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
WISHUPON - Shopping Wishlist
A UNIVERSAL WISHLIST FOR ALL YOUR FAVORITES & GIFTS
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
314 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 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 WISHUPON - Shopping Wishlist: 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
Implement advanced search filters and recommendations based on user preferences.
Assumption to check: Limited product discovery and filtering options
Validate with people who use this workflow before building.
Hypothesis 2
Introduce gamification elements to keep users engaged.
Assumption to check: User engagement drops after initial use
Validate with people who use this workflow before building.
Hypothesis 3
Optimize the app for better performance on low-end devices.
Assumption to check: Inconsistent performance on older devices
Validate with people who use this workflow before building.
Hypothesis 4
Create shareable links for wishlists that non-users can access.
Assumption to check: Difficulty in sharing wishlists with non-users
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
A UNIVERSAL WISHLIST FOR ALL YOUR FAVORITES & GIFTS Save items from millions of online stores in one place. Track prices, share wishlists, and simplify gift-giving — all in one app. SAVE FROM ANY STORE Found something you love? Just one tap to save it to your wishlist — from any online shop. Forget screenshots and copied URLs. SHARE WITH FRIENDS & FAMILY Share your wishlist via DM, iMessage, WhatsApp, Instagram DM. PLAN GIFTING YOUR WAY Planning a birthday, wedding, or baby shower? Create a gift registry and let friends reserve items. You’ll get notified when someone reserves a gift. — No sign-up needed for gift givers. — No duplicate gifts. Ever. — 100% free for you and your gift givers. SURPRISE MODE Turn on Secret Mode for gifting — you won’t know when someone reserves a gift. Perfect for Secret Santa moments! NEVER MISS A DEAL We track price drops and alert you instantly — so you always get the best price. Please feel free to send any questions or feedback to hello @ wsupon.com. Your comment is our command. - Instagram : @wishuponinparis - Tiktok : @shopwishupon - Twitter : @shopwishupon --- Upgrade to Wishupon Plus - Price may vary based on location and currency. - Unlimited pins - Manage a Purchased list - Adding a note - Unlimited wishlists Subscriptions will be charged to your credit card through your iTunes account. Your account will be charged $1.99(monthly) for renewal within 24 hours prior to the end of the current period. Subscriptions will automatically renew unless canceled at least 24 hours before the end of the current period. It will not be possible to immediately cancel a subscription. You can manage subscriptions and turn off auto-renewal by going to your account settings after purchase. Refunds are not available for unused portions of a subscription. Wishupon Privacy Policy: https://wishupon.app/policy/privacy/en/index.html Wishupon Terms of Service: https://wishupon.app/policy/terms-of-service/en/index.html
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.
