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
Goose Tech
Goose Tech is the cutting edge of goose calling instruction
$19.99 · In-app purchases
PRICE
$19.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
42 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/
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 Goose Tech: 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
Implement a clearer navigation structure with distinct tabs for easy access.
Assumption to check: Users often find it difficult to navigate between analytics and training features
Validate with people who use this workflow before building.
Hypothesis 2
Offer customizable training plans based on user goals and performance data.
Assumption to check: Some users report limited personalized training plans
Validate with people who use this workflow before building.
Hypothesis 3
Enhance real-time tracking features to ensure more accurate performance data.
Assumption to check: Inconsistent performance tracking during workouts
Validate with people who use this workflow before building.
Hypothesis 4
Provide clearer information on subscription tiers and benefits upfront.
Assumption to check: Subscription pricing is unclear for new users
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
Goose Tech is the cutting edge of goose calling instruction. Under the guidance of the Goose Guru himself, Nick J, you will be able to hone your goose hunting, and, in particular, calling skills and better know how to successfully call in and kill more geese. Goose Tech is designed to take you on a goose calling journey. First, Nick J. covers the basics and introductory concepts. Then he graduates you to the root sounds in goose calls with a specially designed alphabet. Next, you learn a wide variety of goose sounds. Finally, you apply all of this knowledge with various calling sequences and skill builders. You can also record yourself calling and compare to the real sounds on the app. Finally, Nick J has taken his tried and true goose hunting tips and tactics to help you bring it all together. One-Time Purchase Version gets you all of the following features: Introductory Videos: -Welcome and Course Introduction -Outline of Course Fundamentals -Course Goals -Description of Goose Calling Fundamentals -Understanding Why Geese Call -Importance of Goose Calling -Goose Call Selection -How to Hold the Call -Call Lip Placement Alphabet Instruction (all with how-to video and written tips from Nick J.): -Introduction to the Honker Alphabet -O I T O - The Structure of Note Building -Clean O (O without Voice Inflection) -Clean O Skill Builder -Dirty O (O with Voice Inflection) -I and T -I: Finding Your Lowest Volume -I: Pressure Range -I: Skill Builder -Breaking the Reed Over (Fast Delivery) -Breaking the Reed Over (Slow Delivery) -Fundamentals Wrap Up Goose Calls (all with how-to video, real goose audio, and hunting tips for each, including special “Pro Tips”): -Cluck -Cluck Moan -Double Cluck -Hiccup -Honk -Moan -Pleading Spit Note Quick Spit Rolling Double Cluck Rolling Triple Cluck Spit Notes COMING SOON! Pro Subscription will get you the following additional content: 13 Sequences and Skill Builders and 11 Tactics sections (at the time of initial app release), which will be updated regularly with new sequences, skill builders, videos and tips from Nick Johnson, podcast episodes, calling challenges, and much, much more. In sum, Goose Tech will help you become a better goose hunter. It’s that simple!
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
Supabase
Zustand
React Navigation
react-native-chart-kit
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.
