I'm building an app with quiet hours and opt-in preferences for push notifications

That’s a solid approach—quiet hours plus explicit opt-in usually leads to better trust and fewer uninstalls.

A few practical design points to consider:

Core settings

• Push opt-in: Let users choose which categories they want to receive, not just an on/off toggle.
• Quiet hours: Let users set a time range when notifications are suppressed.
• Time zone awareness: Quiet hours should follow the user’s local time zone, especially if they travel.

Useful preference controls

• Notification categories: e.g. marketing, reminders, social, security, updates.
• Frequency controls: instant, digest, daily summary, weekly summary.
• Priority levels: allow only critical alerts to bypass quiet hours.
• Per-channel control: push, email, SMS, in-app.

Good UX patterns

• Ask for push permission only after explaining value.
• Show a preview of what each notification category looks like.
• Make quiet hours easy to adjust from the notification settings page.
• Offer a “pause notifications” quick action for temporary silence.

Backend considerations

• Store:
  • user preference state
  • quiet-hour window
  • timezone
  • category subscriptions
  • device tokens
• When sending notifications, evaluate:
  • user opted in?
  • category enabled?
  • within quiet hours?
  • is this a critical/bypass-worthy notification?
• If using scheduled jobs, make sure you evaluate the user’s current timezone, not just the server timezone.

Compliance / trust

• Keep consent explicit.
• Provide easy unsubscribe or preference editing.
• If you send marketing notifications, separate those from transactional ones.

If you want, I can help you design:

1. a data model for these preferences,
2. the logic/pseudocode for filtering notifications, or
3. the UI flow for collecting consent and quiet hours.