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
JoyRead – Novels & Dramas
Don't miss the hit novels and captivating stories on JoyRead - your premium reading paradise! Escape into fantastical realms with our extensive Fantasy collection, or indulge in heart-fluttering Romance tales
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
23,408 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 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 JoyRead – Novels & Dramas: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Don't miss the hit novels and captivating stories on JoyRead - your premium reading paradise! Escape into fantastical realms with our extensive Fantasy collection, or indulge in heart-fluttering Romance tales. JoyRead brings the best in storytelling across genres to novel lovers worldwide. Discover unforgettable reading experiences and unlock a world of literary adventures. Download JoyRead now and immerse yourself in extraordinary narratives! Why JoyRead? 1. With abundant hot online novels and shorts, JoyRead is the best choice for you to wander in a world of fiction! 2. You can always find your favorites in our plentiful stories! 3. With personalized reading recommendations & quick updates for new arrivals, you will have a great experience in following ongoing stories~ 4. Your reading journey starts with a simple swipe, in an easy & comfortable way 5. Free stories as many as you want~ Genres JoyRead has all kinds of books loved and embraced by our readers, from Romance with CEOs to Fantasy to Paranormal. We have: 1. Romance 2. Fantasy 3. LGBTQ+ 4. Werewolf & vampire 5. Billionaire 6. Action and Adventure ... Find more interesting and fascinating stories on JoyRead and start your reading journey right now! Top Picks 1. Editor's Picks - our latest hits, which are so excellent that you don't want to miss 2. Ranking - our most popular books/ trending new arrivals. There will away be one which is for your taste 3. Features - stay up-to-date on our hit genres, help you find your dream fictions 4. Selected Genre - genres most favored by our readers, give it a try when you don't know which story to read 5. Trending Tags - Billionaire, Werewolf & Vampire, Alpha, Mafia... Waiting for you to find more! Read With Ease 1. Personalized page-turning setting: sroll, flip or slide the pages as you want 2. Eye-caring mode: personalized background color will never let your read become dull 3. Font size setting: big or small, all at your disposal 4. Reading model: Daytime Mode and Night Mode for you to choose,you can enjoy an easy read at any time 5. Build Your Own Library: enjoy your favorites in your own world JoyRead VIP 1. Coins and Pearls are available everyday 2. Join a VIP group for Exclusive Pearls or Pass card 3. Double free chances for Lucky Draw 4. Special Profile Picture Frame 5. Price：$9.99/ month,$19.99/ month,$29.99/ month, $49.99/ quarter (three months) 6. The subscription will be made automatically and can be canceled at any time. 7. Privacy policy: https://www.joyreadings.com/privacy_policy_en.html 8. Terms of use: https://www.joyreadings.com/user_agreement_en.html Join JoyRead, more benefits and functions waiting for you in the near future!
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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 personalized recommendations based on user reading habits.
Assumption to check: Limited book discovery features.
Validate with people who use this workflow before building.
Hypothesis 2
Offer an ad-free premium subscription.
Assumption to check: In-app advertising can disrupt reading.
Validate with people who use this workflow before building.
Hypothesis 3
Add options to share books and reading progress with friends.
Assumption to check: Lack of social sharing features.
Validate with people who use this workflow before building.
Hypothesis 4
Enable offline access for downloaded books.
Assumption to check: No offline reading capability.
Validate with people who use this workflow before building.
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
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Axios
BUILD KIT DIFFICULTY
Expert
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.
