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
Vessel: Bible Study & Notes
Never let a sermon or Scripture passage slip away again.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.5
71 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 included15 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 Vessel: Bible Study & Notes: 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
Never let a sermon or Scripture passage slip away again. Vessel turns what you hear and read — sermons, Bible passages, personal reflections — into clear, organized notes you'll actually go back to. Record live in church, summarize a YouTube sermon, or scan a printed page. Vessel does the rest. CAPTURE EVERY SERMON Record sermons directly in the app while jotting your own thoughts as you listen. No more scrambling to remember what the pastor said by Tuesday. SUMMARIZE ANY SERMON, ANYWHERE Paste a YouTube link and get a structured, AI-generated summary in seconds — perfect for sermons you missed or want to revisit. SCAN & STUDY SCRIPTURE INSTANTLY Point your camera at a printed Bible page and Vessel opens the exact passage for you — no flipping, no searching. UNDERSTAND WHAT YOU'RE READING Tap any verse to see the context and meaning behind it — the history, the audience, the intent — so you're not just reading Scripture, you're understanding it. FROM SERMON TO STRUCTURED NOTES Vessel organizes every sermon and study session into key themes, takeaways, and scripture references — so your notes are actually usable, not just a wall of text. TURN TEACHING INTO ACTION Get practical, personalized reflection points and life applications pulled straight from what you just heard or read. REVISIT ANYTIME All your notes, summaries, and recordings live in one searchable library — so what you learned on Sunday doesn't disappear by Wednesday. Whether you're in the pew, studying at home, or catching up on a sermon you missed, Vessel helps you go deeper into Scripture and actually remember it. Download Vessel and turn every sermon into lasting understanding. Privacy: https://vesselapp.ai/app-privacy Terms: https://vesselapp.ai/app-terms GET IN TOUCH: Support: [email protected]
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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
Allow users to format text, add images, or links in notes.
Assumption to check: Limited customization options for notes
Validate with people who use this workflow before building.
Hypothesis 2
Implement local storage to allow offline note access.
Assumption to check: No offline access to notes
Validate with people who use this workflow before building.
Hypothesis 3
Integrate sharing options for notes and discussions.
Assumption to check: Lack of community features
Validate with people who use this workflow before building.
Hypothesis 4
Add a feature to set reminders for reviewing notes.
Assumption to check: No reminders for sermon notes
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
React Native
Expo
Supabase
TypeScript
React Navigation
Zustand
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.
