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.
Flipcorder is your retro camcorder for daily video diaries
$4.99 · 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.
Your first Build Kit is free with a verified email.
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 Flipcorder: Retro Camcorder: map the core Photo & Video workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Flipcorder is your retro camcorder for daily video diaries. Film your day 20 seconds at a time, and tonight relive it as one unedited home movie, like an old camcorder tape. One price, paid once: no subscription, no watermark, no ads, nothing locked. Record Daily Flips • Experience the unique daily tape: everything you film lands on today’s dated 30-minute cassette, in order, for a true retro camcorder feel. • Easily record 20-second “flips” with a simple tap, each stopping and saving automatically with a calm countdown. • You always have control to record longer flips, but the day's tape is always limited to 30 minutes. One Unedited Home Movie • Watch your day as a single, unedited home movie, playing back exactly as you filmed it - authentic video the way it used to be. • Apply classic VHS looks with bleeding color, tracking wobble, and a date stamp, or the crisp, clean look of MiniDV. • Change a tape’s look at any time: the original footage is never touched, so the choice stays yours. • Tap the picture to watch a tape full screen, and every flip keeps the local time where it was filmed, so the date stamp still reads right after a trip. • Hop from flip to flip, or wind the cassette round with your finger to find a moment. Stickers and the Camcorder Bag • Earn stickers as you film: first flips, full tapes, days on tape and a few hidden surprises. A new one slaps onto the viewfinder, then hops onto today’s cassette, and its tape keeps it. • Keep them in your camcorder bag, with your Home Video Club card, this week on tape, your spare tapes and your sticker sheet. • A kind streak counts the days you film. Spare tapes, earned with a full week of flips, cover the odd day off, and Put it in the bag pauses the count while you’re away. • Share your bag, your week or a new sticker as a little card, tall or square. Cards never show your footage. A Theme for Every Day • Today’s blank cassette offers a theme of the day. Tap Take the theme and it becomes the tape’s label, carried on the end card of your saved movie. Theme of the day can be switched off in Settings. Save and Share Memories • Save your whole tape to Photos as one movie with a title card, either with the chosen camcorder look rendered in or as clean 1080p video, ready to share. Never a watermark over your footage. Rather just the flips? Turn off Title and end cards in Settings. • Turn on Remember where flips were filmed, and Photos can show where a saved tape was filmed. The movie file itself never carries the place. • Turn on gentle reminders if you like: a quiet morning nudge or an afternoon check-in while today’s tape is blank, and an evening note when it’s ready to play. • Put today’s tape on your Home Screen as a cassette, with one tap to open the camcorder or play your day’s movie, plus Streak, This week and Next sticker widgets for the Home Screen, and Streak on the Lock Screen and in StandBy too. Built for iPhone Duo • Unlock exclusive features for iPhone Duo, where the fold acts as the power switch, a camera lens is on the cover, and the subject sees a live retro preview with a REC light on the outer screen. • Close your iPhone Duo to instantly save a flip, simplifying your recording process and keeping you focused on the moment. In Your Language • Flipcorder speaks English, German, French, Spanish, Portuguese, Italian, Dutch, Swedish, Norwegian, Danish, Japanese, Korean and Traditional Chinese. The camcorder’s own lettering, like REC and PLAY, stays as printed. Flipcorder is a one-time purchase, with no subscriptions, in-app purchases, ads, watermarks or accounts. There’s no Pro version: everything above is included. Your videos stay on your phone until you save or share them. Anonymous usage stats help make the app better: never your footage or anything you type, and Settings > Share usage stats turns them off. Open Flipcorder tomorrow morning and make your first home movie memory.
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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: Watermarks on free tier
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Crashes on large files
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited filters
Validate with people who use this workflow before building.
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.
Not assessed in a Build Kit yet.
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.