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
Softball Stats Tracker Pro
-Track your Softball stats by game, season, or career
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.4
143 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.
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 Softball Stats Tracker Pro: 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
Include advanced stats and analytics features.
Assumption to check: Limited player statistics tracking compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement a cleaner UI design with better spacing.
Assumption to check: User interface can feel cluttered
Validate with people who use this workflow before building.
Hypothesis 3
Optimize data handling and loading times.
Assumption to check: Inconsistent performance with large data sets
Validate with people who use this workflow before building.
Hypothesis 4
Add functionality for users to easily share stats and achievements.
Assumption to check: Lack of social sharing 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
-Track your Softball stats by game, season, or career. Any league (6U - college ball) -Used worldwide to track batting, pitching, catching, and fielding stats (over 90 stats) -Great for training and tracking progression with the ability to save and EMAIL out stats to anyone! -Parents & Coaches choice! Based on the #1 selling personal Softball/Baseball Stats Tracker Touch app (over 20,000 sold) √ GREAT FOR TRAINING AND TRACKING PROGRESSION Parents, this app is great for your child's Little League games! Track their stats, progression, and the entirety of their Little League careers, regardless of the league or team. Softball Stats Tracker is perfect for all competitive or recreational softball, baseball, and kickball leagues. Softball Stats Tracker is even used in national softball tournaments across the country. √ UNLIMITED USERS AND TRACKING! Keep track of stats for Softball, Baseball, and Kickball all on your iPhone, iPod Touch, and iPad. While other stat trackers only let you keep track of games, Softball Stats Tracker allows you to keep track of games, seasons, and even careers! √ EMAIL OUT RESULTS! Email out results for over 90 stat categories! Email out as games, seasons, or even whole careers. Email your game stats to friends, parents, coaches, and scouts! √ SIMPLE AND EASY TO USE! Softball Stats Tracker is the most comprehensive and complete stat keeper in the entire App Store giving you the ability to track all batting, pitching, fielding, and catching stats with ease. Created by a softball player for the player! ►Do You LOVE Softball? and want to track all your batting, pitching, catching, and fielding stats? √ The only app that offers you the ability to track over 90 stats over entire games, seasons, and careers! Features -NEW features this version- -No Internet Needed! -Premium App! No Ads, IAP, or Subscriptions! Buy to own Forever! -Redesign for new devices and old! -Support page Upgrade -New Stats -Fixed minor bugs on the Stat Info page -Features Include- √ Over 90 stat categories! -most in the App Store-. √ Batting, Pitching, Catching, Fielding, and Team stats. √ Track an unlimited players by unlimited games, seasons and even Careers!!! √ Great training tool - track your progression. √ Designed for softball, baseball and kickball. √ Great for 6U - 18U, little league, minors, majors, slowpitch, fastpitch, tee ball, dixie etc... √ Includes batting, pitching, catching and fielding stats. -Pitch Speed Gun - Calculate your pitch speed at any level little league - majors. -Projected Stats- Ability to project your season stats based off of current games played. √ Projected Stats is great for comparing your season's stats to MLBs season stats. √ Stopwatch - Great for conditioning and drills. √ Email your stats to parents, friends, coaches, and scouts. √ Real-time updating stats - instant calculations. √ View and edit past stats. √ Simple, clean and easy-to-use interface. √ Brilliant softball themed HD Retina interface. -Great for any athlete, from tee ball to the pros. √ Quick Support - In app email support. This App is brought to you by TouchMint, an Innovative leader in iPhone Sport Tracking Apps.
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
React Navigation
Supabase
React Native Paper
BUILD KIT DIFFICULTY
Starter
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.
