Basichords is a free multimedia application designed for iPhone users, developed by Alexandre Roux. This music and radio subcategory program offers chord positions for Guitar, Ukulele, Bouzouki, Cavaquinho, Mandolin, Mandola, and Banjo. Users can enjoy features such as auto play of selected chords, tap-to-play functionality, finger position guidance, and detailed chord or note information for each string. The app supports left-handed display, allows disabling the autoplay feature, and includes ads.

With support for various tunings like Guitar E-A-D-G-B-E, Ukulele G-C-E-A/A-D-F#-B, Cavaquinho D-G-B-D, Mandolin/Bouzouki G-D-A-E, Mandola C-G-D-A, and Banjo C-G-B-D/D-G-B-D, Basichords offers over 700 to 2100+ chord positions, catering to a wide range of music enthusiasts.