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.
FilmFridge is the inventory app analog photographers have been waiting for
$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.
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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 FilmFridge: 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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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 editing features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of cloud backup options
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No batch editing capabilities
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No premium filters available
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.
FilmFridge is the inventory app analog photographers have been waiting for. Track every roll, pack, and box of film from the moment it goes in your fridge to the moment it comes back from the lab, with a workflow that matches the way you actually shoot. Barcode scanning, Watch support, cloud sync, iPad view, and a complete storage-to-archive workflow. ○ THE FRIDGE ○ Scan the barcode on any film box, and FilmFridge instantly identifies the stock, pulling in brand, name, ISO, format, and frame count from a built-in database of 600+ film stocks. Or search by name and let typeahead suggestions fill in the details. Every roll is tracked individually, with expiry alerts and low-stock warnings so you always know what you have. Formats supported: 35mm, 120, 220, 110, Minox, APS, 4x5, 5x7, 8x10, Instax Mini, Instax Wide, Instax Square, Polaroid 600, i-Type, SX-70, Polaroid Go, and more. Legacy formats like 620, 127, Disc, and Super 16, and motion picture formats Super 8, Double/Regular 8, and 16mm are covered, and we just added 35mm disposable/single-use cameras! ○ LOADED ○ Load a roll into a camera with a single tap. See every camera you have loaded right now, with the film stock, ISO, and how long the roll has been in. Log shooting sessions with short notes and GPS-tagged locations as you work. ○ MID-ROLL SWAP ○ Pull a roll mid-roll to switch stocks - FilmFridge records the frame you stopped at and reminds you exactly where to continue when you reload. ○ LAB ○ When the roll is done, send it to the lab in one step with optional instructions: push/pull, service type, slide mounting, and negative cutting. A days-waiting counter starts immediately. Developing and scanning your own film? Use the lab tab to manage your processing backlog and track rolls through your workflow at your own pace. ○ HISTORY ○ Your complete shooting archive, organized by month. Search by film stock, camera, location, or any note you logged along the way. ○ BULK ROLL FILM ○ Load your own cassettes from a bulk spool? FilmFridge tracks remaining footage and records every cassette you cut, with frame count estimates that update as you load. ○ APPLE WATCH ○ Check what's loaded in each camera, update shot ISO, log your last frame, and add journal entries by voice - all from your wrist. ○ CLOUD SYNC ○ Optional cloud sync keeps your inventory, settings, and custom locations up to date across all your devices. Sign in with your email - no password required. Your data stays private and on-device by default. ○ IPAD LAYOUT ○ Unlock a purpose-built iPad interface with a persistent sidebar and split-view detail panels. One-time in-app purchase, $0.99. Built for film photographers, by film photographers.
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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.