Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
FusionGO
FusionGO is your personal companion for your rec experience - designed to remove barriers and simplify every visit to your rec center.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 3.3
10 ratings · Below Average
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for FusionGO: map the core Health & Fitness workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Offer a wider range of workouts and custom routines.
Assumption to check: Limited workout variety and tracking features
Validate with people who use this workflow before building.
Hypothesis 2
Implement detailed food logging with barcode scanning.
Assumption to check: Basic nutrition tracking
Validate with people who use this workflow before building.
Hypothesis 3
Add community challenges and social sharing options.
Assumption to check: Lack of social features
Validate with people who use this workflow before building.
Hypothesis 4
Enhance UI with animations and visual progress tracking.
Assumption to check: User interface could be more engaging
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
FusionGO is your personal companion for your rec experience - designed to remove barriers and simplify every visit to your rec center. Skip the lines. See gym occupancy in real-time. Register for programs instantly. Your entire rec experience, in one app. DIGITAL ID & QUICK ACCESS Your digital membership card lives on your phone, ready whenever you are. Check in at the front desk with a simple scan and get moving faster. REAL-TIME FACILITY OCCUPANCY See how busy the gym is before you leave. Live occupancy data helps you find the perfect time to work out - no more waiting for equipment or crowded weight rooms. BROWSE & REGISTER FOR PROGRAMS Explore fitness classes, programs, personal training, and special events. Find programs that match your interests, check availability, and register in seconds. INSTANT NOTIFICATIONS Get real-time alerts for schedule changes, facility closures, registration deadlines, and events you care about. BUILT FOR YOUR REC COMMUNITY Whether you're a daily gym-goer or just getting started on your wellness journey, FusionGO connects you to your rec center like never before. Why Students Love FusionGO ▸ Check gym occupancy before heading out ▸ Register for fitness classes and programs instantly ▸ Access your digital ID for quick facility check-in ▸ Get personalized schedules based on your interests ▸ Receive notifications about changes and events ▸ Stay connected to your rec community Getting Started ▸ Download and open FusionGO ▸ Sign in with your email or username ▸ Select your school or organization ▸ Enter your institutional credentials ▸ Start exploring programs, schedules, and facilities We're constantly improving based on feedback from students and rec professionals. Your experience matters. Download FusionGO and take control of your rec experience.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Supabase
Victory Native
React Navigation
React Native Paper
BUILD KIT DIFFICULTY
Intermediate
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
