what apps are best for editing pictures?
['Adobe Lightroom — Free (optional subscription)', 'Photoshop Express — Free.', 'Snapseed — Free.', 'VSCO — Free (optional in-app purchases)', 'Afterlight 2 — $3.', 'Lens Distortions — Free (optional subscription)', 'PicsArt — Free (in-app purchases)', 'Hypocam — Free (in-app purchases)']