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.
Improve your eating habits by spending 20 minutes on your meals.
$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 20 Minute Eating - Eat slower: map the core Health & Fitness 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 features for engagement and motivation
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of customization options for timer settings
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Basic user interface with few visual enhancements
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No social sharing or 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.
Improve your eating habits by spending 20 minutes on your meals. Open the app at mealtime, set how long you want to eat and how long each bite and pause should last, and 20 Minutes will guide you through your meal with gentle cues and a natural end point. By eating in intervals, you give your body time to tell you you’re full — before you’ve eaten too much. Smaller portions, less rushing, and a pleasantly satisfied feeling when you’re done. The 20-minute mark is when your stomach typically starts sending fullness signals to your brain. That makes it a natural, science-backed end point for your meal. HOW IT WORKS 20 Minutes alternates between eating and pausing for as long as you choose. A calm breathing timer, progress bar, and cycle counter keep you on track from first bite to finish. FEATURES • Flexible meal length — Set your whole meal from 1 minute up to 3 hours (20 minutes is the sweet spot) • Custom eat & pause intervals — Adjust both from 10 seconds to 60 minutes, in 10-second steps, to match your pace • Sounds & vibrations — Hear or feel when eating starts, a pause begins, or your meal ends (each can be turned on or off) • Background notifications — Get alerts when you switch apps or lock your phone, so you never miss the next interval • Pause & resume — Need a moment? Pause mid-meal and pick up where you left off • Resume last session — One tap to restart with your previous settings • Meal history — Meals are logged automatically; see your week at a glance, review past sessions, and swipe to remove entries • Completion summary — See how long you ate, how many cycles you completed, and your average bite time • Light & dark mode — A calm, readable design for any time of day • Simple, focused design — No clutter — just what you need at the table WHO IT’S FOR Whether you’re building healthier habits, eating more mindfully, or following post-surgical guidance from your care team, 20 Minutes helps you slow down and stay present with your food. 20 Minutes is a wellness and habit-support tool, not a medical device. Always follow advice from your healthcare provider. User reviews "Really helps access your 'full' trigger!" "I eat my meals like someone is trying to take it away from me. I started off on the difficult setting and I find it is great. I can commit to the 2 minutes of rest and my food lasts for 20 minutes instead of 2!" "Great app to help you get started on a healthier path. Many different options to choose from, meal reminders, & great cues in app. Totally recommend it."
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.