Feature-by-feature comparisons against the platforms non-profits actually evaluate. Every competitor claim is quoted from that company's own documentation, with the date we checked it, and where they match us we say so.
One thing to carry into every page here: a published processing rate is not a price. It is what the card costs. What the software costs sits on top of it, and most vendors quote the two separately or decline to publish the second at all. Each comparison below shows both halves, for them and for us.