Pester is a persistent reminder app that refuses to let you forget.
Unlike quiet notification apps that ping you once and give up, Pester keeps nagging — firing the same reminder every few minutes until you mark it done or snooze it. No more "I'll do it later" followed by "I completely forgot."
NEW IN 2.0 — REBUILT FROM THE GROUND UP
Pester is now a 100% native iOS app: faster, smoother, and more reliable than ever. Plus:
• Home Screen widget with one-tap Mark Done
• Create reminders with Siri and Shortcuts
• Yearly repeats for birthdays, renewals, and anniversaries
• A searchable Logbook of everything you've finished
• Redesigned notifications, snooze actions, and reminder list
WHAT MAKES PESTER DIFFERENT
• Auto-snooze: Set a reminder and walk away. If you ignore it, Pester fires again minutes later — your choice per reminder. It doesn't stop until you act.
• Lightning-fast input: Type "Call mom in 30 minutes" and Pester understands. Natural language parsing means you spend less than 3 seconds creating a reminder. Or tap a quick-time button — Morning, Noon, Evening, +1 hour — and you're done.
• Action from your Lock Screen: Snooze for 10 minutes, 1 hour, 3 hours, or tomorrow — all from the Lock Screen. No need to open the app. Or tap Done and move on.
• Repeating reminders: Daily, weekdays, weekends, specific days of the week, monthly, or yearly. Your "take vitamins" reminder fires every morning without you lifting a finger.
• Survives reboots: Restart your phone and your reminders are still there, still firing on schedule. Most reminder apps silently break after a reboot — Pester doesn't.
DESIGNED FOR PEOPLE WHO FORGET
Built for anyone who dismisses notifications and immediately forgets, sets reminders that never fire loud enough, or struggles with ADHD and needs aggressive, repeated prompts to stay on track.
No categories. No tags. No projects. No planning features. Just a title, a time, and relentless persistence.
SIMPLE, PRIVATE, LOCAL
• No account required — Pester works the instant you install it
• No cloud, no servers, no data collection — your reminders live on your phone
• Manual backup and restore through the iOS share sheet (save to iCloud Drive, Files, email — your choice)
• One-time purchase, no subscriptions, no ads
CUSTOMIZABLE SOUNDS AND THEMES
• 4 bundled alert sounds ranging from a soft chime to an urgent alarm
• System default sound option uses whatever you've set on your phone
• Light and dark themes that follow your system setting or can be set manually
• Configurable snooze presets and quick-time buttons
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Pester. Forget-proof reminders for people who actually forget.
