Cleartune (iOS – $3.99; Android – $3.99) is a simple and easy-to-use tuner and tone generator with a nice big display that is easy to read from a distance (even on your phone). It also offers a variety of pitch and temperament settings – with custom presets – which can be handy for those who frequently have to switch between modern and baroque instruments, for instance. Several readers praised its ease of use for beginner-level students.
