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.
Alphablocks and Numberblocks, How to Write is a hands-on, fun way for children to learn to write, packed with brand new Writing Magic.
$3.99 · 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 Alphablocks, How to Write: 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 activities available for users
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent user feedback on lessons
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulties in navigation for younger users
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.
Alphablocks and Numberblocks, How to Write is a hands-on, fun way for children to learn to write, packed with brand new Writing Magic. Imagine if the letters of the alphabet and numbers came to life to teach your child how to write... This is exactly what happens in How to Write! Join your favourite characters from the hit CBeebies shows, Alphablocks and Numberblocks, as they find their way home, helping children practice fine motor skills and letter formation accompanied by catchy rhymes along the way. This app is brought to you by top educators and experts in play from the BAFTA award-winning creators of Numberblocks and Blue Zoo animation studios. How does Alphablocks and Numberblocks, How to Write help your child? "Alphablocks and Numberblocks, How to Write helps children build confidence as they practice fine motor skills covering the foundational line shapes that they will need to form letters. The journey is carefully scaffolded, taking children through generic practice lines, pre-letter lines and letter formation. A brilliant app!" Professor Kate Ruttle, Early Years Writing expert and advisor to Alphablocks Ltd. 1. Carefully scaffolded learning trajectory, designed by top literacy educators and experts in play. 2. This app is fun, educational and safe, being COPPA and GDPR-K compliant and 100% ad-free. 3. All presented through a safe, 100% ad-free, digital game for your child to explore. Featuring… - Pre-writing lines to help children practice fine motor skills. - Letters are carefully broken down into four letter families, based on similarities of shape: Bouncy, Straight Line, Curly and Zigzag letter families. - Within each letter family, letters are introduced with the simplest first, so children can build up their skills confidently. - Pre-letter lines help children to repeat the key movement in each letter and numeral, as carefully specified by our literacy experts. - Letter and numeral tracing practice, accompanied by special writing rhymes for each letter of the alphabet and numbers 0-9 help children to remember the movements! - A fun adventure, helping each Alphablock and Numberblock find their way home... and ultimately customising their home with a fun surprise! Privacy & Safety At Blue Zoo Productions Ltd. and Alphablocks Ltd., your child’s privacy and safety is the first priority for us. There are no ads in the app and we will never share personal information with any 3rd parties or sell this on. You can find out more in our Privacy Policy and Terms of Service: Privacy Policy: https://www.learningblocks.tv/privacy-policy Terms of Service: https://www.learningblocks.tv/terms-of-service
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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.