Question 1

Switch vs Checkbox: which should I use?

Accepted Answer

Immediate on/off vs choices collected before submit. Prefer Switch / Toggle when: Settings toggles; Enable notifications. Prefer Checkbox & Radio when: Form multi-select; Terms accept before submit. Timing: Switch / Toggle — Immediate effect.; Checkbox & Radio — Part of a batch submit.. Mental model: Switch / Toggle — A mode is on or off.; Checkbox & Radio — An option is selected or not.. Mobile: Switch / Toggle — Large tap target, binary.; Checkbox & Radio — Often grouped with labels in forms..

Question 2

Should the change apply immediately without a Save button?

Accepted Answer

If yes, lean toward Switch / Toggle; if no, lean toward Checkbox & Radio.

Question 3

Is this one of several options in a form submitted together?

Accepted Answer

If yes, lean toward Checkbox & Radio; if no, lean toward Switch / Toggle.

Dimension	Switch / Toggle	Checkbox & Radio
Timing	Immediate effect.	Part of a batch submit.
Mental model	A mode is on or off.	An option is selected or not.
Mobile	Large tap target, binary.	Often grouped with labels in forms.

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