Showerthought: My grandad's ink mixing kit versus my smartphone app.

I was digging through my grandad's old desk and found his handmade ink mixing kit. It's all glass droppers and handwritten notes in a ledger. Now I use an app that calculates ratios and shares recipes INSTANTLY. Part of me misses the TACTILE, guess-and-check method, but the app saves SO much time. What do you all think? Is the old way better for creativity, or is precision king?