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
Blinq: Digital Business Card
Introducing Blinq: The Ultimate Digital Business Card Solution
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
133,091 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 Blinq: Digital Business Card: map the core Business workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Introducing Blinq: The Ultimate Digital Business Card Solution Transform the way you network with Blinq, your go-to electronic business card maker. Effortlessly craft a sleek virtual business card in less than two minutes, accessible to anyone, app-free. Blinq’s innovative design lets you exchange professional details swiftly and memorably. EFFICIENT & CUSTOMIZABLE CREATION - Swiftly download Blinq and create your electronic business card in a flash. - Customize with over 20 fields, including social media, unique links, and more, ensuring your virtual business card truly represents you. VERSATILE SHARING OPTIONS - Share your digital business card through personalized texts, emails, or via its unique URL. - Utilize the QR card feature, enabling seamless exchange through a scannable QR code. - Craft multiple cards for different contexts, enhancing the relevance of each interaction. - Integrate your Blinq card with Apple Watch and use dynamic email signatures and virtual backgrounds. QR CODE GENERATION & USE - Each Blinq virtual business card generates a personal QR code, widening your sharing possibilities. - Embed your card’s QR code on websites, brochures, and more for broader exposure. EXPAND YOUR NETWORK - Exchange electronic business cards instantly, building your network on-the-go. - Annotate contacts for deeper engagement and follow-up. - Empower Your Team with Blinq Business MANAGE YOUR TEAM'S VIRTUAL BUSINESS CARDS IN A CENTRALIZED DASHBOARD - Create consistent electronic card templates aligned with your brand identity. - Seamlessly integrate contacts into your CRM for efficient client follow-ups. NFC CARD INTEGRATION - Pair your Blinq card with an NFC card for versatile networking at any event. - Easily create and order your NFC card through the app. GLOBAL REACH - Join the worldwide community using Blinq to enhance networking. - Ideal for global travel, conferences, trade shows, and customer interactions. CONTINUOUS INNOVATION - Your feedback fuels Blinq's growth. Share your ideas at [email protected]. Full Terms & Conditions are available here - https://blinq.me/legal/terms-conditions. Elevate your professional presence with Blinq – the ultimate business card maker, transforming networking into a seamless, digital experience.
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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 upload custom images and backgrounds for cards.
Assumption to check: Limited customization options for card design
Validate with people who use this workflow before building.
Hypothesis 2
Implement more sharing options and integrations with additional social networks.
Assumption to check: Sharing limitations with certain platforms
Validate with people who use this workflow before building.
Hypothesis 3
Introduce a freemium model with essential features available for free.
Assumption to check: Subscription model may deter some users
Validate with people who use this workflow before building.
Hypothesis 4
Add a feature to easily switch between multiple business cards.
Assumption to check: Difficulties in managing multiple cards
Validate with people who use this workflow before building.
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
Zustand
react-native-svg
@supabase/supabase-js
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.
