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.
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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 Silent Touch 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: Limited customization options for timers
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No reminder notifications for completed timers
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of visual feedback for timer completion
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No cloud sync for timers
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.
Download now and streamline your life with the beautiful to see, lovely to use, and fastest to set timer! "Does exactly what it promises and with a sleek, innovative and intuitive interface. Would buy it again if I could!" GREAT FOR PRESENTATIONS • Easily readable up to 30 feet away on your iPhone. Try putting it behind your audience for better eye contact - for even further try a giant iPad timer! • If you're in charge of keeping presenters on time, just set it up where they can see it, maybe add a time warning to let them know when they should be wrapping up. • Won't disturb your audience, or you, with ANY noise or vibration. • Lets you know at a glance how far overtime you’ve gone – better talk faster next time! "'Apple' simple to use. Works every time. What could be better??" FANTASTIC FOR PERFORMANCES • Use it for music, dance, church services, comedy, plays, whatever has a start and an end! • Count up instead of down if you need to, you can even use warning times while counting up. • Great for keeping yourself in sync while podcasting. "I use the Pomodoro technique at work but didn't want a ticking ringing timer going off in my open plan office. Silent Timer does everything I need and doesn't annoy my coworkers." HELPS WITH PRODUCTIVITY AT HOME AND THE OFFICE • Time your work or your internet breaks at the office without disturbing your coworkers or yourself. • Works great for the Pomodoro Technique, just set the timer to 25 minutes and Pomodoro your way out of procrastination. "One of my most-often used apps...! An unobtrusive, light, very effective timer used while studying, exercising, interviewing people, teaching students and even when evaluating student's answer-sheets...!" SUPPORT You can find more information and support at yoctoapps.com, or contact me 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.