Is gnosis safe free?

Could you please elaborate on the safety and cost-effectiveness of Gnosis? I'm particularly interested in understanding whether it's a secure and cost-free platform for crypto transactions. Could you also provide insights into any potential risks or hidden costs associated with using Gnosis? Additionally, how does it compare to other cryptocurrency platforms in terms of safety and fees? I'm seeking a comprehensive understanding of its safety features and whether it truly offers a free service. Thank you for your assistance.