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.
If you have ADHD, you know the feeling: you glance at the clock, it says 2:15
$7.99
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 Due Pal: ADHD Visual Timer: map the core Productivity 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: Timers can be hard to manage without visual feedback.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Users may forget to turn off timers.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited customization options for timers.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: History may not provide enough context.
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.
If you have ADHD, you know the feeling: you glance at the clock, it says 2:15. You look again — it's 4:47. Two and a half hours vanished. Your meeting started 17 minutes ago. This is time blindness. It's not about being lazy or careless. It's a neurological trait where your brain genuinely cannot feel time passing. Standard clocks and phone timers show numbers, but numbers mean nothing when your brain doesn't process duration intuitively. DuePal is a visual countdown timer designed specifically for time blindness. HOW IT WORKS Set your daily milestones — the anchor points of your day: 9:00 — Stand-up meeting 12:00 — Lunch 14:00 — Focus block 17:00 — Wrap up 18:30 — Pick up kids DuePal shows a persistent, always-visible countdown to your next milestone. Not a clock. Not a number of minutes. A visual countdown that your brain can actually feel — time shrinking in front of your eyes. When the current milestone passes, the countdown automatically rolls to the next one. Your day becomes a series of "time until the next thing" — which is exactly how time-blind brains need to process schedules. ALWAYS VISIBLE — EVERYWHERE The biggest problem with timer apps is that you forget they exist. DuePal solves this by putting your countdown everywhere you look: Dynamic Island shows your countdown without opening the app. Lock Screen Live Activities display time remaining right on your Lock Screen. You never have to remember to check. The countdown is always there. TWO VISUAL STYLES Flip Clock: A beautiful retro-style flip display that makes time feel tangible and physical. Numbers mechanically turn as time passes. Digital Display: A clean, high-contrast digital countdown for maximum readability. Choose whichever style your brain responds to. Both are designed for quick comprehension — you should know how much time you have in under one second of glancing. SMART REMINDERS Set alerts before milestones hit: 15 minutes before, 5 minutes before, or custom intervals. DuePal gives you transition warnings — because for ADHD brains, the hardest part isn't doing the task, it's switching between tasks. FLEXIBLE SCHEDULING Not every day looks the same. Set different milestones for weekdays, weekends, or fully custom schedules. DuePal adapts to your life instead of forcing you into a rigid routine. HIGH-CONTRAST DESIGN The interface uses bold, clear typography and strong color contrast. Designed to be readable at arm's length, across the room, or at a quick glance. No clutter, no decorative elements — just the information you need. WHO DUEPAL IS FOR Adults with ADHD who consistently lose track of time between meetings, tasks, and commitments. Students who miss class transitions or study blocks. Parents who need visual reminders for school pickup, meal prep, and bedtime routines. Professionals who experience time blindness during deep focus work. Anyone who's set a phone alarm for 15 minutes and then been shocked when it went off "already." WHY NOT USE A REGULAR TIMER Regular timers count down from a set duration — you have to manually start them for each event. They're for timing one thing. DuePal is for timing your whole day. It automatically counts down to your next milestone, then the next, then the next. No manual starts. No forgetting to set timers. Your schedule is always running. Regular clocks show what time it is. DuePal shows how much time you have. That's the difference that matters for time-blind brains. PRICING $1.99 — one-time purchase. No subscription. No free trial tricks. All features included. Time blindness isn't a character flaw. It's a real neurological difference that needs the right tools. DuePal is that tool. Privacy: https://elevenapril.com/privacy.html Term of Use: https://elevenapril.com/terms.html
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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.