Best Hee Gwang Kim Apps

209+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good hee gwang kim apps. We benchmark 209+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Hee Gwang Kim

Interval Test#1

Interval Test by HEE GWANG KIM

Music Theory & Ear Training
Editor's Choice
📚 Education
4.3(6 ratings)
FreeIn-App Purchases
Interval Test screenshot 1
Interval Test screenshot 2
Interval Test screenshot 3
Interval Test screenshot 4

Learn music theory and practice ear training with interactive quizzes and an intuitive calculator. Understand interval concepts, calculate intervals on a staff or piano, and sharpen your listening skills through personalized exercises. Designed by a university-level music educator.

Ear Training Quiz#2

Ear Training Quiz by HEE GWANG KIM

Upgrade your sense of pitch!
Strong Contender
🎵 Music
0.0(0 ratings)
FreeIn-App Purchases
Ear Training Quiz screenshot 1
Ear Training Quiz screenshot 2
Ear Training Quiz screenshot 3
Ear Training Quiz screenshot 4

Practice your musical ear with customizable exercises. Adjust the number of notes, difficulty, key signature, tempo, and clef to suit your learning pace. Receive instant feedback and track your progress with detailed scoring and celebratory animations.

Smule: Sing Karaoke & Music#3

Smule: Sing Karaoke & Music by Smule

Record Voice & Duet – with AI
Worth Considering
🎵 Music
4.5😊(178K ratings)
FreeAdsIn-App Purchases
#14in Music
Smule: Sing Karaoke & Music screenshot 1
Smule: Sing Karaoke & Music screenshot 2
Smule: Sing Karaoke & Music screenshot 3
Smule: Sing Karaoke & Music screenshot 4
Smule: Sing Karaoke & Music screenshot 5
Smule: Sing Karaoke & Music screenshot 6

Sing, record, and collaborate on music with a vast song library. Practice solo or join duets with singers worldwide. Enhance your voice with studio-quality effects and AI tools to build confidence and improve your singing.

What We Love

  • 💕 Wonderful singing community
  • 🎤 Helps improve singing skills
  • 🌍 Ability to sing with people worldwide
  • 🎶 Huge song library

Room to Improve

  • 💰 Expensive VIP subscription
  • 🔒 Too many features locked behind VIP paywall
  • 🤖 Dislike of new vocal effects and filters

More Hee Gwang Kim apps to explore

4
Speak: Language Learning
Speak: Language Learning
Speak: Language Learning
Spanish, French, English +
Free

This app uses AI to help you improve your speaking fluency in various languages. Engage in simulated conversations, receive instant feedback on pronunciation and intonation, and track your progress to become a confident speaker.

AI-powered speaking practiceReal-life conversation simulationInstant pronunciation feedback
📚 Education
(49K)
free with in-app purchases
5
Teuida: Learn Languages
Teuida: Learn Languages
Teuida: Learn Languages
Easy Spanish, Japanese, Korean
Free

Learn to speak Korean, Japanese, and Spanish through interactive, first-person POV scenarios. Practice essential expressions and gain confidence with AI-powered pronunciation feedback. Focus on speaking from day one with short, effective lessons.

First-person POV speaking practiceReal-life scenario simulationsAI pronunciation analysis
📚 Education
(54K)
free with in-app purchases
6
Learn Korean & Study Hangul
Learn Korean & Study Hangul
Learn Korean & Study Hangul
Korean Learning Games
Free

Learn Korean vocabulary and the Hangul alphabet through engaging mini-games and visual learning. Focus on practical words with short, daily 5-minute sessions designed for effortless and addictive learning.

Visual vocabulary learning5-minute daily sessionsHangul alphabet learning
📚 Education
(23K)
freemium
7
Yuno - General knowledge
Yuno - General knowledge
Yuno - General knowledge
Listening, Learning, Knowing
Free

This audio app delivers general knowledge through engaging 10-minute stories and quizzes. Learn about history, science, art, and more on the go, anytime, anywhere. It's designed to make learning easy and entertaining.

10-minute audio storiesFun quizzes8 knowledge categories
📚 Education
(13K)
free with in-app purchases
8
Eggbun: Learn Korean Fun
Eggbun: Learn Korean Fun
Eggbun: Learn Korean Fun
Chatbot Tutor in Your Pocket
Free

Practice Korean speaking, reading, listening, and writing with a chatbot tutor. Access over 550 lessons covering basics, travel phrases, and cultural insights. Learn anytime, anywhere with native speaker audio.

Chatbot tutor for Korean language practice550+ Korean lessonsSpeaking, reading, listening, and writing skills
📚 Education
(6.1K)
free with in-app purchases
9
Simply Sing: My Singing App
Simply Sing: My Singing App
Simply Sing: My Singing App
Much More Than Karaoke
Free

This app helps you sing your favorite songs with confidence. It identifies your voice type, adapts music to your range, and provides feedback to improve your pitch. Progress through levels with daily tips to enhance your singing skills and build self-assurance.

