The spread at Big Mining (bigminings.com) is not what they advertise. During volatile markets it widens so much that you lose before the trade even starts. I found them from a review site like this one and initially thought the platform was good - until I started trading seriously.
Pros: Intuitive for beginners|Good mobile app|Copy trading available|Multi-device support
Cons: Inactivity fee applies after 12 months|Limited ETF selection