I'd pick Light mode for familiarity, as many users are accustomed to it and it can make onboarding smoother. What kind of app is this, by the way?

We tried Dark mode by default and got complaints about readability in bright environments; have you considered user feedback on this?

I'd pick System default for flexibility, as it allows users to stick with their OS preference and reduces the need for manual adjustments.

I'd pick System default for flexibility, as it allows users to stick with their OS preference and reduces the need for manual switching.

I'd pick Light mode for familiarity, users tend to expect that as a default from most apps they've used before.

I'd pick system default for flexibility, as it allows users to stick with their OS preference and reduces the need for manual adjustments.

I'd pick System default for flexibility, as it allows users to stick with their OS preference and reduces the need for an app-specific setting.