SenecaSafe: Stoic-inspired Safety App
Budget: $10 – $1,500 USD
SenecaSafe – Lone Worker Safety App
Product Requirements Document (PRD) / Developer Specification
Version 1.0 | July 2026
1. Overview & Vision
SenecaSafe is a Stoicism-inspired, privacy-first lone worker safety mobile application. It empowers teams working alone in field, construction, utilities, healthcare, or remote environments with reliable tools to monitor their safety, respond to emergencies, and provide a proactive protection for lone workers (drawing from the Stoic practice of premeditatio malorum — anticipating challenges in advance).
Core Philosophy:
• Control what you can (quick actions, preparation).
• Endure what you must (resilience in isolation).
• Act with calm reason (clear, simple UI even under stress).
The app is designed as a lightweight, offline-first mobile application that can also function as a white-label widget/module embeddable into company internal apps with full custom branding, logos, colors, and escalation rules. This enables lower-cost deployment compared to traditional enterprise solutions like StaySafe.
Key Differentiators:
• Fully functional offline (core safety features work without signal).
• Discreet duress options (shake-to-alert, long-press).
• calm, minimalist design that is practical and comprehensive
• White-label ready for B2B.
• Privacy-focused (data stays local by default; optional secure backend).
• Built on a proven web prototype (single-file HTML/JS with Tailwind + Leaflet) that can serve as the reference implementation or be ported.
Target Platforms: iOS and Android (native or cross-platform).
Initial Release Goal: MVP with core safety features + basic white-label support.
2. Target Users
• Primary: Lone workers and their supervisors (field technicians, contractors, utility workers, healthcare professionals, etc.).
• Secondary: Small-to-medium companies for team deployment (via white-label).
• Tertiary: Organizational leaders who want a simple, cost-effective internal tool or widget.
3. Core Features (MVP)
3.1 Safety & Emergency
• Panic / SOS Button (prominent red button):
• Triggers immediate location capture.
• Prepares full emergency message including user profile, medical info, current location + Google Maps link.
• Options: Loud alarm (siren + vibration), or discreet mode.
• Discreet Duress:
• Shake device vigorously (accelerometer-based, configurable sensitivity).
• Long-press on Check-in button.
• Silent preparation of alert (minimal UI change, no loud siren by default).
• Quick share via native SMS/WhatsApp/Email or direct call to primary contact.
• Emergency Contacts Management:
• Add/edit multiple contacts (name, phone, relation, email, notification preferences).
• Primary contact designation.
• Quick call/SMS from panic screen or contacts tab.
• Medical & Profile Info:
• Blood type, allergies, conditions, notes (included in all alerts).
• Quick access for first responders.
3.2 Monitoring & Check-ins
• Monitoring Sessions:
• Start/end timed safety monitoring.
• Configurable intervals (15/30/45/60/90/120 minutes).
• Live countdown timer with progress bar.
• Automatic location logging during session.
• Manual + Auto Check-ins:
• One-tap “I’m Safe” check-in (resets timer, logs time + GPS).
• Missed check-in warnings (visual + haptic) with grace period.
• Overdue handling: Prompt to check-in or escalate to alert.
• Location Services:
• High-accuracy GPS on demand or during sessions.
• Interactive map (current position + session path/polyline).
• One-tap “Open in Maps” for any log entry.
• Last-known location fallback.
3.3 Logging & Reporting
• Activity Log:
• Chronological history of check-ins, sessions, panics, incidents, location updates.
• Filterable by type/date.
• Export to CSV/JSON (for compliance or company reports).
• Incident Reporting:
• Quick notes + tags (e.g., “Fell”, “Threat”, “Medical”, “Environmental”).
• Optional voice note (future).
3.4 Profile & Settings
• Onboarding flow (name, role, company, default interval, medical info).
• Editable profile and medical details.
• App preferences (default interval, emergency number, discreet mode settings).
