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
Facts - Daily Random Trivia
Knowledge is power
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
69,552 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 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 Facts - Daily Random Trivia: map the core Reference 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
Knowledge is power. Learn interesting things every day and surprise everyone with Daily Random Facts! Want everyone to think you’re super smart? Amaze others with your unique knowledge of facts and stand out from the crowd. Or just try to learn something new every day. You’ll have loads of fun with Daily Random Facts so try it out today for free! Explore thousands of facts and interesting content, sorted in categories like: - Human body facts - History dates - Facts about animals - Life hacks - Facts for kids - Facts about sports - Trivia questions and answers - Science facts - Riddles - And many more! And now with Facts Premium you can: + Remove ads + Save your favorite facts + Change font and colors + Search facts by word + Browse facts curated in categories To get access to the Facts Premium content and functionality, you can choose between a lifetime, monthly, and yearly auto-renewable subscription. This is a recurring transaction that will be charged to your iTunes Account at confirmation of purchase and will automatically renew unless you cancel it at least 24 hours before the end of your subscription. Renewals will be charged at the same cost within 24 hours prior to the end of the current period. You can manage your subscriptions and auto-renewal can be turned off by going to your iTunes Account Settings after purchase. Privacy Policy: https://monkeytaps.net/privacy Terms of use: https://monkeytaps.net/terms
Written user reviews are not shown here. Check current App Store reviews >
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 colorful and dynamic images with facts.
Assumption to check: Many trivia apps lack engaging visuals.
Validate with people who use this workflow before building.
Hypothesis 2
Offer users the ability to select categories and personalize their experience.
Assumption to check: Limited categories of trivia facts.
Validate with people who use this workflow before building.
Hypothesis 3
Implement user ratings or feedback for trivia facts.
Assumption to check: Inconsistent fact quality.
Validate with people who use this workflow before building.
Hypothesis 4
Provide an ad-free subscription model for premium users.
Assumption to check: Ads can be intrusive.
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.
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BUILD KIT DIFFICULTY
Starter
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.
