App Overview

Jetting for Rotax Max EVO Kart icon

Jetting for Rotax Max EVO Kart

ISEnet · Sports

This app provides, using weather conditions and your engine configuration, a recommendation about jetting and spark plug to use for karts with Rotax Max EVO (Senior, Minimax, Micromax, Supermax, DD2 or Junior), which ...

$5.99 · In-app purchases

PRICE
$5.99
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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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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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.

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.

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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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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Jetting for Rotax Max EVO Kart: 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

Incorporate community features like user comments and ratings on setups.

Assumption to check: Limited user engagement features.

Validate with people who use this workflow before building.

Hypothesis 2

Implement a recommendation engine based on user preferences and past setups.

Assumption to check: Lack of personalized recommendations.

Validate with people who use this workflow before building.

Hypothesis 3

Add functionality for users to share their setups on social media.

Assumption to check: No social sharing options.

Validate with people who use this workflow before building.

Hypothesis 4

Regularly update the app with new jetting setups and tips.

Assumption to check: Static content without updates.

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

This app provides, using weather conditions and your engine configuration, a recommendation about jetting and spark plug to use for karts with Rotax Max EVO (Senior, Minimax, Micromax, Supermax, DD2 or Junior), which use a Dellorto VHSB 34 XS carb. In order to get the weather values, the application can use the GPS to obtain the position and altitude, and the network connection to get the temperature, pressure and humidity from the nearest weather station. Nevertheless, the application can run without GPS and internet connection, in this case, the user has to give the weather data. The application is made up of four tabs that are described next: - Results: in this tab, the recommended main jet, needle position, air density and spark plug type values are shown. This data are calculated depending on the weather conditions and the engine configuration given in the next tabs. In addition, this tab lets to make a fine tuning adjustment to adapt to a concrete engine. - Weather: you can set the values for current temperature, altitude, pressure and humidity. The values of this screen can be manually set or can be loaded by the application reading the data from the nearest public weather station (from the GPS tab). - Engine: you can set in this screen the information about your engine, carburator and track, that is, the engine type (Micromax, Minimax, Senior, Supermax, Junior or DD2), the model year of the engine, the spark plug brand used, the needle type, the float/pilot jet combo, the floats height, venturi, oil mix ratio, airbox type (new or old model) and the track type. - GPS: this tab allows to use the GPS to get the current position and altitude, and connect to an external service to get the weather conditions of the nearest weather station (temperature, pressure and humidity). The application works with different measure units: inHg, mb, mmHg, hPa, atm for pressure, ºC and ºF for temperature. The app is NOT VALID for Rotax Max engines before 2015. For these engines, you should install Jetting Max Kart.

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Screenshots

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BUILD KIT DIFFICULTY
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From the Build Kit assessment.

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