• Privacy controls and data export/delete.
4. User Flows (Key Examples)
1. Daily Monitoring:
• Open app → Start Monitoring Session → Set interval → Work normally.
• Timer runs → Check-in when prompted or manually.
• End session at end of shift.
2. Emergency:
• Tap PANIC or shake phone → App prepares alert + location.
• Discreet path: Minimal visual change → Share message or call primary.
• Loud path: Siren + full modal with quick actions.
3. White-Label Integration (for companies):
• Company provides logo, colors, primary contacts/escalation rules.
• App loads branded config (JSON or remote config).
• Widget mode: Embeddable view or full app skin.
5. Technical Requirements
Recommended Tech Stack (for best performance + white-label ease):
• Cross-platform: Flutter (recommended) or React Native.
• Excellent for offline, background location, sensors, and custom UI.
• Native alternative: Swift (iOS) + Kotlin (Android) if deeper native integration needed.
• Maps: Google Maps or Mapbox SDK (offline tile caching support).
• Location & Sensors: Core Location / Fused Location Provider + Accelerometer for shake detection.
• Notifications: Push notifications (Firebase Cloud Messaging) + local notifications for timers.
• Storage: Local SQLite / Hive / Room for offline data. Optional secure cloud sync (Firebase / Supabase) for team features.
• Offline-first architecture: All core features work without internet. Location and logs queue for sync when online.
• Security & Privacy:
• Local encryption for sensitive data (medical info).
• No mandatory cloud account.
• Optional end-to-end encrypted sharing.
• Compliance-friendly (GDPR, etc.).
Background Capabilities (critical for lone worker apps):
• Background location updates during monitoring sessions.
• Background timer / scheduled check-in reminders.
• Shake detection even when app is in background (with permissions).
6. UI/UX Guidelines
• Design Language: Calm, professional, high-contrast, large touch targets (minimum 48px). Stoic-inspired — minimalist, strong typography, deep blues/grays with safety accent colors (emerald for safe, amber for monitoring, red for alert).
• Mobile-first: Responsive, one-handed use friendly.
• Accessibility: High contrast, large text, voice-over support.
• Reference Implementation: The existing single-file HTML/JS prototype (SenecaSafe version) serves as the exact visual and interaction reference. Replicate its flows, modals, timer UI, map integration, and panic screen closely.
• Logo: Use the provided/custom SenecaSafe logo (simple “S” shield style or provided asset). Support easy replacement for white-label.
7. White-Label & Customization Features
• Configurable branding (logo, primary/secondary colors, app name display).
• Custom default contacts or escalation rules (via JSON config or admin panel).
• Optional company dashboard integration (export logs, view active sessions — basic version in MVP).
• Widget/Module mode: Expose key screens (panic, check-in, status) as embeddable components.
• Pricing model support: Simple licensing or per-user configuration.
8. Non-Functional Requirements
• Offline: Core features (panic, check-in, timer, logging, contacts) must work fully offline.
• Performance: Fast GPS acquisition, smooth map rendering, low battery impact.
• Reliability: Graceful handling of location permission denial or signal loss.
• Security: Local data protection, secure sharing options.
• Scalability: Architecture that supports white-label multi-tenant configuration.
• Testing: Thorough testing on real devices for background behavior, shake detection, and low-signal scenarios.
9. Future Enhancements (Post-MVP)
• Fall / no-movement / man-down detection (accelerometer + gyroscope).
• Voice notes or quick audio status.
• Team/supervisor real-time dashboard (with optional backend).
• Integration with wearables or external devices.
• Advanced reporting and analytics.
• Multi-language support.
• Native app store distribution + PWA fallback.
10. Deliverables from Developer
• Fully functional iOS + Android apps (or cross-platform build).
• Source code with clear documentation.
• White-label configuration system (easy branding swap).
• Admin guide for companies.
• Test builds + device testing report.
• Optional: Backend scaffolding for team features.
