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
TT+
TT+ is the official video and live streaming platform of the Isle of Man TT Races, the world’s most famous road racing event.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
152 ratings · Top 15%
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 included16 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 TT+: 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 a chat or messaging feature for users to connect.
Assumption to check: Limited social features for user interaction
Validate with people who use this workflow before building.
Hypothesis 2
Implement location-based match discovery.
Assumption to check: Difficulty in finding local matches
Validate with people who use this workflow before building.
Hypothesis 3
Provide detailed analytics and performance tracking.
Assumption to check: Lack of advanced statistics tracking
Validate with people who use this workflow before building.
Hypothesis 4
Create a more cohesive and visually appealing design.
Assumption to check: Inconsistent user interface design
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
TT+ is the official video and live streaming platform of the Isle of Man TT Races, the world’s most famous road racing event. Watch live racing, full replays, and exclusive content from the Isle of Man TT, plus explore a huge on-demand library featuring archive races, highlights, documentaries, rider interviews, onboard laps, podcasts, and behind-the-scenes features from the greatest road race in the world. New content is added throughout the year, including original productions, rider stories, iconic TT moments, and exclusive access to the teams and personalities that make the TT unique. With the TT Live Pass, you can watch every qualifying session and race live during the Isle of Man TT Races, along with full on-demand replays, expert analysis, and coverage from our presenting team featuring riders past and present. The TT Live Pass is available as a separate purchase and offers over 40 hours of live coverage, making it the ultimate way to experience the TT from anywhere in the world. The TT Rewind archive gives you access to races dating back to 1995, so you can relive some of the greatest moments in TT history anytime. TT+ is available across mobile, tablet, desktop, and smart TV, so you never miss a moment of the action. Features • Live streaming of the Isle of Man TT Races with TT Live Pass • Full on-demand replays and highlights • TT Rewind archive with every race since 1995 • Exclusive documentaries, interviews and onboard laps • Download videos for offline viewing • Personalised watchlist • Cross-platform viewing on multiple devices Terms of Service: https://ttplus.iomttraces.com/tos Privacy Policy: https://www.iomttraces.com/legal/privacy-policy/
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.
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BUILD KIT DIFFICULTY
Expert
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.
