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.
Amazing - far better than most paid apps!
$0.99 · 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.
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Combine features and design from your favorite apps.
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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 Sight Words by Little Speller: 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 vocabulary and content for advanced learners
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No offline access for downloaded words
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Monotonous practice modes
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can be confusing
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.
Amazing - far better than most paid apps! Approved by parents, teachers, and toddlers. Help your child learn to speak, read, and spell as they learn to recognize words and letters by sight sound and tough Sight Words, also known as the Dolch List are an integral part in learning how to read. The Dolch Word list contains 220 words that make up the most common words of the English language and are easiest learned by sight. It is important for young readers to be able to instantly recognize these high frequency words in order to be proficient and fluent readers. Why Sight Words by Little Speller? We believe that educational apps should be ridiculously fun, immensely educational, and affordable for all. The only FULLY customizable app of its kind! Endorsed by tens of thousands of satisfied parents, teachers, and kids the world over. little speller is an exciting educational game that helps your child rapidly learn to read, write, and recognize words by sight, sound, and touch. The interface is so easy to use that even a 9 month old baby will delight in using this app. Ideal for ages 0 to 6. FEATURES: - Add your own voice - now your toddler can learn everything in mommy's or daddy's voice - Add your own items - take pictures of your child so he / she can learn to spell their own name! :-) - Learn by sight, sound, and touch - Uses real, crisp photographs that are carefully hand picked and selected vs. cartoonish illustrations - Fun & engaging voice artist keeps kids engaged - Multi-sensory learning tool - combining seeing, hearing, and tactile feedback - Don't like some of the existing items... no problem, just delete any item your kid does not enjoy - Multi-language support - since you can edit existing items and add new items, you can record everything in your native tongue * You can even customize the success sounds so that your little one hears your words of appreciation ADJUSTABLE SETTINGS - Sound - you can turn the sound on or off - Audio hints - if you want to learn just by sight, you can turn the audio hints off - Visual hints - if you want to learn just by sound, you can hide the images - Letter hints - if you don't want to show the letter hints in the destination tiles, you can turn them off - Word oder - you can go from A to Z or in random order - Letter order - you can go in any order or require that words are spelled from left to right - Letter case - uppercase, lowercase, and capitalized spelling is supported CUSTOMIZATION - Longest word - you decide the desired word length - Customize items - every item is fully customizable (text, audio, and image). You can also add your own photos - Customize letters - you can change the recorded voice for each of the letters - Customize success sounds - can even customize the success sounds so that your little one hears your words of appreciation HEROIC SUPPORT Heroic Support is not just what we do. It's really what makes us, well, us. It's that drive to make a difference in your life - no matter how big or small. Really, it's our way of life because we want you to be our customer for a lifetime of fun and learning. Have questions? We are here to help. Email us 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.