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
Send Love • Greeting cards
With this app, you can create greeting cards with stickers to send love messages!
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included15 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 Send Love • Greeting cards: map the core Graphics & Design 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
Offer a wider range of templates and customization features.
Assumption to check: Limited card customization options
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more intuitive category search and filtering system.
Assumption to check: Difficult to navigate categories
Validate with people who use this workflow before building.
Hypothesis 3
Provide a guided tutorial for first-time users.
Assumption to check: Poor user onboarding experience
Validate with people who use this workflow before building.
Hypothesis 4
Integrate share functionality to social media platforms.
Assumption to check: No social sharing 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
With this app, you can create greeting cards with stickers to send love messages! - Select stickers from a large choice of 111 images. - Compose your own greetings. - Personalize your greeting cards by adding stickers, photos or emojis. - Choose gradient background colors, shadows, font, orientation. - Send it with Facebook, Messenger, Twitter, WhatsApp, Messages, email and more! - Save the greeting card or the sticker in your photos library to use it in other apps. How to edit a Greeting card? : - Long press to edit an object and move an object in front of another. - Scale and rotate an object with 2 fingers (pinch and rotate gestures). - Drag and move an object with 1 finger (pan gesture). - Double tap to edit an object. - Tap with 1 finger to show or hide toolbars. Stickers for iMessage App also included. ========================== Developed and packaged by Ghislain Fortin. Images edited by Isabelle Dextraze. http://ghislainfortin.wixsite.com/mobile-apps --------------------------------------- Images supplied by Pixabay. https://pixabay.com Creative Commons License CC0 1.0 Universal (CC0 1.0) --------------------------------------- Noto Color Emoji font artwork provided by Google. Noto is a trademark of Google Inc. Noto fonts are open source. https://github.com/googlei18n/noto-emoji/ Apache License Version 2.0 http://www.apache.org/licenses/ --------------------------------------- Flags emoji artwork is provided by Emojitwo, originally released as Emojione 2.2 by Ranks.com with contributions from the Emojitwo community and is licensed under CC-BY 4.0. https://www.emojione.com https://github.com/EmojiTwo/emojitwo Creative Commons Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/
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
Axios
React Navigation
Firebase
Zustand
BUILD KIT DIFFICULTY
Intermediate
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.
