Blog
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TreadLog: Log Your Treadmill Runs Instantly
Snap a photo of your treadmill console. TreadLog reads the numbers and logs your run automatically. No GPS, no hassle—just indoor running tracked.
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Note Trainer: Learn to Read Music Faster
A focused drill app that trains your instant note recognition. Name notes in 0.5 seconds and build real sight-reading fluency for any instrument.
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CalcNote: Stop Losing Your Calculation Steps
A calculator that remembers how you got the answer, not just the result. Save expressions, organize by folders, and never re-type a calculation again.
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StudyAloud now comes to Android
Your study notes, read aloud. StudyAloud uses text-to-speech to help you learn by listening. Now available on Google Play.
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WhaleLens: Whale Tracker comes to Android
Track institutional and legendary investor portfolios. WhaleLens now on Android—see what Korea’s pension fund and market titans are buying, instantly.
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Calculation Note: Save Your Math Work on iOS
Stop re-doing calculations. Calculation Note saves your formulas and results together, organized by folder. Now available on the App Store.
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Track Your Quit Journey with Precision
A minimal iOS app that counts your days smoke- and alcohol-free, calculates savings, and celebrates every moment you resist.
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Study Notes App with Text-to-Speech Now on iOS
A learning app that reads your notes aloud. Write, listen, and memorize better with natural voice playback and spaced repetition.
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Make Beautiful Wedding Invitations on Your iPhone
Create custom wedding invitation images in minutes—no signup, no internet required, completely free. Save as PNG and share anywhere.
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Train Your Music Reading Speed with Flashcards
Learn to read sheet music instantly with spaced repetition. Improve your sight-reading speed in minutes a day.