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
Silo Bible
Silo Bible is a 100% offline Bible study app for iPhone.
$7.99 · In-app purchases
PRICE
$7.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 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 included16 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.
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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.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Silo Bible is a 100% offline Bible study app for iPhone. READ • Immersive serif reading in the Editorial Dark style — adjustable type size, typeface, and line height. • The World English Bible and Strong's Concordance are built in; open-licensed translations download once for offline use. TODAY • Follow local reading plans, recover one missed day, and inspect read-only completion history from earlier plans. • Memorize verses with private, on-device spaced repetition and optional generic reminders. STUDY • Tap any tagged word for its Hebrew or Greek lemma, transliteration, definition, KJV usage, and occurrences. • Keep highlights, typed or handwritten margin notes, bookmarks, and reading position locally. LISTEN • Use system voices or natural open-source Piper voices running entirely on-device. • Enter a distraction-free listen mode with word-synced highlighting, chapter controls, and a sleep timer. ASK • On supported Apple Intelligence devices, Bible Chat answers from installed translations with tappable verse citations. Unsupported devices show an honest availability explanation. PRIVATE BY ARCHITECTURE • No account, analytics, tracking, or cloud AI. The only network traffic is anonymous translation and voice-pack download, plus links you choose to open. PRICING • One-time purchase. No subscription or in-app purchases. SCRIPTURE SOURCES • Public-domain texts from eBible.org; Strong's dictionaries from OpenScriptures.
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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
BUILD KIT DIFFICULTY
Intermediate
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.
