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
Bow Tune Log Archery2026
Bow Tune Log is a local offline tool for archery enthusiasts to record bow tuning, arrow setup details, and training results.
$0.29 · In-app purchases
PRICE
$0.29
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 Bow Tune Log Archery2026: map the core Sports 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
Provide more customizable fields and templates for different bow types.
Assumption to check: Limited customization options for tuning logs
Validate with people who use this workflow before building.
Hypothesis 2
Implement social sharing options for performance stats.
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Add reminder notifications for users to log their tuning sessions.
Assumption to check: No reminders for tuning sessions
Validate with people who use this workflow before building.
Hypothesis 4
Enhance analytics features to provide deeper insights on performance trends.
Assumption to check: Insufficient analytics on performance trends
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
Bow Tune Log is a local offline tool for archery enthusiasts to record bow tuning, arrow setup details, and training results. It is designed for archers who need to track changes in risers, limbs, rests, sights, arrows, and setup adjustments over time. All data stays on your device. No login is required, the app does not connect to the internet, and it does not collect personal data. Core features: 1. Bow tuning profiles: record draw weight, tiller, center shot, rest position, nocking point height, sight marks, and more. 2. Paper tune and bare shaft logs: save tear direction, adjustment actions, bare shaft impact points, and tuning conclusions. 3. Arrow setup management: record shaft model, spine, point weight, vanes, arrow length, and total weight. 4. Training review: log date, distance, ends, scores, wind, shooting feel, and notes. 5. Local search and export: quickly find past tuning setups and restore stable configurations before practice or competition.
Written user reviews are not shown here. Check current App Store reviews >
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
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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.
