Approachable fitness structure
PJB Fit is designed to guide users through a complete workout experience without asking them to build every routine from scratch.
Active Development by PJBStudios
Progress Over Perfection.
PJB Fit
Guided workouts, supportive coaching, and a premium mobile fitness experience.
PJB Fit is a cross-platform fitness application that combines guided workouts, premium mobile design, and a supportive coaching philosophy to help users build lasting fitness habits.
ExpoReact NativeTypeScriptExpo Router
Product Overview
Fitness software that feels structured, calm, and encouraging.
PJB Fit is an original PJBStudios product designed to make fitness approachable, structured, and encouraging.
Encouragement over pressure
The product voice emphasizes consistency, confidence, and sustainable habits instead of guilt or intimidating fitness culture.
Interface-first development
The current build focuses on polishing the workout experience before production persistence and backend services are added.
A complete workout experience from planning to completion.
Instead of asking users to build workouts from scratch or navigate intimidating fitness culture, PJB Fit guides users through the experience while celebrating consistency over perfection.
The Problem
Many fitness apps make getting started harder than it needs to be.
Fitness guidance should lower the barrier, not raise it.
Many fitness applications assume users already understand programming, overwhelm beginners, function mainly as workout logs, rely on aggressive motivation, or provide static workouts.
Assume users already understand programmingOverwhelm beginnersFunction mainly as workout logsRely on aggressive motivationProvide static workouts
The PJB Fit Approach
Supportive coaching for consistent progress.
Guided Workouts
Users move through a structured workout experience instead of managing every step manually.
Supportive Coaching
The coaching direction is centered on encouragement and helpful prompts rather than guilt.
Clear Progress
Workout history, streaks, milestones, and progress views are being designed to become easy to understand.
Intelligent Future Personalization
Planned AI-assisted coaching is intended to simplify decisions without making the experience feel complicated.
Current Product Experience
A complete interface-first workout experience is taking shape.
All current workout data flows through a centralized mock-data layer while production persistence is planned for a future backend implementation.
Branded splash and welcome
The current build introduces the PJB Fit identity with a polished startup and onboarding flow.
Login and sign-up interface
Authentication screens are implemented as interface views while production authentication remains planned.
Guided onboarding
The onboarding experience sets up the product tone and helps frame the user journey.
Home dashboard
The dashboard presents the current workout plan and key entry points for the experience.
Weekly workout plan
Users can review a structured week of planned workouts using centralized mock data.
Planned workout detail
Workout detail views show exercises, duration, equipment, and difficulty before training begins.
Guided workout logging
The workout flow supports logging sets, repetitions, and weight through a focused mobile interface.
Rest and workout timers
Adjustable rest timing, live countdown behavior, and elapsed workout timing are represented in the current experience.
Workout completion
The flow includes leave-workout confirmation, completion summary, and a foundational progress screen.
Light and dark mode
Both visual modes are represented as part of the premium mobile interface direction.
Workout Flow
Plan, review, train, rest, complete, and progress.
Plan
Review the weekly workout schedule.
Review
Open a planned workout and review exercises, duration, equipment, and difficulty.
Train
Begin the guided workout and record sets, repetitions, and weight.
Rest
Use the adjustable rest timer between sets.
Complete
Continue through the remaining exercises and finish the workout.
Progress
Review the completion summary and foundational progress experience.
Product Philosophy
Progress over perfection.
Fitness should encourage growth and adapt to real life.
Fitness should encourage growth, celebrate consistency, and adapt to real life instead of demanding unrealistic perfection. PJB Fit emphasizes sustainable habits, confidence building, and long-term improvement.
Consistency over intensityEncouragement instead of guiltSustainable habitsConfidence buildingLong-term improvement
Architecture
Interface first, then persistence.
This architecture was intentionally chosen so backend services can later replace the data layer without redesigning the workout experience.
Mobile InterfaceThe user experience was built first to validate the workout flow and product feel.Centralized Mock DataCentralized mock data supports rapid iteration without scattering placeholder values across screens.Future Supabase BackendBackend services are planned to replace the data layer without redesigning the interface.
Technology
Current stack and planned platform services.
Current Technology
Current development build
- Expo
- React Native
- TypeScript
- Expo Router
- Centralized Mock Data
- Visual Studio Code
- Codex-assisted implementation workflow
Planned
Future backend and intelligence
- Planned: Supabase Authentication
- Planned: PostgreSQL
- Planned: Persistent Workout Sessions
- Planned: Cloud Synchronization
- Planned: AI-assisted Insights
Current vs Planned
A clear separation between what exists now and what comes later.
Current Development Build
Implemented interface experience
- Guided workout flow
- Workout planning
- Workout detail
- Workout logging
- Adjustable rest timer
- Elapsed workout timer
- Workout completion
- Light Mode
- Dark Mode
- Centralized mock data
Planned
Future product capabilities
- Planned: Supabase authentication
- Planned: Workout history
- Planned: Personal records
- Planned: Workout streaks
- Planned: Achievements
- Planned: Progress analytics
- Planned: Cloud synchronization
- Planned: Adaptive workout programming
- Planned: AI-assisted coaching
- Planned: Wearable integration
Development Journey
From early UI exploration to a polished workout vertical slice.
Interface-first strategy
PJB Fit is being shaped around the workout experience before backend infrastructure is finalized.
Design exploration
Early UI direction included Google Stitch for design inspiration only; PJB Fit remains an original PJBStudios product.
Centralized mock data
The project evolved from scattered placeholder values to a centralized mock-data layer.
Workout vertical slice
The current build includes a complete workout flow from planning through completion summary.
Workout Flow Polish Sprint v1
The workout flow was refined for clarity, timing, logging, and smoother completion behavior.
Codex workflow
Development shifted from Replit-assisted exploration to Visual Studio Code and Codex-supported implementation.
Roadmap
Planned phases for the next stage of PJB Fit.
Product Status
Active development, not yet publicly released.
Status
Active Development
PJB Fit is not yet publicly released and does not currently display App Store or Google Play availability.
Current Milestone
Complete interface-first workout experience.
Next Major Milestone
Progress Dashboard and persistent workout tracking.