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.
Craftbook helps you learn crochet with ease, even if you've never held a hook before
Free · 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 CraftBook: Crochet Made Easy: map the core Reference 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 pattern variety compared to other apps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in navigating large collections
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of community features
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.
Craftbook helps you learn crochet with ease, even if you've never held a hook before. Learn new stitches, explore curated patterns, follow along with full video tutorials, and track your progress — all in one place. With beginner-friendly projects and step-by-step guided instructions, Craftbook supports your crafting journey from the very first chain stitch. It's an all-in-one crochet tutor designed to help you create with confidence. Learn Step by Step Go from "what's a slip knot?" to "I made this!" Our structured beginner path guides you through foundational stitches and into real projects. With a clear, natural progression tailored to your experience level, you'll build the skills and confidence to crochet anything you imagine. Full Video Tutorials Master the basics with complete video guides — not fragmented social media clips. End-to-End Guidance: Every single stitch shown from start to finish. Captions & Playback Control: Watch at your own pace with subtitles, adjustable speed, and easy scrubbing. Resume Anytime: Pick up exactly where you left off. Your position is always saved. A Pattern Library That Grows With You Discover quick beginner patterns alongside more advanced challenges. Our library is organized by category, tags, and skill level. Curated Collection: From cozy everyday essentials to seasonal showstoppers, find your next project here. Explore expert-curated patterns including amigurumi, home decor, wearables, and gifts. Fresh Updates: New patterns added regularly, so you always have something new to make. Detailed Info: Every pattern includes yarn requirements with color options, tools needed, gauge, and stitch techniques. Two Ways to Follow Along Choose the guide mode that suits you best: Beginner Mode: Extra tips, detailed substeps, and encouraging guidance at every stage. Concise Mode: Streamlined instructions for when you just need the essentials. Built-In Progress Tracking Keep every project on track. Craftbook saves your progress through each guide step so you can pause anytime and return right where you left off — clearly and accurately. Stitch Glossary Not sure how a stitch works? Every technique referenced in a pattern links directly to a video tutorial. Tap to learn, then get right back to your project. Personalized From the Start Craftbook's onboarding adapts to you. Tell us your experience level and crochet goals, and we'll recommend the perfect starting point — whether that's your very first chain or a new challenge to level up your skills. Discover Creators Browse patterns by talented creators. Explore their profiles, see their full collections, and find your favorite pattern designers. Why You'll Love Craftbook: Personalized Learning: Tailored to your skill level and goals from day one. Beginner Path: A structured journey from zero to confident crocheter. Complete Video Lessons: Full project tutorials, not just quick clips. Flexible Guides: Switch between beginner and concise modes anytime. Progress Saved: Pause and resume any project without losing your place. Beautiful Library: Curated patterns across categories, filterable by tags and skill level. Stitch Reference: Built-in glossary with video links for every technique. Download Craftbook and enjoy a smoother, more confident way to crochet. From learning your first stitch to finishing your next project, everything you need is right here. [About Craftbook Premium] Payment will be charged to iTunes Account at confirmation of purchase Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period The account will be charged for renewal within 24 hours before the end of the current period Terms of Use: https://www.tofallc.com/terms Privacy Policy: https://www.tofallc.com/privacy
Written user reviews are not shown here. Check current App Store reviews >
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.