chasinglight vs Orbiting Sky
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Sunrise/sunset quality ratings
- 3-day quality forecast
- Golden hour times
- Nearby viewpoint recommendations
- Global location search
- Directional viewing cones
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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.
Orbiting Sky
Visualize celestial movements and shadows on an interactive map. Explore daylight, moonlight, twilight, and eclipses by moving through time and location. Understand solar and lunar positions, shadow lengths, and lunar phases.
- Interactive sky map
- Daylight and twilight visualization
- Sun and Moon elevation/azimuth
- Shadow projection and length
- Lunar phase and illumination
- Eclipse browser and visualization
- Time travel control
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See the sky’s rhythm on the map. Orbiting Sky turns any place and time into a clear, interactive view of daylight, moonlight, shadows, twilight, and eclipses. Move across the map, travel through time, and watch the geometry of the Sun and Moon change instantly. EXPLORE DAYLIGHT • See the moving day-and-night boundary • Distinguish civil, nautical, and astronomical twilight • Follow the subsolar point around Earth • Show sunlight and moonlight direction vectors UNDERSTAND YOUR SKY • View Sun and Moon elevation and true-north azimuth • Trace projected daily arcs above the local horizon • Estimate the direction and length of a vertical object’s shadow • Inspect lunar phase and illumination DISCOVER ECLIPSES • Browse solar and lunar eclipses visible from the selected location • Filter partial, annular, total, penumbral, and lunar events • Jump directly to each event’s local maximum • Visualize eclipse shadows on the world map CONTROL TIME • Choose any date and time • Play time forward or backward at multiple speeds • Use the selected location’s civil time zone • Search all IANA time zones or switch to UTC Orbiting Sky works on iPhone, iPad, and Mac, supports eight languages, and requires no account. Optional rewarded ads unlock 30 minutes of Pro access; a Pro purchase removes ads. Astronomical and shadow results are educational estimates. Do not use Orbiting Sky for navigation, eye-safety decisions, or professional eclipse-contact timing.
Screenshots
Verdict
The clearest difference is ads: chasinglight at none against Orbiting Sky's shown. chasinglight also leads on iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and update cadence 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
Both are free to download. chasinglight sells 3 in-app purchases, starting at $2.99 per 7 days and Orbiting Sky sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for chasinglight against 5.0 for Orbiting Sky. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on September 28, 2026 and October 9, 2026 respectively.
| Parameter | chasinglight | Orbiting Sky |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 days | Every 5 days |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 41 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Christopher Lim | PrairieSoft LLC |
Customer experience
chasinglight
Orbiting Sky
In-app purchases
chasinglight
- Week Pass$2.997 Days
- Monthly$6.991 Month
- Annual$29.991 Year
Orbiting Sky
- DayArc Pro Lifetime$7.99
Questions
Is chasinglight free?
Is Orbiting Sky free?
Which has better reviews, chasinglight or Orbiting Sky?
Do chasinglight or Orbiting Sky have ads?
Which is updated more often, chasinglight or Orbiting Sky?
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