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.
Everycards helps you reduce exam stress by making reviewing flexible and simple for you.
$0.29 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Everycards Flashcards Quizzes: map the core Education workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited flashcard customization options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No collaborative features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of advanced quiz settings
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No analytics on study habits
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Everycards helps you reduce exam stress by making reviewing flexible and simple for you. It offers the most customizable environment for memorization on mobile devices. Even using just the basic features of Everycards can completely change how you approach studying. BASIC FEATURES Creation & Content: • Flashcard creation • Image, text, and sound support • Markdown support in card content (italics, bold text, and more) • Live Text¹ support (copy text from images) • Ability to create personalized card album covers • Settings for card layout, image cropping and quality • Background colour, text colour, font style and size, speech rate customization¹ Learning: • Flashcards, Quiz², Hybrid, and Exam learning modes • Studying, slideshow, and exam settings • Ability to mark cards as learned or not yet • Built-in dictionary definitions for words and phrases¹ Organization & Search: • Card organization by category • Card album organization by folder • Sort and Filter options for cards and albums • Search by card text or language Privacy & Accessibility • Ability to work offline, without registration, privately • Saving card albums as CRDS³ format files • Dynamic Type, dark mode, and high contrast support • Easy-to-use navigation, simplified card management. Details on the Everycards website. * Beginner onboarding Ready for more? Fine-tune every aspect of your learning with Everycards Pro. PRO FEATURES (in-app purchase)⁴ Creation & Content: • Quiz card creation • Album import and export in CSV format⁵ • Support for drawing on cards • Support for printing cards • Ability to take photos without leaving the app • Sound recording using the built-in audio recorder with best take selection • Copy and paste support for slide content • Setting the difficulty level of quiz cards, which affects exam results • Ability to add unique explanations to quiz cards for correct and incorrect answers • Customizable card side names Learning: • Spaced repetition feature • Ability to study multiple spaced repetition albums at once • Master Mode™: learning with the interface hidden and gesture-only control • Advanced learning settings • Using categories as game levels to feel progress. Details on the Everycards website. FEATURES UNIQUE TO EVERYCARDS: • Ability to use any combination of media on both sides of a card. Text, image, sound, and drawing⁴ supported. • Hybrid learning mode that combines flashcards and quiz cards into a single learning cycle • Spaced repetition⁴ enabled independently for each album • Multiple language support for each card side • Multilingual card, category, and album names USE CASES: • Preparing for exams or tests • Expanding your vocabulary • Memorizing terms, facts, symptoms, and so on • Developing your memory TIP: You should only use spaced repetition when you have sufficient time before an exam. Happy learning! ¹ Speech, Live Text, and built-in dictionaries are not available in all regions and languages. See Apple’s website for details. ² Quiz also known as test or multiple choice questions. ³ The app’s proprietary format. All properties and media are supported. ⁴ In-app purchase required. Each Pro feature can be tried up to 7 times for free. ⁵ Supported content includes text, card / category names, and card side languages. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.