Phoneboard is a free alternative to apps like ZXW, Wuxinji etc.
These paid apps cost up to a hundred bucks a year but Phoneboard is completely free.
v1.4.0 * Added Dark Mode. * Ipad mini board. * When you are viewing only one side of the board, the search auto completion will show components of the active side only. * Added Diode values in iphone 6 board. * Add Polish language [Translation by: Jakub Werwiński] * Add Hungarian language [Translation by: Dani Bá] * Add Cambodian language [Translation by: IC Fix Sothy] * Add Italian language [Translation by: Nicola Ripoccini] * Add Finnish language [Translation by: Ruuben Vuolasranta] * Add French languange [Translation by: Occaz'out]