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
NIV Bible App +
NIV Bible App equips you with easy-to-use Bible study tools so you can read and study the Bible for yourself.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
146,324 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 NIV 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 reading capabilities.
Assumption to check: Limited offline access to content.
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to create and manage their own reading plans.
Assumption to check: Lack of customizable reading plans.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance the bookmark and note management interface.
Assumption to check: Difficulties in managing bookmarks and notes.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a feature for audio playback of any selected verse.
Assumption to check: No audio playback for all verses.
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
NIV Bible App equips you with easy-to-use Bible study tools so you can read and study the Bible for yourself. READ Immerse yourself in God’s Word with your favorite Bible translation downloaded to your device. Use 5 of the most popular Bible translations for free along with many other free resources. Trying to get back into the Word? There are tons of devotional reading plans, from one week to a year to get you deep into scripture. STUDY With thousands of titles available to purchase on the Olive Tree store you can be confident in building yourself a solid library of study resources to keep you studying God’s word for years to come! Not sure where to start? Check out one of our study packs in subscription form. They’re hand-picked study tools PLUS guided training to help you get the most out of studying the Bible. LISTEN Audio Bibles and books! Choose from simple reading or dramatized Bibles to thousands of audio book titles for Christian living. WATCH Olive Tree is partnering with BibleProject to give you free access to great videos, including introductions for every book in the Bible and other topical videos relevant to your Bible study. FEATURES Whether you’re here for a daily verse or prepping a sermon, Olive Tree has the tools you need to dive deep into God’s Word. PURCHASE OPTIONS Whether you want buy resources using a one-time purchase or subscribe to a curated list of tiles to jumpstart your Bible study, Olive Tree has multiple (and affordable) purchase options to suit your style. SUBSCRIPTION PAYMENT INFORMATION Olive Tree subscriptions will be charged to your Apple ID account at the confirmation of purchase and/or completion of a free trial. Subscription automatically renews unless it is canceled at least 24 hours before the end of the free trial or current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. End-user license agreement: https://www.olivetree.com/press/privacy.php#eula Terms of use: https://www.olivetree.com/press/privacy.php#terms Privacy policy: https://www.olivetree.com/press/privacy.php
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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
Supabase
react-navigation
react-native-async-storage
react-native-voice
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.
