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
GPS Camera with Time Stamp
Unleash the power of precise photography with GPS Camera with Time Stamp! Our feature-rich app seamlessly integrates GPS coordinates and time stamps into your photos, providing a comprehensive storytelling experience ...
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.8
1,937 ratings · Top 50%
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 included16 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 GPS Camera with Time Stamp: map the core Travel 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
Add basic editing tools like cropping and filters.
Assumption to check: Limited editing features for photos
Validate with people who use this workflow before building.
Hypothesis 2
Enhance GPS functionality with accuracy settings.
Assumption to check: GPS accuracy issues
Validate with people who use this workflow before building.
Hypothesis 3
Implement a cleaner design with more intuitive navigation.
Assumption to check: User interface is cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Provide clearer explanations of features behind paywalls.
Assumption to check: In-app purchases can be confusing
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
Unleash the power of precise photography with GPS Camera with Time Stamp! Our feature-rich app seamlessly integrates GPS coordinates and time stamps into your photos, providing a comprehensive storytelling experience for every image you capture. Key Features: - Dual Precision: Add both GPS coordinates and time stamps to your photos for a complete snapshot of your memories. - Map Your Moments: Create a visual journey by organizing photos based on their location. Explore the world through your lens and revisit each moment on the map. - Time Stamping: Preserve the moment with accurate time stamps on each photo. Never forget when a special memory was made. - Privacy Control: Choose when and where to add location and time data, giving you full control over your privacy. - Global Compatibility: From local adventures to international travels, GPS Camera with Time Stamp ensures accurate location and time tagging worldwide. - Perfect for Travel: Ideal for documenting your travel experiences, creating detailed travel journals, and sharing the exact moments and times of your discoveries. Why Choose GPS Camera with Time Stamp? User-Friendly Interface: Intuitive design for seamless navigation and a delightful user experience. Lightweight and Fast: Enjoy a responsive app that won't slow you down, even on your most exciting adventures. Download GPS Camera with Time Stamp now and transform your photos into a visual and temporal journey. Rediscover the world through your lens, one accurately tagged and time-stamped photo at a time!
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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.
SUGGESTED BUILD STACK
React Native
Expo
react-navigation
expo-camera
axios
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.
