Nudge β Everything it does
A reminder app that actually gets your attention, because it talks to you the way you want to be talked to.
What Is Nudge?
Most reminder apps fail because they're ignored. The notification looks the same every time, says the same bland thing, and doesn't earn your attention. You swipe it away and forget about it.
Nudge solves this by letting you choose the tone of your reminders β from calm and neutral to genuinely, unapologetically harsh. The smart scheduling system means nudges fire at the right moment, respect your Do Not Disturb settings and quiet hours, and back off if you keep ignoring them.
No account required. No internet needed. Everything stays on your device.
Getting Started
Creating a reminder takes about ten seconds:
- Tap + on the Nudges screen
- Type what the reminder is for (e.g., "Drink water", "Move", "Take meds")
- Choose how often β every X minutes, X times per day, at a fixed time, or manually
- Tap Save
Everything else β tones, quiet hours, advanced scheduling, streak tracking β is optional and stays out of your way until you go looking for it.
Tones
Every reminder has its own tone setting that controls the personality of the messages you receive.
Neutral
Dry. Factual. No filler. Tells you what to do and gets out of the way.
Encouraging
Warm, positive, genuinely supportive. Good for habit building.
Playful
Light sarcasm, jokes, and a little ribbing. Makes you smirk even as it reminds you.
Harsh Pro Β· 18+ opt-in
No filter. No softening. Blunt, direct, and occasionally mean. For people who have tried every gentle reminder app and gotten nowhere.
Two intensity settings: Mild (blunt and direct, no strong language) and Full (crude, unfiltered, adult language).
Reminder Types
Interval
Fire every N minutes within an active time window. Set a window (e.g., 8amβ10pm) so it doesn't buzz you at 3am.
Fixed Time
Fire at a specific time of day, every day or on selected days of the week.
Times Per Day
Fire exactly X times per day, spread evenly across your active window. Set a daily goal and track your progress.
Countdown / One-Time
Fire once after a delay, or at a specific date and time. Good for one-off reminders.
Tracker (Manual)
No automatic notifications β just a tap-to-log tile. Track habits you want to count without being reminded: classes, workouts, water intake, anything you're counting manually. Numeric values supported (e.g., log "8" for 8 glasses of water).
Starting count: Already have progress before you started tracking? Set a seed value and your new taps add on top. The running total is correct from day one.
Smart Scheduling
Every potential notification passes through a decision pipeline before it fires:
- Daily cap β Set a maximum number of nudges per day across all reminders. Great if you want reminders to stay in the background without overwhelming you.
- Minimum gap β Require a minimum number of minutes between any two nudges, globally. No getting hit with three reminders back-to-back.
- Quiet hours β Set a window where no nudges fire. Sleep in peace.
- DND respect β Nudge optionally checks Android's Do Not Disturb mode and holds notifications until it's lifted.
- Backoff on dismissal β If you keep swiping away a reminder without tapping Done, Nudge backs off. Stops firing after too many consecutive dismissals, resets the next day.
- Stop for today β Dismissed too many times? Nudge stops that reminder for the rest of the day automatically.
- Suppress if already done β If you've already tapped Done for a reminder today, Nudge won't fire it again.
Device-Aware Rules Pro
- Screen-on only β Only fire when the screen is actively on. Doesn't buzz your pocket.
- Suppress while driving β Android Activity Recognition detects if you're in a vehicle and holds nudges until you've stopped.
- Suppress while moving β Optionally hold nudges while you're walking or in motion.
- Auto-complete on movement β For movement habits: if you're actively moving when the nudge would fire, Nudge automatically counts it as Done. No tap needed.
Escalation Pro
If you ignore a nudge, Nudge can automatically re-fire it after N minutes β with a stronger tone, higher urgency, or both. Set up a chain: first reminder fires normally, second fires 10 minutes later if not acknowledged, third fires 20 minutes after that.
Linked Actions
Every reminder can have an action attached β something that happens when you tap the notification. Not just "dismiss," but actually do the thing.
- Open a link β tap the nudge and go straight to a URL: a breathing exercise track, a workout video, your medication lookup page, anything. One tap, zero friction between reminder and action.
- Navigate β open Google Maps or any mapping app to a saved address. Useful for "go to the gym" reminders, errands, recurring appointments.
- Call β tap to dial a contact directly from the notification. For check-ins, doctor follow-ups, or accountability calls.
- Text β pre-compose a message to a contact and send it in one tap. Useful for regular check-ins or group accountability.
Linked actions work on all reminder types, free and Pro.
Custom Notifications Pro
Custom Sounds β pick any notification sound from your device's library. Each reminder can have its own sound β a distinctive chime for medication, a different tone for workouts. Nudge validates the sound is system-accessible before saving it, so it always plays correctly.
Custom Messages β write up to 5 of your own phrases for any reminder. When it fires, Nudge picks one at random from your list instead of the built-in phrase library. Use your own words, your own inside jokes, your own accountability script.
