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
Curved Text
[Curved Text] helps you to add beautiful curved texts on your photo
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 2.8
72 ratings · Below Average
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 included19 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 Curved Text: 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 a wider variety of fonts, including user-uploaded options.
Assumption to check: Limited font options
Validate with people who use this workflow before building.
Hypothesis 2
Implement robust testing and user feedback loops to improve stability.
Assumption to check: Bugs in text editing features
Validate with people who use this workflow before building.
Hypothesis 3
Add features for exporting images in various resolutions and formats.
Assumption to check: No export options for high-resolution images
Validate with people who use this workflow before building.
Hypothesis 4
Enhance UI/UX design for a more modern look and feel.
Assumption to check: Basic user interface
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
[Curved Text] helps you to add beautiful curved texts on your photo. With tons of curve shapes, text styles, artistic fonts and background templates, you can add unique texts in ways you've never imagined. You can also apply effects, frames and stickers to your photo with powerful photo editor. [Features] ● Beautiful curve shapes - Free draw - Wave - Arc - Bell - Horizontal/Vertical Line - Semi Circle - Circle - Rectangle ● Create custom curve with your finger touch ● Unlimited number of texts - not just one text! ● Tons of artistic fonts (including all iOS fonts) ● Custom Font - Add any font you want ● Beautiful text styles and colors including gradient color ● Move, resize and rotate each text ● Tons of background templates - optimized for Instagram ● Powerful photo editor - effects, frames and stickers ● Save as full resolution ● Export texts as watermark ● Upload to SNS ** Custom Font - Add any font you want 1. Using iTunes - Open iTunes - Connect your device to your PC - Go to [Devices/Your Device/Apps/File Sharing/CurvedText] - Copy your fonts to app 2. Using Email - Create email and attach your fonts in your PC - Send it to yourself - Open it in your iPhone email app - Select [Curved Text] in the list [User Reviews] - "I've been waiting for an app like this to come along and Curved Text is very well done and simple to use" - "Great set of fonts and works perfect" - "Add curved writing to your messages and photos!" - "So amazing words can't describe it!!! The point is... IT'S AMAZING!!!"
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
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.
