Our Software Portfolio
GapMed: Offline Pill Reminder
Core Philosophy
GapMed is a premium medical scheduling utility designed to do exactly what it says: remind you to take your pills, reliably and securely. Built by GapLogic, GapMed keeps your health data locally on your device with ZERO internet permissions. Whether you need a daily vitamin tracker or a complex prescription schedule, GapMed delivers peace of mind without the bloat.
Free Features
- Reliable Push Notifications: Alarms fire perfectly even if the app is closed.
- Smart Timezone Travel: Automatically adjusts reminders when traveling.
- Medical History Archive: Keep a visual history ready for doctor visits.
- Inventory Tracking: Set low-pill warnings to trigger pharmacy refills.
- True OLED Dark Mode: Beautiful, high-contrast interfaces.
GapMed Pro ($2.99)
- Unlimited Medications: Track infinite prescriptions, vitamins, and supplements.
- Multi-Family Profiles: Completely isolated dashboards for family or pets.
- Premium Custom Alarms: Distinct sounds to easily differentiate alerts.
- Pay Once, Own Forever: Absolutely no monthly subscriptions.
GapVitals: Health Tracker
Core Philosophy
GapVitals is the ultimate privacy-first health companion. Because your medical data is highly sensitive, the app has NO internet permission. All data lives in a local SQLite database directly on your device. It cannot be accessed, seen, or transmitted by anyone—including us.
Free Features
- Track essential daily metrics with a clean, simple interface.
- 7-day rolling window history for all logged vitals.
- 1 customizable daily reminder to check your stats.
- Global unit support for Weight and Glucose preferences.
GapVitals Full Unlock ($5.99)
- Heart Rate & SpO2 Module ($0.99): Dedicated cardiovascular logging.
- Sleep Tracker Module ($0.99): Detailed rest and recovery metrics.
- Nutrition Module ($1.99): Comprehensive daily dietary logging.
- Pro Lifetime ($5.99): Unlocks all current modules and removes the 7-day limit.
Coming Soon
GapCalc: The Privacy-First Calculator
Core Philosophy
GapCalc requests zero network permissions — it cannot send your data anywhere, not just promises not to. Built on top of that is a lightning-fast, highly responsive mathematics experience with absolutely zero bloat and zero ads. Whether you need a standard everyday calculator, a scientific calculator for complex equations, or a visual history tape, GapCalc is designed to respect your device and your data. Your math is your business.
Free Features
- Standard & Scientific Calculator: A clean, intuitive keypad.
- Visual History Tape: Review, edit, and recalculate past calculations.
- 100% Offline & Private: No network permissions required whatsoever.
- True Dark & Light Mode: High-contrast, battery-saving OLED themes.
GapCalc Pro ($3.99)
- Woodworker Mode: fraction add/subtract/multiply/divide, a materials & board-foot calculator, a geometry calculator, and a cut list optimizer that flags oversized cuts.
- Universal Unit Converter: 10 categories including length, weight, volume, temperature, power, and energy.
- Visual Memory Banks: 5 drag-and-drop named slots for quick recall.
- Everyday Financial Tools: Quickly calculate tips, split bills, and discount savings.
- Home screen widget for instant 4-function calculations.
- Pay once, own forever.
Coming Soon
GapRegister: Income & Expense Tracker
Core Philosophy
GapRegister is the simple, privacy-first way to track where your money goes. GapRegister has NO internet permission. All data lives in a local SQLite database on your device. It cannot be accessed, seen, or transmitted by anyone—including us.
Free Features
- Log income and expenses in 3 taps.
- 20 pre-loaded categories.
- Current month balance tracking and net position, plus a top-spending-categories strip.
- Inline +/− quick calculator for entries.
- PIN app lock and local backup & restore (no cloud).
- Home-screen widget — one tap straight into the amount entry sheet.
- Font scale 100%–200% for accessibility.
- Light mode and True OLED Dark mode.
GapRegister Pro ($3.99)
- 24 months of full transaction history with trend and top-category charts.
- Multiple ledgers/wallets with transfers between them.
- Budget goals per category and split transactions.
- Recurring transactions for auto-logging fixed bills.
- Receipt photo attachments (stored locally) and Quick-Add Favorites.
- CSV export capabilities for spreadsheets.
Coming Soon
GapJournal: Sleep Tracker
Core Philosophy
GapJournal is the ultimate privacy-first sleep tracker based on the clinical Consensus Sleep Diary (CSD) framework. It provides medical-grade sleep tracking without compromising your digital privacy. There is absolutely no internet permission required. Your personal health data stays securely locked in a local database on your device.
Free Features
- Sleep Onset Latency & Wake After Sleep Onset tracking.
- Automatic Sleep Efficiency Calculation.
- 7-Day Trend Charts for Efficiency and WASO.
