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
ViewExif
ViewExif is a powerful metadata tool for your photos
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.3
283 ratings · Top 30%
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/
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 ViewExif: 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
Add more robust mapping and location sharing features.
Assumption to check: Limited features for location-based metadata
Validate with people who use this workflow before building.
Hypothesis 2
Implement batch EXIF data viewing for multiple selections.
Assumption to check: Lack of batch processing for multiple photos
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to edit and save EXIF metadata.
Assumption to check: No option to edit metadata
Validate with people who use this workflow before building.
Hypothesis 4
Clarify pricing and benefits of premium features.
Assumption to check: Subscription model is unclear
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
ViewExif is a powerful metadata tool for your photos. With the help of ViewExif, you can not only view metadata of photos, but also edit and remove metadata in photo. Besides, it has an app extension, so you can view metadata right in Photos app. Being able to read exif tags can be of great importance not only for beginners, but also for other photographers who want to find out what settings and tools were used to create a particular photograph. For those people who want to protect privacy, this app is useful for you as well. When you send photos via email or share on social network, your personal information (geo location, taken date etc) is shared as well. If you upset to share those information, ViewExif is able to remove it before sharing. Features: * Display EXIF tags: Dimensions, Taken Date, ISO Speed, F Number, Exposure Time, Focal Length and more. * Display IPTC tags: Star Ratings, Keywords, Description etc. * Display geo location on map. * Add star ratings, keywords and description on photo * Remove metadata from photo * Supported image formats (JPG, PNG, TIFF, HEIC) and RAW formats (CR2, NEF, DNG). * Share photo w/o metadata on Twitter, Facebook, email. * App extension for Photos app and 3rd-party apps such as Dropbox, FileExplorer etc. * Dark Mode ===== CONTACT US ===== Email: [email protected] Twitter: @SkyjosApps
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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
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AsyncStorage
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.
