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
Radial — Pro Cycling
Radial brings pro cycling to you — so you can follow the action and the drama whether you're in front of the TV or getting groceries.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
84 ratings · Top 5%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 Radial — Pro Cycling: 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 social sharing options for rides.
Assumption to check: Limited social features for sharing rides
Validate with people who use this workflow before building.
Hypothesis 2
Implement GPS tracking with higher accuracy.
Assumption to check: Inconsistent ride tracking accuracy
Validate with people who use this workflow before building.
Hypothesis 3
Add support for syncing data from wearables.
Assumption to check: No integration with fitness wearables
Validate with people who use this workflow before building.
Hypothesis 4
Enable customizable reports based on user preferences.
Assumption to check: Limited customization for ride reports
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
Radial brings pro cycling to you — so you can follow the action and the drama whether you're in front of the TV or getting groceries. LIVE UPDATES Follow every race as it unfolds — live commentary, the situation on the road, who's in the breakaway, who attacked, gaps to the bunch. We'll tell you when something happens and it's time to tune in. RESULTS See results as soon as they happen... or don't. We hide results until you're ready to see them, so you have a chance to catch the replay without spoilers. WHERE TO WATCH Every race tagged with the broadcaster carrying it in your region. No more searching for the stream, we'll get you a direct link. WHAT'S COMING UP Every race that matters — from the Grand Tours to the Monuments and Classics. All World Tour and Pro Series races, both men's and women's. Browse the schedule, see what's at stake, study the course profile. THE CONVERSATION Hot-takes from cycling pundits, commentators, team insiders, and journalists. The conversation and the drama, all in one feed. BUILT BY A FRUSTRATED FAN My brother is a professional cyclist (Matteo Jorgenson), and even I find it atrociously difficult to follow this sport. So I decided to do something about it. Radial is new and we're listening — get in touch and tell us what's missing. Oh, and it's free.
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
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.
