SnapHappy Pro Camera app. Vintage Black and White Mode. Ideal for Instagram.

Hypocam | Best Black and White Photography APP | TIPS

Black and white street photography - An introduction to SNAPSEED

Simple Black & White conversion (with color control) in Lightroom Mobile

Black and white photo Editing using the Lightroom CC mobile app

Black and white photography with my favourite editing software - Nik's Silver Efex

The Monochromist App - Create Awesome Black & White Photos

Lightroom BW Conversion