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
Self Timer - Multi shot photo
A simple and complete app for self-timer, continuous shooting and selfie, with grills, timer and adjustable intervals!
$1.99 · In-app purchases
PRICE
$1.99
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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
Preview a sample Build Kit No email needed
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 Self Timer - Multi shot photo: 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
Incorporate basic editing tools like crop, filters, and adjustments.
Assumption to check: Limited editing features for photos
Validate with people who use this workflow before building.
Hypothesis 2
Add cloud backup and sync options for user photos.
Assumption to check: No cloud backup for photos
Validate with people who use this workflow before building.
Hypothesis 3
Provide more customizable timer options and modes.
Assumption to check: Limited timer settings
Validate with people who use this workflow before building.
Hypothesis 4
Integrate direct sharing options 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
A simple and complete app for self-timer, continuous shooting and selfie, with grills, timer and adjustable intervals! Features: - Works on iPhone, iPad and iPod touch; - Timer first photo, adjustable from 0s to 120s; - Multiple shots, adjustable from 1 to 200; - Timer for multiple shots in sequence and adjustable from 2s to 120s; - Flash on, off, automatic; - Turn on the flashlight to illuminate the scene; - Beep sound for 5 seconds before each shot (can be disabled); - Auto-save in the photo gallery (can be disabled); - Three grids to better frame the scene (rule of thirds and the golden section); - Automatic recognition of faces; - Front and rear camera; - Digital Zoom; - Focus Automatic or manual; - Preview photos in high definition; - Share photos on social networks, or with your favorite applications, printing, copying, use as background Wallpaper! For information or suggestions, please use the Contact Us form in the Info menu of the application.
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
Zustand
react-navigation
expo-camera
expo-media-library
BUILD KIT DIFFICULTY
Intermediate
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.
