Travel & Map
Country Tracker
Mark every country as visited, lived in, or a dream destination with a single tap and watch your personal world map grow with statistics and milestones. No account, no tracking.
The portfolio
Our apps
Free on the App Store for iPhone and iPad. Many titles can be tried instantly in your browser.
Listen & Relax
Fall Asleep with Science
A sleep journey and a journey of knowledge in one app: gentle bedtime companions through the universe, nature and forgotten worlds, paired with well-researched episodes on history, countries and the periodic table.
App Store
Android soon
Puzzle & Mystery
Sherlock Holmes — Whitechapel
London, 1888. Investigate at Watson's side through atmospheric acts, decipher secret messages and unmask the culprit. Hand-drawn illustrations in a Victorian style, entirely without time pressure.
Game & Fun
Bartender Mix Genius
Mix your way through hundreds of cocktails: recognise recipes, combine ingredients and become a bar legend. Quick rounds, clear rules, no account needed.
Tool & Memory
Letter to Later
Write a letter to yourself or others that only opens at a chosen moment in the future. Your words wait until their moment has come.
Weather & Map
Rain?
The live rain radar for Germany: see at a glance whether and when it will rain. Based on official DWD radar data, with a clear map and no clutter.
About Lemontreee Studios
Lemontreee Studios is an independent app label from Hamburg. We create standalone games, audio apps and small tools that aim to do one thing well: entertain you, help you unwind, or teach you something new. All apps work without a user account, and your data stays on your device as much as possible.
Questions, bug reports or ideas? Drop by Support or take a look at our Privacy Policy.