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.
For families who believe in the enduring magic of storytime
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.
Kit ready. Verify your email to download it.
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 Vooks: Read-Aloud Kids' Books: map the core Books workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
For families who believe in the enduring magic of storytime. Vooks is the trusted space where books come to life—gently narrated, beautifully animated, thoughtfully paced, and always hand-crafted by humans, never AI—for calm, connection, and growth. TWO APPS, ONE GREAT PRICE Your Vooks subscription gives you two great apps for the price of one: Vooks and Vooks Creator, where kids can make their own digital books with text, images, drawings, and voice recordings—turning their love of stories into stories of their own. NEW AUDIO LIBRARY For the moments when your family wants stories without the screen, Vooks now includes Listen—a growing audio library for quiet time, bedtime, car rides, wind-downs, and all the little in-between moments. With beloved stories, music, a sleep timer, and even a toothbrush timer, Listen helps turn everyday routines into calmer, sweeter moments kids look forward to. FOR PARENTS WHO WANT BETTER Created for parents who value quality over chaos, Vooks helps children fall in love with stories the way you remember—through warmth, rhythm, and wonder. Whether it’s part of your bedtime routine, a quiet moment in the middle of a busy day, or a chance to create together, Vooks is the safe, ad-free choice for families who want technology to reflect their values—not fight them. **Loved by over 1.6 million parents and teachers worldwide, Vooks keeps kids engaged in a way that feels meaningful, not mindless.** THE BEST READ-ALOUD EXPERIENCE Gentle animation engages without overstimulating. Perfectly paced narration feels like being read to by someone you love. Read-along text builds literacy naturally and joyfully. Stories build character, sparking imagination, empathy, and confidence. Vooks is more than an app—it’s a way to preserve the ritual of reading together, even when life gets busy. With a growing library of handpicked titles, Vooks offers a calm, trusted corner of the digital world where stories nurture imagination, character, and connection. A READING ROUTINE THEY’LL LOVE Early reading ability is one of the strongest predictors of lifelong success—and nothing gets kids excited about reading like Vooks. It makes fitting in those 20 minutes a day easy and joyful. Watch your child’s vocabulary, language skills, and love of books grow with every story. Explore hundreds of beautifully animated stories in English—with 100+ in Spanish—chosen to support emotional growth, teach meaningful lessons, and celebrate diverse voices and experiences. Become the voice of your favorite stories with Storyteller. Record yourself reading aloud, adding a personal touch to storytime, then share your recordings with loved ones anywhere, on tablet, desktop, or laptop. Create personalized playlists your little one will love. Handpick titles around favorite themes, learning moments, or routines, and share the magic of reading your way. “My three children all love Vooks! It’s a real treat for them, the animations are gorgeous and the bonus is that their reading skills are improving as we watch.” – Melissa, Australia “We love Vooks! As an educator and a parent I want to make sure that the time my kids spend with technology is engaging and fun. The stories are great and captivating!” – Jan, U.S. Privacy & Safety Your child’s privacy is our top priority. Vooks is COPPA and FERPA compliant. Full access requires an adult to purchase a monthly or annual auto-renewing subscription within the app. Subscription Options Monthly: $9.99/month Annual: $69.99/year Pricing may vary by region and is confirmed at purchase. Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. Manage your subscription in Apple Account Settings. Unused trial time is forfeited upon purchase. Terms of service: https://www.vooks.com/termsandconditions/ Privacy policy: https://www.vooks.com/privacy/
Written user reviews are not shown here. Check current App Store reviews >
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 selection of books compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Some users report issues with audio playback
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Subscription model may not be clear to users
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app navigation can be confusing
Validate with people who use this workflow before building.
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.