Amazon.com: MOOER Wireless Desktop Multi Effects Pedal, Guitar Tuner, Guitar Drum Machine Plug and Play with Wireless Instruments System : Musical Instruments
Pro Guitar Tuner - Apps on Google Play
Google adds a guitar tuner to Search | Engadget
Microsoft Apps
Free software. Tune your guitar quick, accurate and easy with this tuner on your pc or laptop. guitar tuning. guitar tuner.