Not sure how long for free. Andy why not? :LOL2:
Android: https://play.google.com/store/apps/details?referrer=utm_campaign%3DSlickdeals&id=com.nynix.knots3d&hl=en_US
IOS: https://apps.apple.com/gb/app/knots-3d-knoten/id453571750
Android: https://play.google.com/store/apps/details?referrer=utm_campaign%3DSlickdeals&id=com.nynix.knots3d&hl=en_US
IOS: https://apps.apple.com/gb/app/knots-3d-knoten/id453571750