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.
**** As seen on Nick Jr
$2.99 · 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 Hey Duggee: The Big Badge App: map the core Entertainment 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 lead to quick user disengagement.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases can be confusing for parents.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Some activities may not be suitable for all age ranges.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of social sharing features limits user interaction.
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.
**** As seen on Nick Jr. ***** The very first official Hey Duggee app for the new Nick Jr. pre-school favourite. It’s Duggee Time! Safe, trusted, ad-free fun for your little ones. Join Duggee and the Squirrels at the Clubhouse as they work hard to earn their badges: Re-style Duggee's crazy hair; bring out your inner artist and colour in your favourite Squirrel; dress up each of the squirrels in their heroic Super Squirrel costumes; put your chef's hat on and bake a cake with Duggee; turn super-sleuth as you hunt for an outstanding leaf collection; get Christmassy and decorate a tree with Duggee. Key Features: • Explore the Squirrel Club and interact with all your favourite characters across 6 fun games • Collect six badges for each of the Squirrels – but make sure you leave time for a Duggee Hug! • Visit your gallery to see a Polaroid of all your wonderful game creations Games: The Hair Badge Cut, colour and style Duggee’s hair any way you want, using lots of different tools – a brush, scissors, colour dye and even hair growth cream for when you snip off too much. Frizzy hair, straight hair, blue hair…the choice is yours. The Drawing Badge Select from different pens, pencils and paints to colour in the Squirrels - a pink and red Norrie with spots or a stripy Betty perhaps. When you’re happy with your drawing, watch with pride as Duggee displays your picture in the Clubhouse. The Super Squirrel Badge Dress up the Squirrels in an exciting range of heroic Super Squirrel outfits. Mix and match capes, masks, hats and more to style your Super Squirrel then watch them display their amazing costumes especially for you. The Cake Badge There’s lots of ingredients for you to add to your cake, so you’ll need to give it a good stir before Duggee pops it in the oven. The it’s time to decorate it with different coloured icing, sprinkles, fruit and more, present your cake to Duggee and the Squirrels so they can tuck in. The Leaf Badge Using your superb powers of detection, can you help the Squirrels spot the correct leaves to add to their collections. Explore different fully interactive scenes to try to find the special leaves and discover a few familiar faces along the way. The Tinsel Badge Christmas is coming but the Clubhouse isn’t looking very Christmassy! Help the Squirrels earn their Tinsel Badge by decorating Duggee’s Christmas tree. First pick a tree. Next, you'll need to add tinsel, baubles, and a special fairy! Finally, cover the tree with multi-coloured lights and watch the Clubhouse illuminate! Customer Care: If you experience any technical issues with this app please get in touch. Most issues can be easily fixed and we are happy to help. Contact us at [email protected] Privacy: This app will ask for permission to access the camera on your device. The camera is used to take a photograph of the player for their user profile which is used to track and retain progress through the game. This app does not collect or store any personal data from your device. View our privacy policy here https://www.bbcworldwide.com/home/mobile-apps/ About Studio AKA: London-based STUDIO AKA is a multi-BAFTA winning & Oscar-nominated independent animation studio & production company. They are known internationally for their idiosyncratic & innovative work expressed across an eclectic range of projects. www.studioaka.co.uk About Scary Beasties: Scary Beasties are a BAFTA-winning mobile and online games designer and developer specialising in kids’ content, from pre-school through to the teen market. Hear about our new apps on twitter @scarybeasties or www.facebook.com/scarybeasties A Scary Beasties production for BBC Worldwide
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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.