- Shift-worker friendly support for daytime naps.
GapJournal Pro ($4.99)
- Unlimited History & 30-Day Deep Trends.
- Sleep Debt Tracker for cumulative deficits.
- Color-Coded Monthly Sleep Calendar.
- Private Dream Journal & text notes.
- Lifestyle Correlations (Caffeine, Alcohol, Screen Time, Medication).
- Gentle Smart Alarm, Ambient Sleep Sounds, and a 4-7-8 Breathing Tool.
- Optional Health Sync (Android Health Connect), PDF Health Record & CSV Export.
Coming Soon
GapBudget: Envelope Budget Tracker
Core Philosophy
GapBudget brings the proven zero-based envelope budgeting method right to your pocket — every dollar gets a job before you spend it. GapBudget has NO internet permission, ensuring your financial data is stored in a local database exclusively on your device. We never collect, transmit, or sell any data.
Free Features
- Unlimited Envelope Categories.
- Lightning-Fast Expense Tracker (≤3 taps).
- Visual Spending Bars with overdraft warnings.
- Current month running totals tracking.
- Global Text Scaling (up to 200%).
GapBudget Pro ($4.99)
- 24-Month Financial History.
- Spending Trend & Per-Envelope Analytics Charts.
- Recurring Transactions for automated budgets.
- Roll-Over Balances to build savings month-to-month.
- Multiple Budget Ledgers (Personal, Business).
- CSV Data Export for accounting.
Coming Soon
GapFluid: Fluid, Weight & Blood Pressure Tracker
Core Philosophy
GapFluid is the fluid tracker your care team actually gets to see. Built for people managing a doctor-prescribed fluid restriction — dialysis, CKD, congestive heart failure, or hyponatremia — it logs intake, weight, and blood pressure with zero internet permission and zero accounts. Every entry is fully editable and back-dateable.
Free Features
- Fluid intake logging with editable quick-add containers.
- Daily fluid budget ring with remaining-allowance countdown.
- Weight logging with trend chart and gain-window flags.
- Blood pressure logging with trend chart.
- One condition profile, 7-day rolling history.
GapFluid Pro ($3.99)
- Unlimited history, any date range.
- PDF export formatted for doctor/dietitian appointments.
- CSV export.
- Multiple condition profiles for caregivers.
- Simple medication list and a "Questions for my doctor" notepad.
Coming Soon
GapWater: Hydration Tracker
Core Philosophy
GapWater is a 100% offline hydration tracker with no internet permission whatsoever. Log your water intake in a tap, watch your progress ring fill, and build a streak — all without an account or a single byte leaving your device.
Free Features
- Tap-to-log water intake with a visual progress ring.
- Streak counter for consecutive goal days.
- ml/oz unit toggle.
- Last 7 days of history, one daily reminder.
GapWater Pro ($3.99)
- Home screen widget.
- Custom drink types with hydration coefficients (coffee, juice, etc.).
- Weekly bar chart + 30-day trend analytics.
- Body-weight goal calculator.
- Unlimited history, custom reminder schedule with quiet hours.
Coming Soon
GapSeizure: Seizure & Epilepsy Diary
Core Philosophy
GapSeizure is a private, 100% offline seizure and epilepsy diary. It's a logging and diary tool only — it does not detect, predict, or automatically alert anyone about seizures, and is not a substitute for professional medical advice. No internet permission, no accounts.
Free Features
- Seizure logging with customizable types, trigger tags, and an optional live timer.
- Rescue-medication one-tap logging with adherence history.
- Medication list with local reminder notifications.
- Seizure-free-day counter, 7-day charts by day/time/trigger.
- Local backup export & restore.
GapSeizure Pro ($3.99)
- Unlimited-history view.
- PDF export (doctor-ready report) and CSV export.
- Multiple profiles.
- VNS/RNS device-swipe manual logging.
- Pill photo attachment (on-device only) and a doctor-notes notepad.
Coming Soon
GapReintro: Low-FODMAP Reintroduction Tracker
Core Philosophy
GapReintro is a guided schedule for the low-FODMAP reintroduction phase — one subgroup at a time, with fast symptom logging and a clear personal tolerance map. It collects nothing and sends nothing anywhere: no account, no cloud, no analytics.
Free Features
- Schedule single-FODMAP-subgroup food challenges.
- Log symptoms and possible confounders.
- Build a personal tolerance map from logged data.
- 30-day history view, local one-shot reminders.
- Backup & restore from file.
GapReintro Pro ($3.99)
- Unlimited history — every past challenge cycle.
- Re-challenge tracking across attempts.
- PDF export (dietitian-ready report) and CSV export.
Coming Soon
GapNotes
Core Philosophy
GapNotes is on the way, built with the same privacy-first, 100% offline philosophy as the rest of the GapLogic lineup. Details coming soon.