• Reference to the provided HTML prototype for exact UI/UX fidelity.
Product Requirements Document (PRD) / Developer Specification
Version 1.0 | July 2026
1. Overview & Vision
SenecaSafe is a Stoicism-inspired, privacy-first lone worker safety mobile application. It empowers teams working alone in field, construction, utilities, healthcare, or remote environments with reliable tools to monitor their safety, respond to emergencies, and provide a proactive protection for lone workers (drawing from the Stoic practice of premeditatio malorum — anticipating challenges in advance).
Core Philosophy:
• Control what you can (quick actions, preparation).
• Endure what you must (resilience in isolation).
• Act with calm reason (clear, simple UI even under stress).
The app is designed as a lightweight, offline-first mobile application that can also function as a white-label widget/module embeddable into company internal apps with full custom branding, logos, colors, and escalation rules. This enables lower-cost deployment compared to traditional enterprise solutions like StaySafe.
Key Differentiators:
• Fully functional offline (core safety features work without signal).
• Discreet duress options (shake-to-alert, long-press).
• calm, minimalist design that is practical and comprehensive
• White-label ready for B2B.
• Privacy-focused (data stays local by default; optional secure backend).
• Built on a proven web prototype (single-file HTML/JS with Tailwind + Leaflet) that can serve as the reference implementation or be ported.
Target Platforms: iOS and Android (native or cross-platform).
Initial Release Goal: MVP with core safety features + basic white-label support.
2. Target Users
• Primary: Lone workers and their supervisors (field technicians, contractors, utility workers, healthcare professionals, etc.).
• Secondary: Small-to-medium companies for team deployment (via white-label).
• Tertiary: Organizational leaders who want a simple, cost-effective internal tool or widget.
3. Core Features (MVP)
3.1 Safety & Emergency
• Panic / SOS Button (prominent red button):
• Triggers immediate location capture.
• Prepares full emergency message including user profile, medical info, current location + Google Maps link.
• Options: Loud alarm (siren + vibration), or discreet mode.
• Discreet Duress:
• Shake device vigorously (accelerometer-based, configurable sensitivity).
• Long-press on Check-in button.
• Silent preparation of alert (minimal UI change, no loud siren by default).
• Quick share via native SMS/WhatsApp/Email or direct call to primary contact.
• Emergency Contacts Management:
• Add/edit multiple contacts (name, phone, relation, email, notification preferences).
• Primary contact designation.
• Quick call/SMS from panic screen or contacts tab.
• Medical & Profile Info:
• Blood type, allergies, conditions, notes (included in all alerts).
• Quick access for first responders.
3.2 Monitoring & Check-ins
• Monitoring Sessions:
• Start/end timed safety monitoring.
• Configurable intervals (15/30/45/60/90/120 minutes).
• Live countdown timer with progress bar.
• Automatic location logging during session.
• Manual + Auto Check-ins:
• One-tap “I’m Safe” check-in (resets timer, logs time + GPS).
• Missed check-in warnings (visual + haptic) with grace period.
• Overdue handling: Prompt to check-in or escalate to alert.
• Location Services:
• High-accuracy GPS on demand or during sessions.
• Interactive map (current position + session path/polyline).
• One-tap “Open in Maps” for any log entry.
• Last-known location fallback.
3.3 Logging & Reporting
• Activity Log:
• Chronological history of check-ins, sessions, panics, incidents, location updates.
• Filterable by type/date.
• Export to CSV/JSON (for compliance or company reports).
• Incident Reporting:
• Quick notes + tags (e.g., “Fell”, “Threat”, “Medical”, “Environmental”).
• Optional voice note (future).
3.4 Profile & Settings
• Onboarding flow (name, role, company, default interval, medical info).
• Editable profile and medical details.
• App preferences (default interval, emergency number, discreet mode settings).
• Privacy controls and data export/delete.
