LumaShare app itself is free to download from the App Store. To use any of the sharing features, you'll need to buy a monthly subscription of $7.99.
You can subscribe directly from fotoShare.co > Subscriptions > LumaShare. Or subscribe from the App Store.
You can cancel it at anytime from fotoShare.co or the App Store.
Is it free and how does the subscription work?
Updated this week