Crypto swap platforms enable users to exchange one cryptocurrency for another directly, without the need to transact with fiat currencies.When choosing a platform, security, supported coins, fees, and customer support are key factors to consider.Ka.app prioritizes security and regulatory compliance, offers competitive fees, has a wide crypto selection and user-friendly interface.SimpleSwap offers a no-registration approach, and prioritizes convenience with unlimited swaps and readily available support team.Changelly stands out for quick swaps, the option to buy crypto with debit or credit cards, and accessible customer support.ChangeHero offers a user-friendly platform for non-custodial crypto swaps, prioritizes user control, privacy and 24/7 customer support.The "best" crypto swap platform depends on individual needs and weighing factors such as security, fees, desired coins, and user-friendliness.Spread-based and fixed fees are two main fee structures for swap fees and it's important to compare options to get the best rates.Some platforms offer non-custodial swaps which means you don’t need to create an account or complete KYC verification for privacy.It is recommended to periodically revisit comparisons between platforms, as the crypto market rapidly evolves with new platforms and innovations.