Trackers + Health Connect
Trackers live on their own Trackers tab and display as a grid of tiles for quick tapping. Manual logging supported for any numeric value.
Trackers can also pull data directly from Android Health Connect, so your stats sync automatically β no manual logging needed.
Supported data types: Steps, Active Calories, Weight (most recent reading from your scale or wearable), and Sleep (total duration from the previous night).
If your step goal is 10,000 and you've hit it, the tracker shows it. Your linked nudge reminders see that data too: if you've already hit your goal, the nudge won't fire.
Multiple health apps writing to Health Connect? Pin a tracker to a specific source (e.g., Oura only) so it reads exactly what you want.
Permissions required: Health Connect read access for whichever data types you use. Requested only if you set up a Health Connect tracker.
Streak Tracking
Nudge tracks how many consecutive days you've completed each reminder.
- Streak counter shown on every reminder tile
- Completing a reminder at least once counts as meeting the day's goal
- Missing a day resets the streak to zero
- Save your streak Pro β If it's late in the day and you haven't done the thing yet, Nudge sends a high-priority reminder before midnight
- Tone shifts on milestones β Hit 7, 30, or 100 days? Your reminders respond to that
History & Stats
The History tab shows your full completion history:
- 12-week heatmap β GitHub-style grid showing which days you completed each habit, color-coded by intensity
- Current streak β How many days in a row right now
- Best streak β Your all-time record
- 30-day completion rate β What percentage of days in the last 30 you followed through
- Total completions β All-time count
Filter by All habits, Nudges only, or Trackers only. Or drill into a single habit for its individual history.
Phrase Library
Every nudge message is chosen from a library of hundreds of phrases organized by tone, category, intensity, and context tags. The selection algorithm picks the best phrase for the moment based on time of day, streak status, recent history, and consecutive dismissals. You'll rarely see the same message twice.
Theming
Nudge ships with several color themes that change the accent color, page backgrounds, and card surfaces β applied live, no restart needed.
Backup & Restore Pro
Export your reminders and settings to a file and save it anywhere β Google Drive, email, local storage. Restore on a new phone by importing that file.
Your Google account also backs up your app data automatically in the background, so reinstalling on the same account usually restores everything on its own.
Pro
- Harsh tone (18+ opt-in, mild and full intensity)
- Unlimited nudges and trackers (free tier: 3)
- Device-aware rules (screen-off, driving, movement suppression)
- Auto-complete on movement detection
- Escalation chains
- Save-your-streak before-midnight notifications
- Tone adjustments on streak milestones
- Custom notification sounds
- Custom messages (write your own phrases, up to 5 per reminder)
- Custom vibration patterns
- Pro accent themes
- Backup & Restore
Privacy
No Account
No sign-in, registration, or account at any tier.
Offline
No data transmitted. Everything stays in a local SQLite database on your device.
No Analytics
Nudge does not phone home, track usage, or send anything anywhere.
Health Data
Health Connect data is read locally. Nothing leaves the app.
Permissions Nudge may request
- Exact alarm scheduling β required to fire notifications at the right time
- Boot completed β to reschedule your reminders after a device restart
- Physical activity recognition β for driving/movement detection (only if you use Pro device-aware rules)
- Health Connect β for step/calorie/weight/sleep sync (only if you set up a Health Connect tracker)
Coming Soon
Home screen widget
Your next upcoming reminder and current streak, at a glance on your home screen.
Calendar awareness
Suppress nudges during calendar events β meetings, appointments.
Year in Review
A shareable summary of your best habits, streaks, and completions for the year.
iOS support
Same app, same features, on iPhone and iPad.
FAQ
Does Nudge work without an internet connection?
Yes. All functionality is entirely local. No network connection is needed for any core feature.
Do I need to create an account?
No. Nudge has no accounts, sign-in, or registration at any tier.
What happens to my reminders if I uninstall?
They're deleted with the app. Use Backup & Restore (Pro) to save them before uninstalling.
What's the difference between "Times Per Day" and "Interval"?
Interval fires every N minutes continuously. Times Per Day fires exactly X times spread evenly across your active window β planned spacing vs. rolling repetition.
Is Harsh tone really that bad?
It's intentionally blunt and can include strong language. That's the point. If gentle reminders haven't worked for you, this is for you.
Does Nudge work in the background?
Yes. Nudge uses Android WorkManager for background delivery β battery-efficient and survives the app being closed or the device restarting.
What is the minimum reminder interval?
15 minutes. Android WorkManager enforces this floor to preserve battery life.
Will Nudge fire during Do Not Disturb?
Only if you turn off DND respect in the reminder's settings. By default, Nudge respects DND.
Start with a Template
Pre-built habits, backed by behavior science. Tap any template to open it directly in the Nudge app β everything's pre-filled, just hit Save.
Stay hydrated without thinking about it.
A nudge every 90 minutes during waking hours. Six reminders a day gets you close to the 8-glass target without counting. Playful tone keeps it from feeling like a chore.
