Comparison

Sun Alarm Clock vs EchoPaper

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

EchoPaper

Features
Read full description

EchoPaper makes it effortless to capture ideas, meetings, and thoughts. Simply speak, and your words become structured, searchable notes. Powered by on-device Whisper transcription and AI summaries, EchoPaper transforms messy recordings into clear, actionable knowledge. Whether you are a student, journalist, professional, or creative, EchoPaper helps you remember more, organize better, and stay focused. Key Features • One-tap voice capture – start recording instantly on iPhone, iPad, or Apple Watch. • Accurate transcription – powered by Whisper, running locally for privacy and speed. • AI summaries and rewrites – get concise highlights, clean paragraphs, or action lists. • Smart note organization – add tags, search by keyword or meaning, and group notes. • Task extraction and reminders – automatically detect todos and sync with Calendar or Reminders. • Semantic search – find notes even when you cannot remember the exact words. • CloudKit sync – secure, private, and seamless across all Apple devices. • Apple Watch support – raise your wrist to record instantly, mark key moments. • Minimal and modern design – inspired by the Liquid Glass aesthetics of iOS 26. Why EchoPaper? • Built with privacy in mind: notes and audio stay on your device unless you choose cloud AI. • Designed for clarity: simple UI, powerful AI features. • Always with you: synced securely across iPhone, iPad, Mac, and Apple Watch. Turn every echo of your voice into paper clarity.

Screenshots

Sun Alarm Clock4 screens
EchoPaper4 screens

Verdict

The call

The clearest difference is update cadence: EchoPaper at every 2 days against Sun Alarm Clock's every 3 months. EchoPaper also leads on iOS requirement (18.0 vs 26.1). 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 EchoPaper sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

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

Scorecard2 real differences · 8 level
Sun Alarm Clock versus EchoPaper: the parameters behind the verdict, then further details
ParameterSun Alarm ClockEchoPaper
PriceFreeFree
Rating4.6 (27 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings27 — better—
Update frequencyEvery 3 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS26.118.0 — better
Further details — not scored
Size34 MB16 MB
Age rating4+4+
DeveloperVolker Voecking Software EngineeringHIROMOTO TSUJI

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

EchoPaper

One-time3
  • Coffee$0.99
  • Notebook$2.99
  • Pen$4.99

Questions

Is Sun Alarm Clock free?
Sun Alarm Clock is free to download, with in-app purchases available.
Is EchoPaper free?
EchoPaper is free to download, with in-app purchases available.
Do Sun Alarm Clock or EchoPaper have ads?
Neither Sun Alarm Clock nor EchoPaper shows ads.
Which is updated more often, Sun Alarm Clock or EchoPaper?
Sun Alarm Clock ships an update every 3 months, and EchoPaper every 2 days. Most recently, Sun Alarm Clock was updated on November 3, 2026 and EchoPaper on October 30, 2026.

Other comparisons