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.
EXA Ski Tracker Premium & Ski Tracks is an application for all who love snow and winter sports
$1.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for EXA SKI Tracker Premium Gold: map the core Navigation workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Poor user interface design and navigation flow
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited offline functionality
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inadequate performance tracking features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High price for premium features not justified
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
EXA Ski Tracker Premium & Ski Tracks is an application for all who love snow and winter sports. Useful for skiers and snowboarders. Measure the maximum skiing speed, ski track, distance, mark the slopes on the map and provide full statistics of your winter sports activity. This is Premium version of Ski Tracker. It is unlimited, contains extra premium features and it has no ads Ski Tracker includes the following features: - measure and recording the maximum skiing speed - measurement ski tracks distance, divided into downhill skiing and lifts - time measure, skiing, lifts and rest - marking your ski tracks on the map - monitoring the height above sea level, with recording min. and max. values - special feature "Fast Ride" to make a separate measurement of maximum speed, time and distance to any section and time - all data and statistics you can record all day and later view history - with this app you can take pictures with data on it and share them with friends, - our idea is - any ski statistics, maps, graph and others data in one app To use this app do not need a mobile roaming data, just GPS is enough. Remember that the GPS work poorly inside the buildings and can generate wrong data. Sometimes outdoors GPS may need more time to catch the good signal, especially in bad weather conditions. Snow tracker application can also be used to training cross-country skiing, ski touring, skating, snowboarding, alpine skiing or other sports practiced in the open. This app is useful for experienced professionals, but also novice skiers will have while using it a lot of fun. With Ski Tracker Premium, you can compare ski sports results with friends, organize sports competitions and other forms of competitive winter sports. Ski Tracker Premium can also help you navigate on the ski slopes, in finding routes or touch with your friends. You're going skiing in Zermatt or Chamonix? Or maybe Aspen? Check the weather and instal Ski Tracker app. No matter where you'll be, this app certainly give you a lot of fun and impressions! Over 30 millions satisfied worldwide users have installed our apps - join them and have fun! Information This app is continuously developed and improving. We still have been working to develop and improve it. If you see something that can be improved, we will be grateful for e-mail [email protected]. We want to make our apps the best in Apple Store - thanks you.
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.