Adult colouring books? Inevitably, there's an app for that, Apps

Developer behind Repix and Relook photography apps turns its attention to stressed-out smartphone and tablet users

Coloring Book Apps Make Staring at My Phone Feel Like Self-Care

Coloring Book for Adults App by App Labs

The Best Adult Coloring Apps (Including Free!) - DIY Candy

This App Transforms Your Phone or Tablet Into An Amazing Coloring Book

The BEST Adult Coloring Book Apps for Artists: 100 Apps Reviewed!

Best Coloring Apps for Adult : Best Adult Coloring Book Apps For Both Apple And Android Phones For Relaxation

The Best Adult Coloring Apps (Including Free!) - DIY Candy

The best adult coloring book apps for iPhone and iPad

Let's Talk About Adult Coloring Books, by alternativedoubt, The Post-Grad Survival Guide