Author: siwooeo
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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.
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Treadlog: Track Indoor Running With Phone Photos
A lightweight running log for treadmill workouts. Snap your console, auto-fill your stats, and build streaks. Now on iOS.
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Track South Korea’s Pension Fund Stock Moves
WhaleLens brings transparency to South Korea’s National Pension Fund portfolio and legendary investor 13F filings in one app. Free, no login required.
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WaterDrop Water Tracker Now on Android
WaterDrop, the hydration tracker that logs water intake in one tap, is now available on Google Play. Build better drinking habits with reminders and stats.
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I Built a Water Intake Tracker for iOS
WaterDrop makes it effortless to log daily hydration with a single tap. Meet the water reminder app built for people who forget to drink water.