Very good guitar tuner software, 👍🏻 recommended.
Response from developer
We're happy to hear you're enjoying the accuracy of the tuner! Thank you for your recommendation.

This app offers a professional tuning experience for a wide range of instruments with high precision. It includes a metronome, reference sound playback, and customizable tuning views to suit various needs, from daily practice to live performances.
1.0.2
October 17, 2026
1. Improved guitar tuner stability; 2. Fixed known bugs in the metronome.
Annual Subscription
We're happy to hear you're enjoying the accuracy of the tuner! Thank you for your recommendation.
Artuner supports tuning for 22 different musical instruments, including guitar, bass, ukulele, violin, cello, saxophone, and many traditional Chinese instruments like erhu and guzheng.
Artuner uses the YIN pitch detection algorithm with an accuracy of ± 1 pitch minute, providing clear deviation direction and amplitude for precise tuning.
Yes, Artuner includes a built-in metronome with BPM ranging from 40-240, dual view options (pendulum and point), and four different beat tones.
The provided data does not specify offline functionality. However, tuning and metronome features typically require active use of the device's microphone and processor, suggesting online functionality might be needed for optimal performance.
Artuner offers a Weekly Subscription for $3.99/P7D, a Monthly PRO subscription for $6.99/P1M, and an Annual Subscription for $17.99/P1Y, which includes a 3-day free trial.
Yes, Artuner offers both automatic mode recognition for beginners and manual mode selection for experienced players, making it accessible to all skill levels.
No, Artuner does not contain advertisements.
Artuner is available on iPhone, iPad, and iPod devices.