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
ArrowNautics
ArrowNautics is so easy and intuitive to use, it will make scoring fun
$9.99 · In-app purchases
PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
63 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.
Build your own version
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/
Preview a sample Build Kit No email needed
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 ArrowNautics: 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
Enhance with advanced analytics and visualization.
Assumption to check: Limited analytics features for performance tracking.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the onboarding process and improve UI clarity.
Assumption to check: User interface can be confusing for new users.
Validate with people who use this workflow before building.
Hypothesis 3
Add sharing options for session results on social media.
Assumption to check: No social sharing features for achievements.
Validate with people who use this workflow before building.
Hypothesis 4
Streamline the subscription and upgrade process.
Assumption to check: In-app purchase process can be cumbersome.
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
ArrowNautics is so easy and intuitive to use, it will make scoring fun. (If that’s even possible!) Be the one who scores in less than half the time and gets it right the first time without the math stress, so you can focus on what’s important – shooting! Best of all, ArrowNautics lets you keep score for as many archers as you want. Whether it’s a tournament, league night, or even a 3D field event, let ArrowNautics keep score and watch the leaderboard to see who’s leading. You’ll be the envy of your fellow archers. You’ll be scoring in 3 easy steps: 1. Create an event from an existing template or create your own custom event. 2. Add archers to the event and arrange them in shooting order. 3. Shoot, Score and Enjoy! … and that’s not all. ArrowNautics’ scorecards are so visual, they’ll give you a whole new perspective on your shooting. They’re customizable too! … and when you shoot an amazing end, tap the camera button and ArrowNautics will add a special touch to capture that special moment. … and when the event is over, email and print the scoresheets. You can even print blank scoresheets for hand scoring. Now you can have professional scoresheets at every event! You’ll never score the same old way again. All this for less than a dozen nocks! What are you waiting for? Download ArrowNautics now and experience archery like never before! Features: • It works just like you’re used to! • Supports multiple archers with pictures. • 120+ templates for World Archery, NFAA, IFAA, 3D, NASP, NFAS, GNAS, Archery Australia, Field Archery and more. • Create your own custom events and templates, defining multiple distances, target faces and formats. As many as you want! • Practice template for unlimited ends. • Customizable scorecards. • Up to 12 arrows per ends. • Supports many different target faces and scoring formats, including inside-out scoring. • Supports many different tiebreaker rules. • Event leaderboard • Rank on event, distance or both. • Email scoresheets. (Highly customizable) • Print scoresheets. (Highly customizable) • Email/Print blank scoresheets for hand scoring. • Sight Markings for each archer. • Take pictures right from the scorecard as you’re scoring it. • and more…
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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 Navigation
Axios
React Query
Victory Native
Expo AV
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.
