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
OceanHero Browser
Use OceanHero as your mobile browser and start making a difference today!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
257 ratings · Top 15%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 OceanHero Browser: map the core Utilities 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
Allow users to choose their preferred search engine.
Assumption to check: Limited search engine options
Validate with people who use this workflow before building.
Hypothesis 2
Optimize search algorithms for faster results.
Assumption to check: Inconsistent performance
Validate with people who use this workflow before building.
Hypothesis 3
Offer themes and personalized settings.
Assumption to check: Limited customization options
Validate with people who use this workflow before building.
Hypothesis 4
Implement enhanced privacy controls for user data.
Assumption to check: Lack of advanced privacy 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
Use OceanHero as your mobile browser and start making a difference today! How it Works On average, OceanHero can collect one plastic bottle for every five searches you complete. That means by using the OceanHero Browser as your default internet browser and search destination you can help contribute to cleaning the planet and protecting our environment by removing plastic from the ocean. Our Impact 100,000+ people have already helped us reduce 70 million plastic bottles from the ocean by simply setting their search engine to OceanHero. By using the OceanHero Browser, our users contribute to a cleaner and more sustainable digital future. Our Partners We partner with marine-focused environmental organizations working to clean the planet, like Plastic Bank and World Free Oceans to make a positive impact through the use of our product. To learn more, please visit https://oceanhero.today/about-us/our-mission. What’s Included When you download OceanHero Browser, you get a sleek browser interface with OceanHero as the search engine, light, dark and ocean modes, a smart search box with suggested results, and other advanced features. Settings and Features - Smart Search Bar to quickly gather the information you need - A bottles collected counter to measure your contribution - Bookmarks and frequently viewed sites - Ads blocker (iOS Only) Your Privacy Matters to Us Your searches and data are always SSL encrypted. You can read our full privacy policy at https://oceanhero.today/about-us/privacy-policy.
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.
SUGGESTED BUILD STACK
React Native
Expo
React Navigation
Axios
React Native Async Storage
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.
