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Checkbox vs Toggle Switch
7 Use-Cases of Forms Design

Forms provide several controls that make it easier to collect input from users. Using the right control at right place is a challenge while designing forms.
A checkbox control has three states: unselected, selected, and indeterminate. The last state represents a situation where a list of sub-options is grouped under a parent option and sub-options are in both selected and unselected states.
A toggle switch represents a physical switch that allows users to turn things on or off, like a light switch.
Tapping a toggle switch is a two-step action: selection and execution, whereas checkbox is just selection of an option and its execution usually requires another control.
When deciding between a checkbox and toggle switch control, it is better to focus on the usage context instead of their function.
Below are few use-cases along with guidelines to decide between these two controls while designing form experience.
Case 1: Instant response
Use Toggle switch when,
- An instant response of applied settings is required without an explicit action.
- A setting requires an on/off or show/hide function to display the results.
- User needs to perform instantaneous actions that do not need a review or confirmation.

Case 2: Settings confirmation
Use Checkbox when,
- Applied settings need to be confirmed and reviewed by user before they are submitted.
- Defined settings require an action like Submit, OK, Next, Apply before displaying results.
- User has to perform additional steps for changes to become effective.
