Epoch: Guitar Tuner

Epoch is a guitar, ukulele, and bass tuner that also has functions such as a metronome, pitch measurement, and recording practice data.
Basic version (free functions):
- Provides tuning functions for the 12 notes between C4 and B4 on the piano. When tuning, the indicator bar clearly shows the distance between the current note and the target note, and the difference in pitch frequency is displayed.
- Provides tuning functions for standard guitar tuning. When tuning, manually select the string to be tuned. During the tuning process, the indicator will show different colors. Red indicates that the note is too low, blue indicates that the note is too high, and green indicates that the note is in tune.
- Provides the metronome function of the basic version, with four sounds to choose from. Rotate the middle disc to adjust the speed, select the time signature according to the rhythm of the song, and click the speaker in the upper right corner to switch the metronome sound.
- Provides the tuner and metronome functions for the Apple Watch version.
Advanced functions (paid functions):
- Provides tuning functions for 88 piano notes. Turn on the automatic mode and switch to the pitch detection mode to accurately measure the pitch.
- The guitar tuner provides common non-standard tuning modes, such as Open D, Open G, etc., supports custom tuning, and supports automatic string recognition.
- The metronome supports customizing the number of sounds per beat.
- Supports recording practice content, setting goals, and practice data charts.
- Supports iCloud data synchronization function.