Piano Scribe is described as 'converts raw audio to MIDI using Onsets and Frames, a neural network trained for polyphonic piano transcription. Record yourself playing piano or choose an audio file with solo piano from your device to transcribe!'. There are five alternatives to Piano Scribe for Mac, Windows and Linux. The best alternative is AnthemScore. It's not free, so if you're looking for a free alternative, you could try AmazingMIDI. Other great apps like Piano Scribe are WIDI Recognition System (Paid), Neuratron AudioScore (Paid) and MuDic (Paid).
WIDI Recognition System is a complete solution for automated and computer assisted music transcription. WIDI takes musical audio in mp3, wave, CD-Track or other formats as input and produces scores as output. The result scores can be saved as MIDI sequences.