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
Bracket Tracker
Manage the madness!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.3
54 ratings · Top 30%
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's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 Bracket Tracker: map the core Sports 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
Allow users to customize bracket formats and styles.
Assumption to check: Limited customization options for brackets
Validate with people who use this workflow before building.
Hypothesis 2
Implement real-time score updates with notifications.
Assumption to check: Difficulties in score updates
Validate with people who use this workflow before building.
Hypothesis 3
Introduce gamification elements to retain users.
Assumption to check: User engagement drop after tournaments end
Validate with people who use this workflow before building.
Hypothesis 4
Add friend connectivity and sharing features to enhance user interaction.
Assumption to check: Lack of social 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
Manage the madness! Bracket Tracker allows you to create as many brackets and pools as you'd like. Challenge your friends or co-workers. Check the latest scores and keep up with the standings. Supporting both the men's and women's college basketball tournaments in March. Features: * Custom scoring including seed scoring. Award any number of points for wins in each round. Optionally include the seed as a bonus for upsets. * Locking groups at tip off is optional. Brackets and pools can be created anytime before or after tip off. * No limits on how many brackets and pools you create. If you're still collecting paper brackets for your group you can put them all in Bracket Tracker to keep the standings up to date for you. * Themes! Tired of your bracket app having the colors of a rival team? Change it! * "Speculate" allows you to fill in upcoming games in the results bracket to see how they impact your standings. *** Contact us directly at [email protected] to create a unique experience for your organization! *** Thanks to Lee Wells for his time designing the new layout. I've been thrilled with it and I hope you are as well.
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
Zustand
Supabase
React Navigation
@react-native-community/carousel
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.
