Для Yobit бесплатный, но хороший.
https://forum.bits.media/index.php?/topic/83554-stratum-bot-%E2%80%94-iphone-%D0%B2-%D0%BC%D0%B8%D1%80%D0%B5-%D0%B1%D0%BE%D1%82%D0%BE%D0%B2-%E2%80%94-%D0%BA%D1%80%D0%B0%D1%81%D0%B8%D0%B2%D1%8B%D0%B9-%D1%80%D0%B0%D0%B1%D0%BE%D1%82%D0%B0%D0%B5%D1%82-%D0%BD%D0%B8%D1%87%D0%B5%D0%B3%D0%BE-%D1%82%D1%80%D0%BE%D0%B3%D0%B0%D1%82%D1%8C-%D0%BD%D0%B5-%D0%BD%D0%B0%D0%B4%D0%BE/