4. User Flows (Key Examples)
1. Daily Monitoring:
• Open app → Start Monitoring Session → Set interval → Work normally.
• Timer runs → Check-in when prompted or manually.
• End session at end of shift.
2. Emergency:
• Tap PANIC or shake phone → App prepares alert + location.
• Discreet path: Minimal visual change → Share message or call primary.
• Loud path: Siren + full modal with quick actions.
3. White-Label Integration (for companies):
• Company provides logo, colors, primary contacts/escalation rules.
• App loads branded config (JSON or remote config).
• Widget mode: Embeddable view or full app skin.
5. Technical Requirements
Recommended Tech Stack (for best performance + white-label ease):
• Cross-platform: Flutter (recommended) or React Native.
• Excellent for offline, background location, sensors, and custom UI.
• Native alternative: Swift (iOS) + Kotlin (Android) if deeper native integration needed.
• Maps: Google Maps or Mapbox SDK (offline tile caching support).
• Location & Sensors: Core Location / Fused Location Provider + Accelerometer for shake detection.
• Notifications: Push notifications (Firebase Cloud Messaging) + local notifications for timers.
• Storage: Local SQLite / Hive / Room for offline data. Optional secure cloud sync (Firebase / Supabase) for team features.
• Offline-first architecture: All core features work without internet. Location and logs queue for sync when online.
• Security & Privacy:
• Local encryption for sensitive data (medical info).
• No mandatory cloud account.
• Optional end-to-end encrypted sharing.
• Compliance-friendly (GDPR, etc.).
Background Capabilities (critical for lone worker apps):
• Background location updates during monitoring sessions.
• Background timer / scheduled check-in reminders.
• Shake detection even when app is in background (with permissions).
6. UI/UX Guidelines
• Design Language: Calm, professional, high-contrast, large touch targets (minimum 48px). Stoic-inspired — minimalist, strong typography, deep blues/grays with safety accent colors (emerald for safe, amber for monitoring, red for alert).
• Mobile-first: Responsive, one-handed use friendly.
• Accessibility: High contrast, large text, voice-over support.
• Reference Implementation: The existing single-file HTML/JS prototype (SenecaSafe version) serves as the exact visual and interaction reference. Replicate its flows, modals, timer UI, map integration, and panic screen closely.
• Logo: Use the provided/custom SenecaSafe logo (simple “S” shield style or provided asset). Support easy replacement for white-label.
7. White-Label & Customization Features
• Configurable branding (logo, primary/secondary colors, app name display).
• Custom default contacts or escalation rules (via JSON config or admin panel).
• Optional company dashboard integration (export logs, view active sessions — basic version in MVP).
• Widget/Module mode: Expose key screens (panic, check-in, status) as embeddable components.
• Pricing model support: Simple licensing or per-user configuration.
8. Non-Functional Requirements
• Offline: Core features (panic, check-in, timer, logging, contacts) must work fully offline.
• Performance: Fast GPS acquisition, smooth map rendering, low battery impact.
• Reliability: Graceful handling of location permission denial or signal loss.
• Security: Local data protection, secure sharing options.
• Scalability: Architecture that supports white-label multi-tenant configuration.
• Testing: Thorough testing on real devices for background behavior, shake detection, and low-signal scenarios.
9. Future Enhancements (Post-MVP)
• Fall / no-movement / man-down detection (accelerometer + gyroscope).
• Voice notes or quick audio status.
• Team/supervisor real-time dashboard (with optional backend).
• Integration with wearables or external devices.
• Advanced reporting and analytics.
• Multi-language support.
• Native app store distribution + PWA fallback.
10. Deliverables from Developer
• Fully functional iOS + Android apps (or cross-platform build).
• Source code with clear documentation.
• White-label configuration system (easy branding swap).
• Admin guide for companies.
• Test builds + device testing report.
• Optional: Backend scaffolding for team features.
• Reference to the provided HTML prototype for exact UI/UX fidelity.