App Overview

Penalty Shoot-out Simulator icon

Penalty Shoot-out Simulator

Ed Stockly · Sports

Penalty Shoot-out simulator is an instructional app that demonstrates using the Rule-of-Six to determine if a team has an insurmountable lead during the first five rounds of a soccer Penalty Shoot-out

$1.99 · In-app purchases

PRICE
$1.99
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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What's included14 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.

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.

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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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Penalty Shoot-out Simulator: 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

Add more shooting scenarios and difficulty levels.

Assumption to check: Limited gameplay options compared to other sports apps

Validate with people who use this workflow before building.

Hypothesis 2

Integrate social sharing and leaderboards.

Assumption to check: Lack of user engagement features

Validate with people who use this workflow before building.

Hypothesis 3

Introduce a practice mode for skill improvement.

Assumption to check: No training or practice mode

Validate with people who use this workflow before building.

Hypothesis 4

Create forums or chat for users to discuss strategies.

Assumption to check: No community 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

Penalty Shoot-out simulator is an instructional app that demonstrates using the Rule-of-Six to determine if a team has an insurmountable lead during the first five rounds of a soccer Penalty Shoot-out. The user can set up a simulated shoot-out, setting the number of eligible players, the names and colors of the teams, then enter results of each team's turns one-by-one. The app keeps track of the goals scored and a Rule-of-6 tally for each team. A team gets a Rule-of-6 tally mark for each of their goals, and each of their opponent misses. If either team's Rule-of-6 tally reaches six before the end of the fifth round, that team has an insurmountable lead and is the winner. The app also provides referees a printable Penalty Shoot-out scorecard that incorporates the Rule-of-6. The app can also be used to follow along during an actual Penalty Shoot-out.  • Track penalty shoot-outs in real time • Customizable team colors and names • Select player numbers for each turn • Professional referee Penalty Shoout-out Scorecard • Rule-of-Six demonstration and automatic calculation

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-reanimated
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.