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
Pair Eyewear
One Pair of Glasses, Infinite Possibilities.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 5.0
232 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 included18 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 Pair Eyewear: map the core Shopping 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 create fully custom eyewear styles.
Assumption to check: Limited customization options for products
Validate with people who use this workflow before building.
Hypothesis 2
Optimize image loading and network requests.
Assumption to check: Inconsistent loading times
Validate with people who use this workflow before building.
Hypothesis 3
Implement a more detailed order tracking system with notifications.
Assumption to check: Difficulties in tracking orders
Validate with people who use this workflow before building.
Hypothesis 4
Integrate more payment methods including cryptocurrencies.
Assumption to check: Limited payment options
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
One Pair of Glasses, Infinite Possibilities. Download the app today for the most seamless way to shop Pair Eyewear! Streamlined Shopping & Smart Checkout All your go-to styles are in one place, and with your saved info locked in, checking out is faster than ever. Exclusive Products Shop VIP Top Frames and bundles only available in the app. Exclusive Offers & Sales Score extra deals, be the first to access drops and sales, and more. Customizable Wishlists Love it? Save it! All your favorites will be stored in one handy spot. Loyalty Program With the Pair Rewards program, you’ll earn points on your purchases and score dollars off future orders! As you level up, you’ll unlock extra perks. Virtual Try-On Shop just like in-store from the comfort of your couch. Virtually try on our Base Frames to see the styles that suit you! Pair reimagines the way you wear glasses. With just one Pair, you can switch up your look in a snap with thousands of swappable, magnetic Top Frames and Sun Tops. Getting started is easy (and so much fun)! Choose a Base Frame—we’ve got frame shapes for every face, starting at just $60 USD. Explore Top Frames—bold colors, staple patterns, UV-blocking Sun Tops, and collaborations with the brands you know and love, plus so much more. Submit Your Rx—We’ll fill your Rx for you in our USA lens lab, from single vision to progressives. Peruse our specialty add-ons, like blue-light blocking, light-responsive lenses, readers, and premium lenses.
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.
