Comparison

Sun Alarm Clock vs At Dusk

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

Head to head
About

Sun Alarm Clock

Wake up to natural celestial events. This app sets alarms for sunrise, sunset, moon phases, and twilight periods, adapting to your location and daylight saving changes. Customize offsets and manage multiple alarms easily.

Highlights
  • Alarms for sunrise and sunset
  • Moonrise and moonset alarms
  • Twilight and golden hour alerts
  • Customizable offsets
  • Location-aware timing
  • Supports multiple alarms
Read full description

Wake up with the sun. Never miss golden hour. Sun Alarm turns sunrise, sunset, and other sun and moon events into reliable daily alarms — at any place on Earth. **Set alarms for natural events** • Sunrise and sunset • Solar noon • Golden hour and blue hour (morning and evening) • Civil, nautical, and astronomical twilight • Moonrise, moonset, and moon transit • Moon phases: full moon, new moon, first quarter, third quarter, crescents, gibbous • Custom sun altitude (e.g. “sun 5° above horizon”) • Next equinox and solstice **Flexible timing** • At the exact event time, or any number of hours and minutes before or after • Alarms follow the event every day (or next occurrence for moon phases and equinox/solstice) **Any location** • Choose a place on the map or search for a city • Correct time zone for the chosen location, so alarm times stay accurate when you travel or when daylight saving changes **Designed for daily use** • Multiple alarms, each with its own type, place, and offset • Optional names • Snooze and clear from Lock Screen and notifications SunAlarm uses your chosen location’s coordinates and time zone to compute event times, so you get one less thing to think about—and one more reason to look up at the sky. By using SunAlarm, you agree to Apple's standard Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

At Dusk

This app provides photographers with real-time light quality, precise sunrise/sunset times, and the sun's path. It integrates live weather data to help users determine the best times for shooting and avoid missing magic hours.

Highlights
  • Live light quality score and color temperature
  • Precise golden hour, sunrise, and sunset times
  • Usable light remaining countdown
  • Live sun and moon path visualization
  • Detailed sky phases and twilight information
  • Integrated live weather data
  • Home-screen widgets for at-a-glance info
Read full description

At Dusk: Your Natural Light Companion For photographers who live and die by the light. At Dusk tells you how good the light is right now, how long it will last, and exactly when the magic hours arrive, so you're never guessing and never caught out. A precise light engine blends solar and lunar geometry with live weather, elevation, and air quality, turning "is it worth heading out?" into a single glance. WHAT YOU GET • Live light quality. A clear read on the light right now, from Poor to Excellent, with the exact score and color temperature. • Golden hour, sunrise, sunset. Precise times and countdowns, with compass bearings so you know where the sun will rise and set. • Usable light remaining. How much shooting light you actually have left before the window closes. • The sun's path. A live arc across your sky showing the sun's real position, altitude, and direction, moment to moment. • The moon, in full. Phase and illumination, moonrise and moonset with bearings, and dark-sky windows for astro and night work. • Sky Detail. A dedicated sun and moon compass with every light phase, from golden and blue hour to civil, nautical, and astronomical twilight. • Live weather. Cloud, humidity, wind, and UV, folded straight into the light picture. • Home-screen widgets. Your usable light, live sun arc, and light quality at a glance, all day. • Built for iPad. A full dashboard that puts everything on one screen at once. • Make it yours. Customizable themes and a clean, glare-free design tuned for the field. Premium and ad-free. No accounts, no clutter, just the light. Made for landscape, portrait, wedding, and travel photographers, and anyone chasing dawn, dusk, and every good hour in between.

Screenshots

Sun Alarm Clock4 screens
At Dusk4 screens

Verdict

The call

The clearest difference is rating: Sun Alarm Clock at 4.6 against At Dusk's 1.0. Sun Alarm Clock also leads on ratings volume (27 vs 1). At Dusk's advantage is update cadence (every 2 days vs every 3 months) and monetization model (free vs freemium). On price, ads, in-app purchases 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. Sun Alarm Clock sells 3 in-app purchases, starting at $0.99 per month and At Dusk sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sun Alarm Clock holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Sun Alarm Clock has 27 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Sun Alarm Clock ships an update every 3 months, At Dusk every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
Sun Alarm Clock versus At Dusk: the parameters behind the verdict, then further details
ParameterSun Alarm ClockAt Dusk
PriceFreeFree
Rating4.6 (27 ratings) — better1.0 (1 ratings)
Positive reviews66.7% of reviews—
Number of ratings27 — better1
Update frequencyEvery 3 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.117.6 — better
Further details — not scored
Size34 MB8 MB
Age rating4+4+
DeveloperVolker Voecking Software EngineeringDat Pham

Customer experience

Sun Alarm Clock

All ratings27 ratings
Positive92.6%
Neutral0.0%
Negative7.4%
Written reviews9 reviews
Positive66.7%
Neutral11.1%
Negative22.2%

At Dusk

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

3 purchases

Sun Alarm Clock

Subscriptions2
  • Premium (Monthly)$0.991 Month
  • Premium (Yearly)$9.991 Year
One-time1
  • Premium (One-Time Purchase)$29.99
3 purchases

At Dusk

One-time3
  • At Dusk Small Tip$0.99
  • At Dusk Medium Tip$2.99
  • At Dusk Large Tip$4.99

Questions

Is Sun Alarm Clock free?
Sun Alarm Clock is free to download, with in-app purchases available.
Is At Dusk free?
At Dusk is free to download, with in-app purchases available.
Which has better reviews, Sun Alarm Clock or At Dusk?
Sun Alarm Clock is rated higher. Sun Alarm Clock averages 4.6 out of 5 from 27 ratings, while At Dusk averages 1.0 from 1 ratings.
Do Sun Alarm Clock or At Dusk have ads?
Neither Sun Alarm Clock nor At Dusk shows ads.
Which is updated more often, Sun Alarm Clock or At Dusk?
Sun Alarm Clock ships an update every 3 months, and At Dusk every 2 days. Most recently, Sun Alarm Clock was updated on November 3, 2026 and At Dusk on October 30, 2026.

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