Tidal vs Spotify, my option is Spotify. It is free for all users to listen to music online without limitation. If you are eager to download and play Spotify music offline, I think Spotify playlist converter will be a good choice for you. It is for all users to download and convert music to MP3, AAC, WAV, FLAC, M4A, M4B, etc at faster speed with zero loss quality. You can check more info on Audcope.
Tidal vs. Spotify
Tidal sounds better for sure. Search functions aren't as good as Spotify but if you are currently using Spotify, give Tidal a try and let me know what you think!