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
Speedway: Rewards & Shopping
Earn Points
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
44,020 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's included17 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 Speedway: Rewards & Shopping: map the core Food & Drink 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
Allow users to customize items in detail before adding to cart.
Assumption to check: Limited item customization options
Validate with people who use this workflow before building.
Hypothesis 2
Optimize images and data fetching to enhance speed.
Assumption to check: Slow loading times
Validate with people who use this workflow before building.
Hypothesis 3
Implement a more detailed rewards history view.
Assumption to check: Inadequate reward tracking
Validate with people who use this workflow before building.
Hypothesis 4
Streamline navigation and reduce visual clutter.
Assumption to check: Cluttered interface
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
Earn Points. Get rewards. The official app of Speedway and Speedy Rewards lets you start earning on the fuel and merchandise you already buy. Members can redeem those points for coupons towards their favorite items or get discounts on gas with our fuel rewards. Monthly Perks ● Choose your own Monthly Perk – Either a Merchandise Perk or Fuel Perk ● Make a qualifying purchase and your reward is automatically applied ● Check back each month for new Perks App Only Speedy Deals ● Earn double the points when you can your Speedway app at checkout ● Clip app exclusive coupons to get great deals on your favorite products like pizza, beer, wine, coffee, and many more Gas Savings And Fuel Rewards ● Gas Price Search helps navigate to a gas station with cheap gas prices near you ● Select a Fuel Perk each month to accelerate your gas rewards ● Earn gas rewards when shopping at our grocery partners like Remke, Martin’s, Family Fare, Buehler’s, and many more Speedy Rewards Clubs ● Buy any 6 Coffee, Fountain, Speedy Freeze, tea or specialty drink and receive a reward of your choice ● Car Wash Club – Buy 6 car washes and receive a coupon for your 7th car wash free ● Exclusive coupons and savings Store Locator Find the closest Speedway store or gas station and filter by amenities like car wash, ATM, and diesel gas. Bonus Points ● Earn 10 points per gallon of gas and 20 points per dollar spend on merchandise ● Each month you can get Bonus Points offers on select items Speedy Cash On The Go You can buy and reload your Speedy Cash Gift Card from the Speedway mobile app so your stops at Speedway are Speedy Fast! Gift cards can be used on all Speedway purchases, excluding restricted items. What Can I Do With My Points? ● Get free stuff – Redeem your points to receive a coupon, or pay for select items at the register ● Enter to win – Every month there are exciting Speedy Rewards Sweepstakes ● Get merchandise – Redeem your points to get even more of the product you love
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
React Navigation
Axios
Zustand
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.
