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
SLS Camera Pro
The SpiritShack SLS Camera Pro can detect humanoid shapes in your environment
$7.99 · In-app purchases
PRICE
$7.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 ratings · Top 5%
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 included18 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 SLS Camera Pro: map the core Entertainment 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
Include more advanced editing features like layers and masking
Assumption to check: Limited editing tools compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the purchase flow and provide a clear value proposition
Assumption to check: In-app purchase complexity
Validate with people who use this workflow before building.
Hypothesis 3
Design a more minimalist and user-friendly interface
Assumption to check: User interface may feel cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Add features to share photos directly to social media platforms
Assumption to check: No social sharing options
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
The SpiritShack SLS Camera Pro can detect humanoid shapes in your environment. It's similar to how the Kinect SLS camera works. The SLS Camera applications complex algorithm uses shape, colour and depth detection to pick up people and people shaped objects. It has great success and accuracy and it able to outperform the Kinect based SLS Camera. It has been designed specifically for ghost hunters and paranormal investigators and is a very valuable and useful tool for ghost hunting and tracking spirits. It's a cost effective SLS Ghost tracking system, many Kinect cameras can cost hundreds of pounds. For more ghost hunting tools, check out our other apps such as Necrophone and DeadBox. There are no popup ads, and its a small upfront cost. There are no renewal fees either. Using your Apple device, this app will allow you to quickly scan for human shapes or figures. The SLS Camera Pro works as an SLS Emulator, using our advanced tracking software and your devices hardware. Saving you money from not having to buy an expensive camera. You can take photos and record videos from within the app, to ensure you catch any evidence. SLS Camera Pro Features + Track humanoid shapes in real time + Take photos from within the app + Take videos from within the app + View photos and videos taken from the app + Change overlay colours, red, blue, green, purple and more + Turn the camera light on and off + Switch between front and rear camera If things get a little to creepy, we recommend turning on your lights and taking a break from the app :)
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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.
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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.
