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.
"A great way to give parents a break and let your kid have fun and learn to read at the same time." - Jen, Kindergarten teacher and mom of three.
$1.99 · 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 Sight Words Ninja - Slicing Game to Learn to Read: 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 engagement after initial learning.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of variety in sight words.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulty tracking progress over time.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No social sharing 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.
"A great way to give parents a break and let your kid have fun and learn to read at the same time." - Jen, Kindergarten teacher and mom of three. I have a confession to make. My son's favorite game was Fruit Ninja and I was getting increasingly frustrated with having my son waste a lot of time on a fun but mindless game while he was still struggling to master his sight words and learning to read. So I decided to create our very own Sight Words slicing game and to my and my son's delight, he now has a new favorite game where he is having fun and learning at the same time. My sons skills in recognizing Sight Words have dramatically improved since he started playing this game and now I no longer have to feel guilty when I need a five minute break to take care of the laundry or prepare lunch for the kids. I know that they are having fun and that they are learning at the same time. Warning: Your child will keep begging for your iPhone or iPad after they try this app. Sight Words Ninja is an exciting educational game that helps kids rapidly learn sight 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. FEATURES: • Slice your way through all sights words from preschool to grade 3 • You decide what to focus on - turn individual categories ON or OFF from the settings page • Learn by sight, sound, and touch • Fun game play, sounds, and animations keep kids engaged • Dynamic game play adjusts difficulty (the number of sight words) automatically based on player skills to keep kids both challenged and entertained vs. getting bored • Supports 3 difficulty settings: EASY, MEDIUM, or HARD EASY MODE: - Max 1 sight word - Sight words move very slowly - Great for introducing sight words one at a time MEDIUM MODE: - Starts with 1 sight word - Max of 3 sight words on screen - Sight words move 30% faster HARD MODE: - Starts with 2 sight words - Max of 5 sight words on screen - Sight words move even faster - Sight words rotate faster too Adjust difficulty from settings page. • Wrong answers do not interfere with gameplay, the child can immediately try again and slice the correct answer (most other games are too slow to keep kids interested by interrupting the gameplay and slowly repeating the desired question) • Play Sight Words from A to Z or in random order (adjustable from settings page) • Multi-sensory learning tool - combining audio, voice, and touch • Want to work on just a few Sight Words? No problem… head to the settings page to turn entire categories or individual Sight Words on and off • Want to record your own audios? No problem. Just click on the category and record your own Sight Words sounds • Supports three levels of difficulty 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]
Written user reviews are not shown here. Check current App Store reviews >
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.