Voice type detectionAdaptive song adjustmentsReal-time singing feedback
🎵 Music
(360K)
free with in-app purchases
10
Jumpspeak | Language Learning
Jumpspeak | Language Learning
Jumpspeak | Language Learning
Learn Spanish, French, English
Free

This app offers an immersive language learning experience focused on speaking from day one. It utilizes AI and real-world conversation scenarios to help users gain confidence in languages like Spanish, French, and English. With bite-sized lessons and speech feedback, it aims to accelerate language acquisition.

Learn by speaking from day oneAI Immersion technology1,000+ real-world conversation lessons
📚 Education
(14K)
free with in-app purchases
11
Skoove: Learn to Play Piano
Skoove: Learn to Play Piano
Skoove: Learn to Play Piano
Lessons from Beginners to Pro
Free

Learn to play piano with interactive lessons for all skill levels. Play your favorite songs while naturally integrating music theory and technique. Get real-time feedback using AI to listen to your playing.

Interactive piano lessonsAI-powered real-time feedbackLearn songs from various genres
📚 Education
(21K)
freemium
12
Tone - Learn Perfect Pitch!
Tone - Learn Perfect Pitch!
Tone - Learn Perfect Pitch!
Learn perfect pitch!
Free

This app is a game designed to enhance your auditory skills and help you achieve perfect pitch. It offers various modes and customization options to suit different learning levels, from beginner to expert. Track your progress visually and compete with friends.

Improve ear trainingLearn perfect pitchAdjustable difficulty levels
🎵 Music
(9.8K)
free with in-app purchases
13
Cake - Learn English & Korean
Cake - Learn English & Korean
Cake - Learn English & Korean
1분에 영어 표현 한 개씩 내 꺼 되는 앱
Free

Master English and Korean by learning from videos featuring K-pop stars, K-dramas, and vloggers. This app offers daily lessons, AI pronunciation feedback, and structured paths from beginner to advanced levels. Practice real-world expressions and slang to speak like a native.

Learn from K-pop and K-drama contentAI pronunciation coachReal-world expressions and slang
📚 Education
(15K)
free with in-app purchases
14
NeuroNation - Brain Training
NeuroNation - Brain Training
NeuroNation - Brain Training
Exercise your mind & memory
Free

Enhance your memory and cognitive abilities with science-backed exercises. This app offers personalized training programs, diverse games, and progress tracking to sharpen your mind and improve focus. Invest in your cognitive health with daily mental challenges.

Scientifically proven techniquesPersonalized training programsDiverse range of brain games
📚 Education
(13K)
free with in-app purchases
15
KaraFun: Karaoke, Battle, Quiz
KaraFun: Karaoke, Battle, Quiz
KaraFun: Karaoke, Battle, Quiz
Sing, Play & Enjoy
Free

Sing your heart out with a vast library of songs, challenge friends in singing games, and test your musical knowledge with engaging quizzes. Enjoy ad-free sessions, offline access, and customizable vocal settings for a personalized karaoke experience.

Vast song librarySinging game 'Battle'Music quizzes
🎵 Music
(23K)
free with in-app purchases
16
Korean Essentials
Korean Essentials
Korean Essentials
AccelaStudy®
Free

Master new vocabulary and pronunciation quickly and easily. This app offers native speaker audio, spaced repetition, and a searchable dictionary to enhance learning. It supports offline study and progress syncing across devices.

Native speaker audio for pronunciationSpaced repetition for memorizationSearchable dictionary
📚 Education
(4)
free with in-app purchases
17
Chet - Ear Training
Chet - Ear Training
Chet - Ear Training
Music Theory, Piano & Guitar
Free

Develop your musical ear and master music theory with interactive games and exercises. Learn at your own pace, identify music concepts, and practice with virtual instruments. Track your progress and compete globally to become a more confident and versatile musician.

Identify music theory conceptsCall and response exercisesVirtual piano, guitar, bass
🎵 Music
(2.4K)
free
18
Starfall
Starfall
Starfall
PreK to 5th Reading & Math
Free

This app offers engaging reading and math activities for children from preschool to 5th grade. It features games, songs, and interactive lessons designed by educators to support early literacy and numeracy skills. The platform also includes accessibility features for children with impairments.

Reading phonics and fluencyMath concepts and operationsInteractive games and songs
📚 Education
(4.2K)
freemium
19
hearingOS - Hearing Aid App
hearingOS - Hearing Aid App
hearingOS - Hearing Aid App
#1 Amplifier Listening Device
Free

This app enhances your hearing by amplifying external audio and improving speech intelligibility using AI. It works with various earphones and allows personalized adjustments to suit your specific needs and environment.

AI-powered audio processingSpeech intelligibility enhancementNoise suppression
🏥 Medical
(2.3K)
free with in-app purchases
20
Korean! - Learn Hangul & Speak
Korean! - Learn Hangul & Speak
Korean! - Learn Hangul & Speak
Read and write Hangul!
Free

Master reading and writing the Korean alphabet with interactive lessons and a personalized review system. This app offers audio pronunciation for all characters and optional writing practice, making language learning accessible and efficient.

Lessons for all Korean charactersOptional writing lessonsShow and Quiz teaching method
📚 Education
(10K)
free with in-app purchases