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
Outread: Speed Reading
speed-read websites, ebooks and documents
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
1,163 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's included18 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 Outread: Speed Reading: map the core Books 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
Incorporate more diverse reading exercises and materials.
Assumption to check: Limited content variety may lead to user disengagement.
Validate with people who use this workflow before building.
Hypothesis 2
Improve the slider responsiveness and user feedback.
Assumption to check: Some users report difficulty with speed adjustments.
Validate with people who use this workflow before building.
Hypothesis 3
Offer clearer descriptions and trial options for premium features.
Assumption to check: In-app purchases are not clearly explained.
Validate with people who use this workflow before building.
Hypothesis 4
Implement social sharing or reading groups for user engagement.
Assumption to check: Lack of community features may reduce motivation.
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
speed-read websites, ebooks and documents. outread improves reading effectiveness by helping you to focus on reading small chunks of text at a time. you can either follow the highlighter along the page or keep the text centered. featured by apple in “best new apps”, “train your brain” and "read something new" sections “you're in luck, because outread will help you get through [articles] and learn speed-reading in the process.” — lifehacker "speed between the lines" — wsj “a clear winner in the speed-reading category” — appadvice basic features: - speed read by following the highlighter along the page (highlighting mode) or by keeping the focused phrase in the center of the screen (flashing mode - rapid serial visual presentation) - exercises improving peripheral vision, eidetic memory, short-term memory and chunking ability. - add webpages from safari or other apps using share extension - paste text or add from a url - sync your library, preferences and reading stats between your devices - adjust the reading speed and chunk length (length of text you read at once) - bookmark parts of text for later and add notes to them - selection of fonts to suit all reading conditions - monitor your progress with reading stats - filter (by services or tags) and sort (by date, length or title) the items - see images included in text (even during speed reading) - ai translate text added to the app to many supported languages - pleasant reading experience improving comprehension and concentration for people with dyslexia, add and adhd - test your reading speed and comprehension - universal app for iphone, ipad and mac - everything is always with you, even offline outread+ features: - read free classic novels from the built-in catalog - sync with instapaper - add your own ebooks (drm-free epub) - add pdf, microsoft word, rtf and txt documents - higher reading speed up to 1,500 words per minute - unlimited bookmarks and notes - reader themes: black & white (great for oled), sepia and gray note: - drm-protected ebooks (kindle and most of ibooks ebooks) are not supported terms and conditions: https://outreadapp.com/terms privacy policy: https://outreadapp.com/privacy-policy if you have any questions or suggestions, you can reach us at [email protected]
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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.
