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
On3 App
Introducing the On3 Sports App, your ultimate companion for all things college sports, football and basketball recruiting, NIL, Transfer Portal, and beyond
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.4
249 ratings · Below Average
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 On3 App: 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
Incorporate more interactive features like polls and user-generated content.
Assumption to check: Limited content variety affecting user engagement.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a cleaner design with better spacing and organization.
Assumption to check: User interface may feel cluttered.
Validate with people who use this workflow before building.
Hypothesis 3
Focus on stability and performance optimization.
Assumption to check: Inconsistent performance and bugs during usage.
Validate with people who use this workflow before building.
Hypothesis 4
Utilize user data to provide tailored content suggestions.
Assumption to check: Lack of personalized content recommendations.
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
Introducing the On3 Sports App, your ultimate companion for all things college sports, football and basketball recruiting, NIL, Transfer Portal, and beyond. Get ready to immerse yourself in a world of trusted news, comprehensive data, and expert insights on your favorite teams, all conveniently accessible through this feature-rich app. Stay on top of the latest developments in college sports with the On3 Sports App. We understand the importance of accurate and reliable information, which is why we've partnered with a network of local experts who are deeply connected to the world of collegiate athletics. These seasoned journalists and insiders bring you up-to-the-minute news, exclusive interviews, and in-depth analysis that go beyond the surface. With their unique perspectives and insider knowledge, you can trust that you're getting the most comprehensive coverage available. Unlock the best of College Sports through our vast network of fansites: Auburn Live, BamaOnLine, BWI, Blue and Gold, CaneSport, DawgsHQ, GamecockCentral, Gators Online, Gold and Black, Hawkeye Report, HuskerOnline, Inside Texas, K-State Online, KSR, Lettermen Row, Maroon and White, OM Spirit, On The Pony Express, Scoop Duck, Sooner Scoop, SpartanMag, The Bengal Tiger, The Wolfpacker, The Wolverine, Volquest, Warchant, and WeAreSC. The On3 Sports App goes beyond news and analysis; it empowers you with the data and insights you need to truly understand the game. Dive into detailed statistics, historical data, recruiting rankings, and much more. Whether you're a passionate fan or a coach looking for a competitive edge, our app provides the tools and information to satisfy your thirst for knowledge. Recruiting is a crucial aspect of college sports, and the On3 Sports App ensures you stay ahead of the game. Get comprehensive coverage of football and basketball recruiting, including player profiles, rankings, commitments, and updates on the Transfer Portal. Stay informed about the future stars of your favorite teams and track the progress of recruiting classes with ease. To enhance your experience, the On3 Sports App features push notifications, delivering real-time alerts straight to your device. Whether it's breaking news, game updates, roster changes, or recruiting developments, you'll never miss a beat. Customize your notification preferences to receive updates tailored specifically to your favorite teams and topics of interest. With push notifications, you can stay connected to the world of college sports anytime, anywhere. The On3 Sports App is your gateway to a comprehensive and immersive college sports experience. From trusted news to expert analysis, from comprehensive data to real-time alerts, this app has it all. Download the On3 Sports App today and unlock a new level of engagement with the world of college sports. Whether you're a dedicated fan, a curious observer, or a student-athlete with dreams of playing at the next level, this app is your ultimate companion on your college sports journey. Terms of Use: https://www.on3.com/page/terms-of-service/ Privacy Policy: https://www.on3.com/page/privacy-policy/ Questions? Suggestions? Speak to a real person at On3! Our trusty customer support team is just an email away—simply write to [email protected]
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 Navigation
TypeScript
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.
