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About this app

Introducing Single Class, the nationwide project to help everyone become single.

Have you ever felt lost while practicing alone, wondering, "What on earth is wrong with my swing?" Simply record your swing with your smartphone and upload it. Single Class will automatically identify the 8 stages from address to finish and place it side-by-side with the exact same moments of a professional swing. Standard swings for each club by former national team member Pro Oh Seung-hyun are included by default. Instead of listening to explanations, see for yourself exactly where and how they differ.

[How to Use]

1. Record — Record your swing from the front or side with your smartphone.

2. Upload — Once uploaded to the app, it automatically captures the 8 stages: Address, Takeback, Backswing, Top, Downswing, Impact, Follow-through, and Finish.

3. Compare — Overlay your swing with a professional swing at the same moment, place them side-by-side, and review frame by frame.

[Key Features]

• Automatic 8-Stage Swing Recognition — Automatically identifies swing segments and the 8 stages within the video. No need to manually search through frames. • Pro-Standard Swing Comparison — Overlay or view your swing side-by-side with a pro's swing. Adjust transparency and size to accurately overlay it on top of your swing.

• Synchronization Rate — Compare joint angles to show how closely your swing resembles a pro's in step-by-step numerical values. Watch your progress as you progress through the sessions.

• Practice Drills — Follow along with practice drill videos filmed by the pro.

• Swing Feed — Watch other golfers' swings, cheer each other on, and share your own swing.

• Request Live Lesson — Apply for Pro Oh Seung-hyun's live broadcast with your swing to receive direct feedback during the show.

[Recommended for]

• Golfers who practice alone but feel lost about what to correct

• Those taking lessons but want to self-assess at home or the driving range

• Those who want to visually check the differences between their swing and a pro's

• Those who want to keep a record of their swing improvement

[Filming Tips]

• Film from about 3 to 4 meters away so that the entire swing fits in the frame. • Uploading both frontal (opposite the target) and side (behind the ball flight line) angles allows for a more accurate comparison.

• It is recommended to place the club on a tripod or cart to ensure the shot is stable.

[Privacy Policy]

Your swing is private by default. You are always responsible for deciding whether to post it to your feed and who can see it. You can delete your account and data directly within the app (My > Delete Account).

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Developer: Ann E-won · Inquiries: [e-mail]

Website: https://ntclass.com

Privacy Policy: https://ntclass.com/privacy.html

Delete Account/Data: https://ntclass.com/delete-account.html

What’s new

• 볼꼬리 만들기: 스윙 영상에 공이 날아가는 꼬리를 그려 넣어요. 임팩트 장면을 고르고 출발점·꼭대기·떨어지는 곳·휘는 정도를 손으로 맞추면 실제 공처럼 날아가요.
• 꼬리 모양 8가지, 굵기·그림자·빠르기도 고를 수 있어요. 완성한 영상은 폰에 바로 저장하거나 피드에 올려요.
• 영상 올리기 편집: 슬로모·60fps 이상 영상은 재생 속도(1배·1/2·1/4·1/8)와 느리게 보여 줄 구간을 고를 수 있어요. 메신저로 받아 느려진 슬로모는 '느려진 영상 빠르게'로 원래 빠르기로 되돌려요. 막대를 끌다가 손가락을 멈추면 한 장면씩 촘촘하게 맞춰져요.
• 맞춘 몸맞춤이 어느 화면에서 열어도 그대로 따라와요.
• 음악·영상을 들으면서 앱을 열어도 소리가 끊기지 않아요.
• 내 스윙 기록 화면을 새로 다듬고, 공유 링크가 엉뚱한 곳으로 가던 문제를 고쳤어요.
• 안정성과 성능을 개선했어요.