Comparison

Sun Alarm vs Skylight

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

Head to head
About

Sun Alarm

Never miss a sunrise or sunset with this app. It calculates solar event times for your location and allows you to set custom notifications. Stay in sync with natural light cycles for photography or daily planning.

Highlights
  • Sunrise and sunset time calculation
  • Customizable event notifications
  • Real-time location updates
  • Countdown to sun events
  • 12/24 hour time format toggle
  • Apple Watch support
Features
Read full description

Don't miss a sunrise or sunset again. Whether you want to live with the sun, do nice photos or just want to know when it's getting dark. This app calculates the sunrise and sunset times for your current location and lets you set up a notification for each event. Features: - Set alarms for sunset and -rise independently - Fires the notification before, after or at the exact time - Counts down to the next sun events - Updates while you move to the sunrise/set times of your current location - Toggle between 12 and 24 hours - Supports the Apple Watch - iPad multitasking (split-view) support

About

Skylight

This app helps you experience more sunlight by creating routines around sunrise, solar noon, and sunset. It provides visual displays and notifications for sun events, helping you adjust your daily life for better well-being and photography.

Highlights
  • Sunrise and sunset routines
  • Solar noon reminders
  • Golden Hour alerts
  • Seasonal sunlight tracking
  • Configurable widgets
  • Apple Watch complications
  • Yearly sun event view
Features
Read full description

Make time for the light around you. Skylight helps you see how much daylight remains and plan a morning walk, a golden hour photo, or a moment outside before sunset. Explore sun times for your location and date through beautiful, scientifically-accurate charts, Home Screen widgets, and reminders that help you catch the moments you care about. Follow the changing length of days through the seasons. Look ahead to summer’s long evenings or watch daylight gradually return after the winter solstice. Available for iPhone, iPad, and Apple Watch. Features include: - Follow the sun’s position throughout the day with a fluid visual display. - Set notifications for daily and yearly sun events. - Keep daylight in view with three configurable widgets: Year Graph, Daylight Graph, and Gradient. - Check remaining daylight and upcoming events on your Apple Watch, including directly on your watch face. - Explore a full year of sun times and seasonal changes in daylight. - Learn about sun events and discover how their timing changes throughout the year. - Look up sun times for past and future dates and locations around the world. - Choose time modes for everyday use, photography, and science. - Use Siri and Shortcuts to look up sun times, get a daylight summary, and set sun event notifications. Optional background location updates help keep notifications aligned with your location as you travel. Skylight is an indie app from the creators of Magic Window. We make beautiful software that helps people connect with the world around them. Questions or suggestions? Contact us at support@jetsoncreative.com.

Screenshots

Sun Alarm4 screens
Skylight4 screens

Verdict

The call

The clearest difference is review sentiment: Skylight at 73% against Sun Alarm's 0%. Skylight also leads on price (Free vs $1.99) and rating (4.8 vs 3.0). Sun Alarm's advantage is iOS requirement (15.6 vs 26.0). On ads, in-app purchases, monetization model 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

Skylight is free to download; Sun Alarm costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Skylight holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Skylight has 107 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Sun Alarm's written reviews are positive against 73% of Skylight's.

UpkeepUpdate frequency

Sun Alarm ships an update every 3 months, Skylight every 6 weeks. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard6 real differences · 4 level
Sun Alarm versus Skylight: the parameters behind the verdict, then further details
ParameterSun AlarmSkylight
Price$1.99Free — better
Rating3.0 (2 ratings)4.8 (107 ratings) — better
Positive reviews0.0% of reviews73.3% of reviews — better
Number of ratings2107 — better
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.6 — better26.0
Further details — not scored
Size1 MB111 MB
Age rating4+4+
DeveloperPiet JonasJetson Creative LLC

Customer experience

Sun Alarm

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Skylight

All ratings107 ratings
Positive95.3%
Neutral0.9%
Negative3.7%
Written reviews15 reviews
Positive73.3%
Neutral13.3%
Negative13.3%

In-app purchases

None

Sun Alarm

No in-app purchases

None

Skylight

No in-app purchases

Questions

Is Sun Alarm free?
Sun Alarm costs $1.99, with no in-app purchases.
Is Skylight free?
Skylight is free to download, with no in-app purchases.
Which has better reviews, Sun Alarm or Skylight?
Skylight is rated higher. Sun Alarm averages 3.0 out of 5 from 2 ratings, while Skylight averages 4.8 from 107 ratings.
Do Sun Alarm or Skylight have ads?
Neither Sun Alarm nor Skylight shows ads.
Which is updated more often, Sun Alarm or Skylight?
Sun Alarm ships an update every 3 months, and Skylight every 6 weeks. Most recently, Sun Alarm was updated on November 1, 2026 and Skylight on October 29, 2026.

Other comparisons