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
Codepoint
Codepoint contains more than 73,000 Unicodes, including SF Symbols and Emojis
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.9
41 ratings · Top 5%
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/
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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 Codepoint: map the core Graphics & Design 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
Implement more versatile sharing features including social media integrations.
Assumption to check: Limited sharing options for projects
Validate with people who use this workflow before building.
Hypothesis 2
Create an onboarding tutorial to help users get started.
Assumption to check: Lack of tutorials or guides for new users
Validate with people who use this workflow before building.
Hypothesis 3
Optimize the app to handle larger assets and projects more efficiently.
Assumption to check: Performance issues with large projects
Validate with people who use this workflow before building.
Hypothesis 4
Standardize UI elements and navigation for a more cohesive experience.
Assumption to check: Inconsistent user interface across screens
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
Codepoint contains more than 73,000 Unicodes, including SF Symbols and Emojis. The sophisticated search feature delivers results within a fraction of a second, completely offline. Convert codepoints into any conceivable format, such as HEX, decimals, UTF, USDZ, HTML entities, or Swift code. View and export glyphs as real 3D assets, or experience them on Apple Vision Pro in augmented reality. Additionally, I have annotated a large number of carefully selected entities with typographic notes so that you can always look up how to use each character typographically correctly. As a developer, designer, or typographer, Codepoint shouldn’t be missing from your repertoire of tools. It’s the ultimate type case for the 21st century. Features • Explore, search and manage Unicodes • Over 73,000 Unicodes, including Emojis and SF Symbols, always at hand • Search and find Unicodes lightning fast and completely offline • Export glyphs in formats such as Unicode, decimal, HEX, HTML, USDZ • View entities in 3D and convert them into USDZ models • Curate your Favorites: They are always synchronized thanks to iCloud • Learn typography with tips on relevant glyphs • Widget support on iOS and macOS • Detailed glyph metrics • Multi-codepoint support ⁂ Support If you need help or want to make a feature suggestion, I’d love hearing from you → [email protected] Feedback If you like Codepoint, please take a moment to rate it on the App Store. It’s a great way to support solo developers like yours truly. About App ahead GmbH is a German software studio operated by a single individual, Martin Lexow (that’s me!). My company was originally founded in 2015 under the name IXEAU in Berlin. Today, I’m based in the historic old town of Aachen, Germany. Terms of Use: https://appahead.studio/terms Privacy Policy: https://appahead.studio/privacy
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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.
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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.
