Comparison

chasinglight vs Sunlane

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

Head to head
About

chasinglight

This app predicts and rates the quality of sunrises and sunsets using real-time atmospheric data. It provides a 3-day forecast, highlights nearby viewing spots, and allows exploration of global locations.

Highlights
  • Sunrise/sunset quality ratings
  • 3-day quality forecast
  • Golden hour times
  • Nearby viewpoint recommendations
  • Global location search
  • Directional viewing cones
Read full description

Never miss a great sunrise or sunset again. chasinglight uses real-time atmospheric data to anticipate and rate the quality of every sunrise and sunset — scored Poor through Great — so you always know whether the sky is worth stepping outside for. QUALITY RATINGS Know before you go. chasinglight scores today's sunrise and sunset quality based on cloud cover, humidity, and atmospheric conditions. A simple rating — Poor, Fair, Good, or Great — tells you instantly whether it's worth chasing. 3-DAY FORECAST Plan ahead with sunrise and sunset quality forecasts for the next 3 days, including golden hour times and first light / last light. BEST SPOTS NEAR YOU The Spots tab finds the best nearby viewpoints, waterfront parks, hilltops, and beaches — ranked and scored for the perfect view. A directional cone on the map shows exactly where to look for the best light. EXPLORE ANYWHERE Planning a trip? Search any city in the world for sunrise and sunset quality and timings before you go. From Santorini to Maui to Boracay — know what the sky has in store. WHAT'S FREE - Sunrise & sunset times - Quality rating & forecast - 3-day outlook - Golden hour times SPOTS TAB — WEEK PASS, MONTHLY & ANNUAL Unlock the full Spots tab with curated viewpoints across Hawaii, Southeast Asia, Europe, the Americas, and beyond. Perfect for travelers. - Week Pass — $2.99 for 7 days, perfect for a trip - Monthly — $6.99/month - Annual — $29.99/year (save $54 vs monthly) Terms of Use: https://chasinglight.app/terms The sun has risen and set every day for 4.5 billion years. Don't miss the next great one.

About

Sunlane

Features
Read full description

Sunlane tells you when direct sunlight actually reaches a spot — after the buildings, trees and hills in front of it. Point your iPhone at a window, balcony, garden bed or campsite. Hold the button and sweep along the rooftops and treetops. The sun's path is drawn over the camera view, and it goes dark wherever the skyline blocks it. You get the answer at once: how many hours of direct sun today, and exactly when. WHY IT'S DIFFERENT • Your real skyline, not a map. Other sun apps show the theoretical path; Sunlane uses the tree across the street and the tower next door. • Align with the real sun. Compasses drift. Put the sun in the ring and tap once to correct the heading. • Honest about what it knows. Directions you didn't sweep count as open sky, and the result shows how much you traced. FREE • Today's sun path over the camera • Skyline tracing and today's direct-sun hours and windows • One saved place • UV today: a clear-sky UV estimate for your spot, plus an SPF reapply timer (1 a day) SUNLANE FULL — ONE PAYMENT, NO SUBSCRIPTION • Any date, including the winter solstice • Direct-sun hours for every month of the year • Unlimited saved places • Unlimited SPF reapply timers • Moon and Milky Way core above your skyline • A share card for a landlord, partner or client Great for flat hunting, gardening, solar panels, photography and camping. Everything is calculated on your iPhone. No account, no server, nothing uploaded. Sunlane computes geometry — it does not forecast clouds.

Screenshots

chasinglight4 screens
Sunlane4 screens

Verdict

The call

The clearest difference is in-app purchases: Sunlane at none against chasinglight's 3. chasinglight's advantage is update cadence (every 5 days vs every 2 weeks) and iOS requirement (15.1 vs 26.0). 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. chasinglight sells 3 in-app purchases, starting at $2.99 per 7 days. Sunlane asks for nothing beyond the download.

UpkeepUpdate frequency

chasinglight ships an update every 5 days, Sunlane every 2 weeks. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 6 level
chasinglight versus Sunlane: the parameters behind the verdict, then further details
ParameterchasinglightSunlane
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better26.0
Further details — not scored
Size41 MB8 MB
Age rating4+4+
DeveloperChristopher LimJIYULMOM

In-app purchases

3 purchases

chasinglight

Subscriptions3
  • Week Pass$2.997 Days
  • Monthly$6.991 Month
  • Annual$29.991 Year
None

Sunlane

No in-app purchases

Questions

Is chasinglight free?
chasinglight is free to download, with in-app purchases available.
Is Sunlane free?
Sunlane is free to download, with no in-app purchases.
Do chasinglight or Sunlane have ads?
Neither chasinglight nor Sunlane shows ads.
Which is updated more often, chasinglight or Sunlane?
chasinglight ships an update every 5 days, and Sunlane every 2 weeks. Most recently, chasinglight was updated on October 14, 2026 and Sunlane on October 18, 2026.

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