Does Cube Tracker have a monthly fee?

Could you please clarify if Cube Tracker imposes any kind of monthly fee on its users? It's important for me to understand the cost structure associated with this platform, as I'm considering whether to adopt it for my cryptocurrency tracking needs. Are there any hidden charges or additional fees that I should be aware of? Additionally, does the platform offer any free trial periods or discounted rates for new subscribers? Your insights would be greatly appreciated.