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
iMoonCamera3
iMoonCameraPro is a camera app to shoot the moon easily.
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.2
5 ratings · Below Average
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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included17 files
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for iMoonCamera3: 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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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.
Hypothesis 1
Offer a wider range of customizable filters and effects.
Assumption to check: Limited filter options leading to user dissatisfaction
Validate with people who use this workflow before building.
Hypothesis 2
Provide clearer descriptions and previews of premium features.
Assumption to check: In-app purchase confusion regarding premium features
Validate with people who use this workflow before building.
Hypothesis 3
Focus on thorough testing and user feedback integration.
Assumption to check: Low app rating due to bugs and crashes
Validate with people who use this workflow before building.
Hypothesis 4
Integrate social media sharing options to enhance user engagement.
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
iMoonCameraPro is a camera app to shoot the moon easily. # How to use the moon mode 1. Select brightness. 2. Select zoom magnification. 3. Adjust focus manually. or Touch the moon (in case iPhone with telephoto lens) If it doesn't work, adjust focus manually. 4. Tap the shutter button. # How to use the moon + scene mode 1. Put iPhone on a tripod 2. Adjust moon brightness. 3. Tap the shutter button. 4. Adjust scene brightness. 5. Tap the OK button. 6. Wait a few seconds for the end of the shot. # How to use the lunar eclipse mode 1. Put iPhone on a tripod because a lunar eclipse is much darker than the full moon. 2. Adjust focus before eclipse begin. 3. Take a photo of a lunar eclipse. # 3 app modes Easy mode : Adjust exposure by brightness slider only. Manual mode : Adjust exposure by ISO & Shutter speed sliders. High-quality mode: The basic operation is the same as easy mode, but this mode prioritizes image quality. However, it may not function properly depending on the iOS version. # For good photos If the shutter speed is slow, fix iPhone on a tripod or something.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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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
React Native
Expo
Supabase
react-navigation
expo-camera
zustand
BUILD KIT DIFFICULTY
Advanced
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.
