TerraTime Pro World AlarmClock
The beautiful world clock: local times with a global view.
App info
App description
Android App Analysis and Review: TerraTime Pro World AlarmClock, Developed by Udekowski LLC. Listed in Productivity Category. Current Version Is v6q, Updated On 12/02/2025 . According to users reviews on Google Play: TerraTime Pro World AlarmClock. Achieved Over 95 thousand Installs. TerraTime Pro World AlarmClock Currently Has 4 thousand Reviews, Average Rating 4.5 Stars
Start with a visually stunning virtual Earth in the palm of your hand: Real satellite photos drive a live simulation of day/night, clouds, seasons, sun, moon and more. Then, our unique clock and compass track the local movements and transitions of the sun and moon. It’s everything you need to stay connected to the world you live in.And not just your local time: create a list of locations to show on the globe, and now this beauty is a world clock, too. Set alarms for anywhere, anytime, including sun and moon rise and set. See it all at a glance: not just what time it is in other places, but how those times relate to each other. It's the nature of time.
Lots of extras complete the picture: augmented reality, home screen widgets, live wallpapers, Wear OS watch faces. There’s no other app like TerraTime.
Great for travelers, astronomers, weather watchers, geographers, teachers, photographers, fishermen and other outdoor types - as well as just about any geek you can think of.
Superbly stylish, incredibly detailed and unbeatably useful - LifeOfAndroid.com
TerraTime is unique. It is bold and different... - AndroidApps Review
Possibly the most beautiful phone app I’ve seen. Highly recommended. - AndroidAstronomer.com
The overall beauty of the app is well, its beauty! - CoolSmartPhone.com
It's spot-on no matter where you look at it in the world - The Sun (UK newspaper)
Features:
• Easily shows any location, any date, any time
• Daylight clock and compass show sunrise & sunset; twilight & transit times; moon phase, rise & set
• Multiple clock/compass styles (currently Material, Classic, Wave, and Ouroboros)
• Independent time zone data: more up-to-date than what your phone has
• Globe and map depict real-time night-side shadow (on both Earth and Moon)
• Photorealistic simulations include clouds, city lights, sea ice, and more, generated from actual satellite imagery
• Globe and map are fully interactive, using touchscreen or device sensors
• AR View plots sun and moon paths in augmented reality (on supported devices)
• Clock and globe widgets for your home screen
• Live wallpapers for real-time map and globe
• Wear OS watch faces (4 styles), complications (10), and tiles (2)
• Alarms you can set for any time zone - or for sunrise, sunset, etc. at any location
Please, if you have any issues, email us! There's a link in the app's About screen.
What's New
• Update time zone rules (tzdata 2025agtz)
• Bug fixes
• Compliance updates
• Bug fixes
• Compliance updates
Rate and review on Google Play store
Total number of ratings
Total number of active users rated for: TerraTime Pro World AlarmClockTotal number of installs (*estimated)
Estimation of total number of installs on Google Play, Approximated from number of ratings and install bounds achieved on Google Play.
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Recent Comments
Michael Jones
App crashed on open. Widget was dead. Reinstall did nothing. Used to work fine. Had to clear data and cache to get it to work. Why?
Zoomer 30
Has worked fine for years and years. Last update broke it. Won't launch for me, just crashes out. Tried clearing cashe clearing data, full delete and reinstall. No dice
A Google user
Beautiful design. I really appreciate a date/time app that displays so much information on such a clean interface. Three features I'd love to see: a soft button that links to my phone's native alarm function, an "always on" option - at least for when the phone is on a charger - and a native swipe up/down (or similar) function to adjust screen brightness. These features would make this an excellent desk clock. UPDATE: The more I use this app, the more I like it! Yet I'd still like to see other optional functions: my work is logged in GMT, so it would be nice to have a small GMT display. I'd also like to see an option to display a seconds hand, both sweeping (like a mechanical watch) and ticking (like a quartz watch), and a soft button to re-sync the phone's internal clock to a time server or, better, to GPS. I'm a mechanical watch enthusiast, and these last functions would allow me to use TerraTime Pro, exclusively (rather than separate time hack apps).
Richard Hopkins
This is a good, user friendly app. for world times. An improvement would be if it also gave the temperatures in the same cities. It would also be useful if a person could sign into their email address, in the app. This would make it possible to transfer cities saved, from an old phone, to a new phone.
A Google user
Working perfectly with stunning visuals, and then some! I was dreaming of a real-time world map showing day/night changes as my live wallpaper—and this app not only exists but exceeds all my expectations. (I did not even dream of live clouds & polar ice coverage.) *My constructive criticism*: (1) The globe mode could add a fixed earth natural axis rotation mode—users can rotate the earth around 23.4 degree of obliquity. (2) The settings menu seems a bit complex. (3) I don't really understand how to read the moon's arc on the clock, even after checking out your website. Perhaps some more explanation could be added? 🤔
Mikhail Modesto
This has to be one of the best looking world clocks I've seen! Ability to add multiple locations and check on their daylight status along with near real-time simulation of the earth too! On my wishlist is the ability to add locations via coordinates (I have a friend who works in a remote area and I'd love to be able to check his sunlight too) as well as an option to display all 3 stages of twilight on the clock as increasingly darker shades. With those two, this clock will rock my vote!
Martin Saul
Handy tool, needs improvement As a former PolyClock user since Android... 2.3? (I think) I knew I was getting a powerful tool with some questionable UX choices when buying this app. It turns out my expectations were on point, as the number of features went up substantially and all the old features from PolyClock are still here, including the weird design choices. No drop down to pick a timezone when creating an alarm. Adding new timezones is not intuitive. No upgrade discount sucks.
A Google user
This is a great app, and mostly satisfied my on-going search for a good and useful widget that shows sunrise/sunset in a cool and intuitive manner. The only reason I am not giving it 5 stars is that the widget seems locked to only one geo location. I have family/friends in multiple places in the world and being able to run multiple widgets, each on a different location is what I'm looking for. I'd love to have a few widgets all on one "home page", each showing a sunrise/sunset for a different location, just as I have several weather widgets active concurrently, each one showing weather in a specific area. Please consider adding such a "multiple instance" feature. If it already exists, then clearly I missed it!