Comparison

Sun Alarm Clock vs EventDay

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

EventDay

Features
Read full description

Countdown – Your Event Tracking. Countdown timer is your companion designed to elegantly track life's most important events and milestones. Stay organized, effortlessly manage your time, and enhance your anticipation for every cherished moment. KEY FEATURES: • Track an unlimited number of events—special occasions, important deadlines, personal milestones, and more. • Elegantly designed widget for your home screen, providing seamless access at a glance. • Intuitive, user-friendly interface with timely reminders to ensure you never miss an event. • Seamless synchronization across all your Apple devices using iCloud. Perfectly crafted to blend functionality with aesthetics, this countdown app ensures that you stay organized and delightfully excited about your upcoming events. Synchronize your lifestyle, celebrate meaningful moments. Countdown helps you track birthdays, holidays, anniversaries, weddings, parties, vacations, Christmas, New Year’s Eve, concerts, and retirement, so you never miss a special occasion. Privacy Policy: https://www.sweeftworx.com/dayscountdown/privacy-policy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sun Alarm Clock4 screens
EventDay4 screens

Verdict

The call

The clearest difference is price: Sun Alarm Clock at Free against EventDay's $2.99. EventDay's advantage is update cadence (weekly vs every 3 months) and iOS requirement (17.0 vs 26.1). On 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

Sun Alarm Clock is free to download; EventDay costs $2.99 up front. Sun Alarm Clock sells 3 in-app purchases, starting at $0.99 per month and EventDay sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sun Alarm Clock ships an update every 3 months, EventDay weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 7 level
Sun Alarm Clock versus EventDay: the parameters behind the verdict, then further details
ParameterSun Alarm ClockEventDay
PriceFree — better$2.99
Rating4.6 (27 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings27 — better—
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.117.0 — better
Further details — not scored
Size34 MB19 MB
Age rating4++4
DeveloperVolker Voecking Software EngineeringMaksims Kirhensteins

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

EventDay

Subscriptions3
  • Full Access$3.991 Month
  • Full Access$9.991 Year
  • Full Access3 Days trial$17.991 Year

Questions

Is Sun Alarm Clock free?
Sun Alarm Clock is free to download, with in-app purchases available.
Is EventDay free?
EventDay costs $2.99, and also offers in-app purchases.
Do Sun Alarm Clock or EventDay have ads?
Neither Sun Alarm Clock nor EventDay shows ads.
Which is updated more often, Sun Alarm Clock or EventDay?
Sun Alarm Clock ships an update every 3 months, and EventDay weekly. Most recently, Sun Alarm Clock was updated on November 3, 2026 and EventDay on November 4, 2026.

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