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
Gantt Planner: Task & Timeline
Description (Optimized for Revenue + Ranking)
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included15 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 Gantt Planner: Task & Timeline: map the core Business 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
Implement bulk actions for task management.
Assumption to check: Difficulty in managing multiple tasks at once
Validate with people who use this workflow before building.
Hypothesis 2
Provide customizable views (daily, weekly, monthly) for timelines.
Assumption to check: Limited visualization options
Validate with people who use this workflow before building.
Hypothesis 3
Add a guided tutorial for new users.
Assumption to check: Poor user onboarding experience
Validate with people who use this workflow before building.
Hypothesis 4
Integrate real-time collaboration tools for teams.
Assumption to check: Challenges with collaboration features
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
Description (Optimized for Revenue + Ranking) Turn complex projects into clear, actionable timelines with Swift Gantt Planner. Plan smarter, track progress, and complete tasks faster using simple, visual Gantt charts—without the complexity of traditional project management tools. Built for Execution Swift Gantt Planner is designed for people who want results—not clutter. Whether you're managing a startup, handling client work, or organizing personal goals, this app helps you stay focused and in control. Key Features Visual Gantt Charts Create clean, easy-to-understand timelines to plan and manage your projects. Task Tracking Made Simple Track progress, manage deadlines, and stay on top of every task. Timeline & Scheduling Organize tasks across days and weeks with a clear visual structure. Focus on What Matters Quickly see what’s in progress, what’s overdue, and what’s next. Fast & Lightweight No setup, no login—just open and start planning instantly. Offline First Your data stays on your device. No distractions, no complexity. Perfect For Startup founders managing multiple projects Freelancers tracking client timelines Developers, designers, and builders Anyone serious about productivity Why Swift Gantt Planner? Most project tools are overloaded with features you don’t need. Swift Gantt Planner focuses on what actually matters: clarity speed execution Get Started Now Download Swift Gantt Planner and turn your plans into completed projects.
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
Zustand
react-native-gantt-chart
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.
