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
PhotoPrint Pro
~~ Instant self-printing: Print photos from your photo library on any AirPrint-capable printer in the size you want
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.3
177 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 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 PhotoPrint Pro: 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 more print sizes, materials, and design options.
Assumption to check: Limited print options and customization features
Validate with people who use this workflow before building.
Hypothesis 2
Optimize image loading and processing for faster performance.
Assumption to check: Inconsistent performance and loading times
Validate with people who use this workflow before building.
Hypothesis 3
Implement a guided onboarding process and tooltips.
Assumption to check: Difficult navigation for first-time users
Validate with people who use this workflow before building.
Hypothesis 4
Include options to share prints on social media.
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
~~ Instant self-printing: Print photos from your photo library on any AirPrint-capable printer in the size you want. ~~ Colorful backgrounds: Select print size larger than the photo size and colorize the background. ~~ Layouts: Print up to 9 photos on one sheet of paper. ~~ Stunning text labels: Print a different text label on every sheet. Made for Printing o Print 1 or multiple (up to 9) photos on one page (photo stitching). o Print all photos that are stored in your foto library. o Full control over the size the photos are printed in. o Print multiple pages. o Scale, mask, rotate photos. o Add text labels (up to 10 per sheet), use emoji, many fonts & colors o Choose Background color o Choose print quality and paper type (photo mode or normal) o Print grayscale o Use any AirPrint capable printer. o Contains all common photo sizes and more. Photo Sizes o 3 x 4 in (9 x 12 cm) o 3.5 x 5 in (9 x 13 cm) o 4 x 6 in (10 x 15 cm) o 5 x 7 in (13 x 18 cm) o 3.5 x 3.5 in (9 x 9 cm) o DIN A8 (common for business cards) o DIN A6 (matches perfectly 4 times on A4 standard paper) o DIN A5 (14,8 x 21 cm) o DIN A4 (standard DIN letter size, 21 x 29,7 cm) o US Letter o US Half Letter (Statement) o EU Passport Photograph (3,5 x 4,5 cm, official size for Germany) o US Passport Photograph (2 x 2 in) o Bank card (5,4 x 8,4 cm, fits into the wallet) o Wallet (2,5 x 3,25 in, 6,4 x 8,4 cm, is slightly larger than the bank card format) o 4,4 x 6,6 cm (1,73 x 2,59 in) PhotoPrint helps to print photos better and saves your money. Have fun with creating layouts and collages! PhotoPrint Pro is perfect to resize your photos and also to print your own passport photos. Frequently asked Questions: http://www.touchingcode.com/en/TouchingCode_FAQ ---*Reviews Printing made easy! - ***** by Jamielee513 I've been looking for a way to print specific size photos from my iPhone and with this app, it was so easy!! Highly recommend this app! Compatible with AirPrint so you can literally have photos in seconds without a hassle! Brilliant Photo Printing App - ***** by Weeladdie For setting out fotos on a standard A4 page and even printing multiple photos per page then this App is perfect. AirPrint printing and PDF generation work brilliantly. Super app - ***** by Co To Flo Super tool and works great. Just exiting to see how easy printing and sending pictures can be.
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.
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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.
