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
Haiker - Hacker News Reader
Haiker is a premium Hacker News client designed for readers who value both substance and aesthetics
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 Haiker - Hacker News Reader: map the core News 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
Create a clean, ad-free browsing experience.
Assumption to check: Users often find news apps cluttered with ads
Validate with people who use this workflow before building.
Hypothesis 2
Implement a robust search and categorization feature.
Assumption to check: Difficulty in finding specific articles or topics
Validate with people who use this workflow before building.
Hypothesis 3
Introduce offline reading functionality.
Assumption to check: Limited offline access to articles
Validate with people who use this workflow before building.
Hypothesis 4
Allow customizable notification settings.
Assumption to check: Notifications can become overwhelming
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
Haiker is a premium Hacker News client designed for readers who value both substance and aesthetics. We’ve stripped away the clutter, replacing it with a fluid, highly readable thread design that makes following complex tech discussions a breeze. Whether you're a long-time HN lurker or an active contributor, Haiker breaks down language barriers and streamlines your reading workflow. BEAUTIFUL & READABLE THREADS Experience Hacker News without the eye strain. Our custom UI ensures even the deepest, most complex comment chains remain clear, legible, and easy to navigate. SEAMLESS AUTO-TRANSLATION Read smoothly in your native tongue. Instantly translate any post or comment into your preferred language without ever leaving the app. REPLY IN ENGLISH, EFFORTLESSLY Write your thoughts in your own language, and let Haiker automatically translate your reply into fluent English for the global HN community. ENGAGE WITH THE COMMUNITY Securely log in to your Hacker News account to reply to fascinating threads, and join the conversation seamlessly. TRACK YOUR REPLIES Never miss a beat. Haiker automatically checks for new replies to your comments, so you can jump right back into the discussion. BOOKMARK YOUR FAVORITES Found a goldmine of information? Save specific posts and insightful comments to your personal library for quick reference anytime. --- Privacy Policy: https://haiker.app/docs/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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
Axios
Zustand
@react-navigation/native
react-native-reanimated
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.
