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
SportCam - Video & Scoreboard
SportCam enables you to live stream sports from your device directly to Facebook, YouTube or over RTMP, it also adds a scoreboard which adds a touch of a professional broadcast to your live video.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.1
402 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 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 SportCam - Video & Scoreboard: 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
Implement a more intuitive UI for managing recordings and displaying scores.
Assumption to check: Users find it challenging to manage recordings and scores effectively.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the subscription model and provide clear explanations of benefits.
Assumption to check: In-app purchase options can be confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance video recording quality and optimize performance for various devices.
Assumption to check: Some users report issues with video quality and performance.
Validate with people who use this workflow before building.
Hypothesis 4
Add options for users to share recordings on social media platforms.
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
SportCam enables you to live stream sports from your device directly to Facebook, YouTube or over RTMP, it also adds a scoreboard which adds a touch of a professional broadcast to your live video. You can easily start a live video stream, SportCam will embed a scoreboard to your video on which you will be able to add points by either touching the screen or remotely with a second device. If you are an amateur, semi-amateur or even a professional player of sports like tennis, squash, badminton, football (soccer), basketball, volleyball, table tennis and many others, SportCam helps you bring your game online and live! Organizing tournaments? Championships? Or any kind of sports events (even the regular weekly match)? SportCam is perfect to live stream matches and also add a scoreboard to your video stream. Along with our own software Rankedin (we recommend you to check on it), it will help you to organize, control and stream your sports events like a pro. FREE to use and explore, SportCam is constantly being improved with our current version capable of: • Score points on screen • Remote scoring with a second device • Display of sponsors' and teams' logos • Full-screen graphic (break) overlay • Custom text overlay • Select the team's main colors • Counter Up / Counter Down / Counter Adjustment • RTMP • Scoreboard customization • Store video on a mobile memory • White label • Enter Player/Team Names • Video Stream Live to Facebook or YouTube • Zoom In and Out We value your feedback, so please for any problem, bug or suggestion contact us on [email protected] Reminder: enabling a live stream on YouTube for the first time, may take up to 24 hours. Once enabled, your stream will go live instantly. Terms and Conditions: https://rankedin.com/en/termsandconditions
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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
@react-navigation/native
expo-camera
react-native-video
@react-native-async-storage/async-storage
BUILD KIT DIFFICULTY
Advanced
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.
