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
Life Bible App
Join the millions of people who love the Life Bible App (formerly Tecarta Bible)
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
104,707 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 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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Life Bible App: 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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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 full offline mode with sync capabilities.
Assumption to check: Limited offline access to Bible texts.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the interface and prioritize key features.
Assumption to check: Cluttered UI with too many features.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance search algorithm for better relevancy.
Assumption to check: Inconsistent search results.
Validate with people who use this workflow before building.
Hypothesis 4
Offer clearer explanations and comparisons of subscription benefits.
Assumption to check: Subscription confusion with multiple tiers.
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
Join the millions of people who love the Life Bible App (formerly Tecarta Bible). Our mission is to help people get the most out of their Bibles every day. Start every morning with the verse of the day, daily devotional or daily TouchPoint - answers for life’s most important questions. Whether you are a beginner or veteran, you can find everything you need to deepen your relationship with God and grow. Start your day inspired with over 36,000 devotionals. If you love what you read, you can easily purchase the devotional and read directly in the app. Choose from over 600 topics like faith, anxiety, spiritual growth, courage, marriage and more. Already know what you want to study? Choose from 100+ Study Bibles and Commentaries and get access to study resources like book introductions, personality profiles, maps, charts and more. Need help understanding a verse or just simply want to know more? With just one tap, find the meaning behind every Bible verse (Explain) or see the verse in other Bible translations (Compare). Easily share with family and friends. TOP TRANSLATIONS and STUDY BIBLES ∙ English Translations: NLT, NIV, KJV, ESV, NKJV, NASB and many more; ∙ Study Bibles include LASB, NIV Study Bible, ESV Study Bible, NKJV Study Bible, NASB MacArthur and all the other top selling Study Bibles; ∙ Other languages include Spanish, Portuguese, Korean, French, Chinese and Tagalog. FEATURES ∙ Designed by developers and designers who love the Bible; ∙ Stream popular translations for free. Download any title for offline access; ∙ Get daily Bible app notifications each morning for the verse of the day and daily devotional; ∙ Over 600 topics for your daily reading. Choose from some of our top reading plans: One-year Bible, The Bible Recap, Chronological Bible, Psalms, Proverbs, Old Testament, New Testament or create your own plan; ∙ Create free 3, 7, 14 or 30 day devotional plans.; ∙ Read and discuss a plan with family and friends using the Group Plan feature; ∙ Search over 40 translations simultaneously to find your Bible verse. Filter to select your favorite Bible translations; ∙ The only Bible app to have the best-selling TouchPoints series available for free. Discover over 350 topics with engaging questions and Scriptures to find Bible answers for life’s most important questions; ∙ Listen using our audio Bibles to study God’s Word on the go; ∙ Explore and try for free all the best-selling Study Bibles as well as top commentaries. Commentaries include Cornerstone Bible Commentary, Life Application Bible Commentary, Thru the Bible Commentary, Jon Courson’s Application Commentary, Believer’s Bible Commentary, Matthew Henry Concise Commentary and the Preacher’s Commentary. ∙ Choose your own unique highlight colors to markup important verses and insights in your Bible app; ∙ Create personal study notes with our “verse notes” feature; ∙ Flip seamlessly between your Bible and notes so you don’t get left behind during church. Rich text editor allows you to bold, underline, indent or create numbered and bulleted lists; ∙ Split the screen so you can see Bibles, Study Bibles, commentaries or personal notes side by side; ∙ Backup & sync your content. Access notes, bookmarks, highlights and purchases across all your mobile and web devices for easy access anywhere; ∙ Customize your settings to change font, font size, and light/dark mode; ∙ Share verses with family and friends via email, text, Twitter or Facebook. Learn more at https://lifebible.com/features See our terms at https://tecarta.com/terms
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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.
SUGGESTED BUILD STACK
React Native
Expo
Zustand
Supabase
React Navigation
TypeScript
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.
