size67 MB199 MB
Age rating4+4+
DeveloperOtto Ranta-OjalaSFJ Capital UG

In-app purchases

8 purchases

Aurora Compass

One-time8
  • Pastel Color Palette$1.99
  • Black and White Palette$1.99
  • Pink Color Palette$1.99
Show 5 more
  • Purple Color Palette$1.99
  • IBM Color Palette$1.99
  • Mint Color Palette$4.99
  • Gold Color Palette$9.99
  • Diamond Color Palette$29.99
None

Sunny Days Ahead

No in-app purchases

Questions

Is Aurora Compass free?
Aurora Compass is free to download, with in-app purchases available.
Is Sunny Days Ahead free?
Sunny Days Ahead is free to download, with no in-app purchases.
Do Aurora Compass or Sunny Days Ahead have ads?
Neither Aurora Compass nor Sunny Days Ahead shows ads.
Which is updated more often, Aurora Compass or Sunny Days Ahead?
Aurora Compass ships an update every 5 weeks, and Sunny Days Ahead fortnightly. Most recently, Aurora Compass was updated on November 3, 2026 and Sunny Days Ahead on November 5, 2026.

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