Macropad or Foot Pedal: What Should Approve Your Agent's Work?
Every AI coding agent, whether it runs in a terminal or an IDE, shares the same loop: you brief it, wait, review what it did, then accept or reject. Macropads and foot pedals both exist to make that accept/reject step faster, but they trade off differently, a pedal frees your hands completely for a small, fixed set of actions, while a macropad fits many more actions under one hand that still has to leave the keyboard to reach it. For the review loop specifically, foot pedals are the better fit; for a broader set of dev shortcuts that includes review as one part, a macropad wins.
What a foot pedal actually buys you
A pedal like Pedal Three maps accept, reject and hold-to-talk to your feet, and because your feet are otherwise doing nothing during review, this covers almost the entire loop without a single hand movement. That matters specifically because accept/reject is something you repeat hundreds of times a day, and each repetition normally costs you a hand leaving the home row. Multiply your daily approvals by that cost and a pedal's appeal becomes concrete. Pedals cap out low, though, three or four actions, and they carry real United States import duty, about three times what a macropad pays, which is the honest reason they cost what they do.
What a macropad actually buys you
A macropad like the KM16 gives you sixteen keys and three knobs, remapped entirely in a browser with no firmware flashing, enough room for accept, reject, test, commit, model switching and pane navigation, with the knobs handling volume, scrub or brush size. That's a genuinely bigger action set than any pedal offers. The cost is that every press still means moving a hand off the mouse or keyboard, even if it's a short move to a pad sitting right next to it.
So which fits agent approvals specifically?
If your only job during a review session is accept, reject and maybe dictate the next prompt, a pedal removes all of the hand movement from a task you do continuously, that's the entire ergonomic case, and three pedals covers it exactly. A macropad makes more sense once your workflow is broader than pure review: if you're also switching models, running tests, or navigating panes as part of the same session, you need more actions than any pedal offers, and a macropad's sixteen keys absorb all of it in one place.
The trade neither side advertises
A macropad sits on your desk and takes up real space next to your keyboard; a pedal sits on the floor and takes none. If your desk is already crowded, that alone might decide it regardless of the action count. Conversely, a pedal asks you to build a foot-tap habit that takes a session or two to feel automatic, which a macropad never asks of you.
Who should buy neither
If you check in on an agent's output every few minutes between other work rather than sitting through continuous review sessions, your hands are usually already on the keyboard when the moment to accept or reject arrives, a shortcut key does the job, and either device just adds hardware to a habit that isn't costing you anything yet.
For the two pedal options head-to-head, see Pedal Three vs. Pedal Four, or the macropad side in KM16 vs. EM Mini Pad. Browse every guide on the comparison hub. Setup notes: Pedal Three for Gemini CLI.