Author: siwooeo
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Vocal Recorder Comes to Android: Tag Your Singing
Vocal Recorder lets you record your singing and pin waveform notes exactly where the breath drops — now available on Google Play.
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Learn Ukulele Chords Faster with This Offline App
Ukulele Chord Helper is a free Android app with 35 chord diagrams, real synthesized sounds, and three quiz modes — all fully offline.
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Learn Guitar Chords Faster with This Android App
Guitar Chord Helper is a lightweight chord dictionary for Android with diagrams, synthesized sound, quizzes, and learning stats — perfect for beginners.
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Track Your Blood Pressure Daily with BP Diary
BP Diary is a clean, privacy-first blood pressure tracker for Android. Log readings, spot trends, and share data with your doctor — no account needed.
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I Built a Quiz App to Learn Seotda Hand Rankings Fast
Seotda has 29 different hands—more than poker—and the ranking order isn’t intuitive. I built a quiz app to help anyone learn them through repetition.
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I Built a Noise Recorder to Track My Apartment’s Sound Pattern
A personal noise monitoring tool that automatically detects loud events, tags sound types, and helps you document patterns in your environment.
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I Built a Translation App That Remembers Everything
Translate Recorder auto-saves every translation you make so you never have to re-translate the same phrase twice. Built for anyone tired of repetitive lookups.
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I Built a Quiz App to Finally Memorize T568A and T568B
Tired of forgetting LAN cable color codes? I made a free Android app with 4 game modes to drill T568A/B wiring until it’s muscle memory.
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I Built a Quiz App to Master Poker Hand Rankings
Poker Rank Trainer uses three quiz modes to help beginners memorize hand rankings through spaced repetition—no internet required.
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Promgrammer: Build AI Image Prompts in Seconds
A visual prompt builder with 1700+ organized tags for AI image generation. Browse categories, tap to add tags, and copy — no memorization needed.