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.
App Overview
Symmetry Camera: Mirror Effect
Symmetry Camera mirrors one side of the frame to create symmetrical photos and videos, and shows you the result live before you shoot.
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
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A product spec, screen plans, and build steps for your coding agent.
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What's included
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Symmetry Camera mirrors one side of the frame to create symmetrical photos and videos, and shows you the result live before you shoot. LIVE PREVIEW FOR PHOTOS AND VIDEOS • Frame your shot while watching the mirrored result. • Record video with or without sound, in 1080p, or in 4K at 30 fps on supported cameras. • Move the axis even while recording. ANY AXIS • Choose vertical, horizontal or diagonal, then fine-tune the angle in 1° steps. • Drag the axis to reposition it, and flip which side is reflected. CAMERA CONTROLS • JPEG or HEIF photos in 4:3, 1:1 or 16:9, with a 3- or 10-second timer. • Front and rear cameras. On supported models, switch to the ultra wide and telephoto lenses with the zoom buttons. • Tap to focus, press and hold to lock focus and exposure, and adjust brightness. LIBRARY • Review your photos and videos in the app, save them to Photos, share or delete them. PRIVATE BY DESIGN • Photos and videos are processed on your device. • No ads, accounts, in-app purchases or subscriptions. GOOD TO KNOW Diagonal or off-center axes crop the image to avoid blank corners, so the visible area may become narrower. Requires iPhone with iOS 17 or later. Available in English and Japanese.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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.
Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
BUILD KIT DIFFICULTY
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.
