스트링 튜너

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Everyone
1+
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About this app

The String Tuner is a tuner designed for violins and cellos.

When you strum a string, it automatically identifies it and displays the alignment using the needle and color.

■ Automatic String Detection

It automatically detects the string you are currently strumming, choosing between G, D, A, and E (Violin) and C, G, D, and A (Cello).

If you want to tune only a specific string, you can press the string name on the fretboard to lock it.

■ Clear Gauge at a Glance

Green if within ±5 cents, orange if slightly off, and red if significantly off.

It immediately tells you what to do, such as "It's too low" or "Tighten the string."

If the alignment is maintained for a brief moment, a check mark appears on that string, and it vibrates briefly.

■ Accurate Cello Basses

It captures sounds where the harmonics resonate louder than the fundamental, such as the C string on a cello, without missing an octave.

It turns off noise cancellation for mobile phone calls to record the sound as is, ensuring that the bass is not cut off.

■ Listen to Reference Tones

Press the speaker button for each string to hear that tone. It is also good for practicing matching by ear.

■ Do-Re-Mi Mode

It finds and displays the nearest semitone for any note, whether from a song, piano, or any instrument.

Press the key to play that note.

■ Reference Pitch (A4) Setting

430~446Hz. You can also select 442Hz, which is commonly used in orchestras, at once.

Note names are labeled either Do-Re-Mi or CDE, whichever is more convenient for you.

Microphone sound is used only to calculate pitch within the device and is not recorded or transmitted.
A violin and cello tuner that automatically recognizes the line you draw. Features include listening to the reference pitch and Do-Re-Mi mode.
Updated on
Oct 25, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

스트링 튜너 첫 출시
- 바이올린·첼로 줄 자동 감지 튜너
- 줄마다 기준음 듣기, 도레미 모드
- 기준음(A4) 430~446Hz 설정
Content rating
Everyone
Learn more

App support

About the developer
미래시스템
contact@futuresoftlab.com
대한민국 서울특별시 구로구 구로구 연동로 233, 101동 1101호(항동, 항동 중흥에스클래스 베르데카운티) 08362
+82 10-8098-6910