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.
Lenset is the Director's Viewfinder reimagined for filmmakers and location scouts
$11.99 · 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 Lenset: 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 filter options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Slow performance with high-resolution images
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Confusing subscription model
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of community features
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.
Lenset is the Director's Viewfinder reimagined for filmmakers and location scouts. Frame shots through real cinema cameras and lenses, pull cinematic zoom moves, and see authentic lens vignettes from reference captures, every capture tagged with GPS, compass heading, and a sun-path map overlay. DIRECTOR'S VIEWFINDER, REIMAGINED Frame the shot before you set up. Pick a camera, a sensor format, and a lens, and Lenset scales the iPhone preview to match — with frame lines, focal length, 35mm equivalent, coverage ratio, and a calibration warning if the sensor exceeds the reference data. • 63 cinema cameras across 10 manufacturers — ARRI, RED, Sony, Canon, Blackmagic, Panavision, Panasonic, Fujifilm, Vision Research, Freefly • 300+ sensor formats — Open Gate, Vista Vision, Super 35, Super 16, anamorphic, plus 35mm and 16mm film • Cinema frame lines with adjustable color, opacity, and masking • Grey-border framing for wide primes the iPhone can't reach natively, with vignette and frame line tracking the lens, not the iPhone CINEMATIC ZOOM CONTROL — SMOOTH & SPEED CONTROL Pull a zoom move the way a focus puller would. Not a pinch. Not a digital slider. A real zoom-pull engine designed for cinematic moves. • Logarithmic and linear zoom modes • 7 zoom curves — Linear, Standard, Aggressive, Soft, Broadcast, plus two ARRI ZMU-4-inspired Cine Expo profiles • 0–100 speed slider for slow push-ins or crash zooms • Optional feathering for smooth motor-style ramping • Joystick or speed-strip control • Vision-based parallax compensation at multi-lens switchovers — when the iPhone crosses 2× or 5×, the frame stays put through the lens swap • Prime lens navigation: swipe or pinch to step through fixed focal lengths in a cinema set, with auto-selection of the best iPhone physical lens for each prime LENS COVERAGE — REAL LENS VIGNETTES, LIVE See how a real cinema lens behaves on your chosen sensor. Lenset's vignette data is sourced from reference captures — not procedurally generated, not estimated from spec sheets. 13 lens sets with reference-captured vignette textures: • ARRI Ultra Primes (15 focal lengths, 8mm–180mm) • Cooke S4/i (13 focal lengths) • Tribe7 Blackwing7 X-Tuned • Canon FD (TLS Rehoused), Canon K-35 • Zeiss High Speed Mk III, Stealth Zeiss HS • IronGlass MKII Soviet, IronGlass RED P • Technovision, Type SK Primes • Optex 5.5mm, Zero Optik Tegea 9.8mm More being added every week. 100+ additional cinema lens sets included as data-only references — Master Primes, Signature, Supreme, Master Anamorphic, Cooke S/i, Primo, Hawk anamorphic, Optimo, Premista, Cabrio. LOCATION SCOUTING, BUILT IN Every capture is GPS-tagged with compass heading and device tilt. Drop a scene onto a map with your camera's field-of-view cone projected from the capture point, then scrub through a sun-path overlay computed from NOAA solar ephemeris — sunrise, sunset, golden hour, and the full daypath at your shoot location and date. Plan future shoot dates by checking sun angle before you arrive. PROJECTS + SCENES Organize shoots into projects and numbered scenes. Drag clips between scenes, mark favorites, review with pinch-to-zoom photo and video. Export shotlists to share with directors and producers. BRING YOUR OWN LUT Import .cube LUTs from DaVinci Resolve, Lustre, or any grading tool. Preview your look live in the viewfinder, then bake it into recordings and full-resolution photos. Apple Log, Rec.709, ARRI LogC4, S-Log3, BT.2020, and DCI-P3 input/output color spaces supported. CAMERA FUNDAMENTALS 4K HEVC video at 24, 25, 30, 50, 60 fps. Full-sensor HEIF photo capture. Tap-to-focus, long-press AE/AF lock. Manual white balance, EV bias, rule-of-thirds grid, customizable center marker. Frame line, vignette, grey border, and info bar baked into recordings. PRIVACY BY DEFAULT Everything stays on your device. No tracking, no analytics, no cloud, no account. Lenset doesn't have a server. Made for filmmakers, by filmmakers.
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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.