Habit stacking: linking water intake to existing time anchors (meals, breaks) dramatically improves follow-through.
Add to NudgeNever miss a dose. No excuses accepted.
Twice daily, every day. Neutral tone β this one isn't playful. The escalation logic in Nudge means if you ignore it, it gets more insistent. Set it and don't skip it.
Medication adherence drops ~50% without reminders. Consistent timing (same cue, same context) builds the habit so the reminder eventually becomes unnecessary.
Add to NudgeGet your body moving before the day takes over.
One nudge in the morning window to get some movement in β walk, stretch, workout, anything counts. Encouraging tone because mornings are hard enough already.
Morning exercise has outsized effects on mood and energy. The reminder isn't about the workout β it's about removing the decision-making friction.
Add to NudgeYour brain needs rest to stay sharp.
A break reminder every hour during work hours, weekdays only. Stand up, look out a window, grab water. Even 2 minutes resets cognitive fatigue. Playful tone so it doesn't feel like a hall monitor.
Ultradian rhythms β the brain naturally cycles through ~90-minute focus periods. Short breaks at the dip restore performance more than pushing through.
Add to NudgeSit like a human, not a question mark.
Fires every 45 minutes during desk hours. Sit up, unround your shoulders, unclench your jaw. Takes 10 seconds. Playful because nobody wants to feel nagged about this.
Micro-corrections beat ergonomics equipment. Brief posture resets every 45 minutes outperform a perfect chair you forget to adjust.
Add to NudgeEnd the day with one good thing.
One nudge in the evening. Just name one thing that went well today β doesn't have to be big. Encouraging tone, tight window so it actually lands before you're asleep.
Daily gratitude practice has one of the strongest effect sizes in positive psychology research β and it only takes 30 seconds to work.
Add to NudgeOwn the first hour. Don't let your phone own it.
A single nudge right after you'd normally reach for your phone. The goal: 30β60 minutes of screen-free morning. Harsh tone available for people who know they need it.
Morning phone checks prime the brain for reactive, distracted thinking all day. A phone-free hour trains your attention for depth work.
Add to NudgeTwo minutes of resonance breathing. Real measurable effect on stress.
A nudge twice during the day to do a 5-minute 5:5 breathing session β 5 seconds in, 5 seconds out. Tapping the notification opens a Spotify track timed to exactly that rhythm. Set it, forget it, actually do it.
Resonance breathing at ~0.1 Hz (6 breaths/min) is the most researched breathwork protocol for HRV improvement. Even 5 minutes shifts autonomic balance measurably.
Add to Nudge10 pages a day is 12 books a year.
One nudge in the evening reading window. Not asking for an hour β just 10 pages. That's 15 minutes. At that rate you finish a book a month without it ever feeling like a commitment.
Implementation intentions β 'I will read after dinner at the kitchen table' β triple habit follow-through. The reminder is the cue; you supply the context.
Add to NudgeMonday morning. You know what needs to happen.
A single nudge Monday morning to get the laundry going before the week gets away from you. Tapping it opens a reel that will absolutely motivate you. Change the day and time to whatever fits your schedule β this is just to show you what's possible with a linked action.
Implementation intentions β a specific time, day, and cue β triple follow-through on chores compared to 'I'll do it when I feel like it.' The linked action removes the last excuse.
Add to NudgeGrounded in Real Research
Nudge is built on established behavioral science β here's the work behind it.
- Thaler, R. H., & Sunstein, C. R. β Nudge: Improving Decisions About Health, Wealth, and Happiness The seminal book defining "nudge," "choice architecture," and "libertarian paternalism." The foundation everything here is built on.
- Nudge Theory β The Decision Lab Clear, accessible explanation of nudge theory with practical examples and design implications.
- Nudge Theory β EBSCO Research Starters Concise academic overview of what a nudge is and how it's applied in practice.
- Nudge β Ethical Systems Summary of nudge theory with links to ethical considerations and limits.
- "Nudge, not sludge" β Thaler & Sunstein, Science (2018) Short piece on using nudges to genuinely help β and avoiding manipulative "sludge."
- Digital Behavior Change Intervention Designs for Habit Formation β JMIR (2024) Systematic review of 41 digital habit-formation interventions. Highlights prompts/cues, self-monitoring, feedback, and rewards as the most effective techniques. PubMed β
- Development of a Digital Intervention Incorporating Habit Formation β MediHabit (2025) Applied example using cues, timely prompts, self-monitoring, and motivational messages to build a medication adherence habit.
- Nudge Theory β Prosci Applied explanation of using nudges to drive behavior change; accessible to non-technical readers.
- Nudging: How Behavioral Economics Can Transform Practices β Voltage Control Practical article on applying nudge concepts to product and process design.
- Penn CHCI Recommended Resources Curated reading list from the University of Pennsylvania's Center for Health Incentives and Behavioral Economics, including Nudge and Katy Milkman's How to Change.