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.
hey doc, cavity sam needs your help!
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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 Operation:: 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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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 content variety compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of social features to engage users
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: High subscription cost for premium content
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline access to exercises
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.
hey doc, cavity sam needs your help! in this storybook app, inspired by the board game, kids learn the backstory of cavity sam and his ailments through 12 entertaining short tales, while practicing their fine motor skills. sam also shares "lessons learned" to model positive healthy behavior. kids learn what each ailment means as cavity sam gets personal and ‘spills his guts’ on all twelve of the classic ailments. a fun rhyming narrative introduces the user to cavity sam’s peculiar situation and how he ended up in each mess. ‘read along’ medical files give you and your emerging reader the story behind cavity sam’s every ache and pain and a fun way to practice those fine motor skills. fix him quick!! he will be so glad. return to the operating table after every successful operation to pick the ailment you want to tackle next! there are twelve different ways to make cavity sam feel better and a relatable story behind each one! plus, every successful operation includes an easy to read ‘lesson learned’ that kids can use to stay healthy and strong in their own lives. features include: • all twelve classic funny ailments, including charlie horse, adam’s apple, spare ribs, wrenched ankle, butterflies in the stomach, water on the knee, writer’s cramp, pulled muscle, broken heart, wish bone, bread basket and funny bone! • maze: navigate cavity sam’s insides to find and remove his ‘ouchies’ • surgical camera: focus the surgical camera to find what’s gone wrong (and make it right)! • deliver medicines: tilt your device to move the treatment to the right spot! • eliminate germs: swipe away the pesky bugs that are keeping cavity sam down! • cavity sam, brought to ‘achy breaky’ life! • twelve different ways to fix up cavity sam and make him feel better! • classic ‘tweezer’ interaction for every ailment help practice fine motor skills • fun rhyming narrative • learn the story behind every ‘owie’ – how did sam end up this way? • sam shares ‘lessons learned’ that kids can use to stay healthy and strong. • beautiful animations • the ‘buzzer!’ about playdate digital playdate digital inc. is a publisher of high-quality, interactive, mobile educational software for children. playdate digital's products nurture children's emerging literacy and creativity skills by turning digital screens into engaging experiences. playdate digital content is built in partnership with some of the world's most trusted global brands for kids. visit us: playdatedigital.com like us: facebook.com/playdatedigital follow us: @playdatedigital watch all our app trailers: youtube.com/playdatedigital1 have questions? we'd love to hear from you! your questions suggestions and comments are always welcome. contact us 24/7 at [email protected]
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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.