App Overview

MX Buddy icon

MX Buddy

Christian Pietsch · Sports

THE #1 MOTOCROSS APP

$8.99 · In-app purchases

PRICE
$8.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.5
91 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.

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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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Combine features and design from your favorite apps.

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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/
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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.

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.

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

> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for MX Buddy: 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 chat and forums for riders to connect.

Assumption to check: Limited community engagement features

Validate with people who use this workflow before building.

Hypothesis 2

Add filters and sorting options for better organization.

Assumption to check: Difficult to track multiple rides or events

Validate with people who use this workflow before building.

Hypothesis 3

Offer a free trial to increase user acquisition.

Assumption to check: High upfront cost without free trial

Validate with people who use this workflow before building.

Hypothesis 4

Implement real-time syncing to improve user experience.

Assumption to check: Inconsistent data syncing across devices

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

THE #1 MOTOCROSS APP Why choose MX Buddy? - One-time payment. No subscription needed! - Works on any outdoor track without internet connection. - MX Buddy is packed with features and much more flexible than other motocross apps! Here you find all compatible GPS devices: https://mxbuddyapp.com/devices Main features of the app: GPS Recording • Live with the iPhone, the Apple Watch or for high precision GPS with the XGPS160 or the RaceBox Mini (S) • Live panels for the display of times, consistency and much more • Live speaking of lap and split times • Heart rate recording (heart rate belt required) • Race mode (time and laps) Import GPS Data • RaceBox Mini S or Micro • XGPS160 • Polar Flow • Garmin Connect • Workouts from Apple Health • Apple Watch App • GPX, TCX, KML, VBO or FIT Files Lap Times • Import LITPro • Import MYLaps • Motocross stopwatch • Manual input Analysis • Lap and split times • Race start analysis (RaceBox Mini required) • GPS playback with metrics (speed, acceleration, etc.) • Corner analysis • Speed, distance and consistency score • Theoretically best lap time • Segment comparison • Improvement potential per segment • Extensive statistics • Summary of all sessions with chart and statistics • Heart rate analysis • Best race strategy • Track consistency over time Bikes • Manage setups for every track and track condition • Load the fastest setup per track and soil • Maintenance reminders • Full export of all maintenances as PDF Additional • Custom tracks with map, GPS setup and type of soil • Track weather • Rider profile with picture and name • Season goals • iCloud backups and a lot more... Note: Continued use of GPS running in the background (on iPhone or Apple Watch) can dramatically decrease battery life. If you have questions, feel free to ask me! [email protected] GET READY TO RACE WITH MX BUDDY !

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
Zustand
Axios
Supabase
React Navigation
BUILD KIT DIFFICULTY
Advanced

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.