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.
Supershift is the world's most downloaded and highest-rated shift calendar app on iOS
Free
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 Supershift - Shift Calendar: 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 shifts
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No reminders for shifts
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulty in managing overlapping shifts
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of export options
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.
Supershift is the world's most downloaded and highest-rated shift calendar app on iOS. It is built specifically for nurses, doctors, paramedics, police officers, firefighters, factory and manufacturing workers, retail staff, airport crew, and bus, train, and tram drivers. No account required. No internet required. Open the app and start planning immediately - your schedule is yours, stored entirely on your device, and available anywhere from the ward to the cab to the factory floor. If you are looking for an alternative to bloated shift apps that track your data or force you to log in, Supershift is the cleaner and faster. WHY SHIFT WORKERS CHOOSE SUPERSHIFT • Multiple shifts per day: Easily schedule early + late shifts, main + on-call, split shifts, or second jobs. • Custom emojis & colors: Assign specific colors and icons to every shift type so you can read your month at a glance. • Full Dark Mode: A beautiful, eye-friendly dark mode for comfortable night-shift viewing. • No account required: Start using it in seconds. • Works fully offline: Your schedule is always accessible, even without a cell signal or Wi-Fi. CALENDAR SHARING Share your work schedule with family, partners, friends, or coworkers so everyone stays in sync. Coordinate shift swaps, check availability instantly, and cut out the endless back-and-forth texting. SMART SHIFT ALARMS Stop setting alarms manually every Sunday night. Assign a wake-up time to each shift type once, and Supershift automatically sets the right alarm for every early, late, or night shift based on your schedule. COMPLEX ROTATIONS Define your rotation pattern once and apply it up to 2 years in advance. Supershift effortlessly handles 4-on-4-off, DuPont, Pitman, Panama, Continental, 2-2-3, and any custom rotation you throw at it. REPORTS & TRACKING Track earnings, shift differentials, hours per shift type, overtime, and shift counts (e.g., vacation days, sick days, training days). Perfect for verifying payroll checks and simplifying tax time. APPLE WATCH Glance at current and upcoming shifts right from your wrist. Watch complications include countdown timers showing exactly when your shift starts and how much time is remaining. HOME SCREEN WIDGETS Keep your schedule front and center with Day, 2-week, 4-week, or Agenda view widgets right on your home screen and lock screen. CLOUD SYNC Use optional Cloud Sync to keep your iPhone and iPad perfectly aligned, and to instantly restore your data when you get a new device. SUPERSHIFT PRO FEATURES • iOS Calendar Export: Push your shifts directly to Apple Calendar, Google Calendar, or Outlook. • PDF Export: Create and share a polished PDF version of your monthly calendar complete with title, times, breaks, notes, location, and total hours worked. • External Calendar Integration: See birthdays, appointments, and personal events from your external calendars right alongside your shifts. Privacy Policy: https://supershift.app/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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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.