App Overview

Softball Radar Gun + icon

Softball Radar Gun +

LW Brands, LLC · Sports

Turn your iPhone or iPad into a portable Radar Gun, accurate to +/- 0.5 MPH.

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.0
124 ratings · Top 30%

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 included13 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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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 Softball Radar Gun +: 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

Expand features like pitch type analysis or player statistics.

Assumption to check: Limited functionality compared to professional radar guns

Validate with people who use this workflow before building.

Hypothesis 2

Implement calibration settings to improve accuracy.

Assumption to check: Accuracy issues in measuring speed

Validate with people who use this workflow before building.

Hypothesis 3

Enhance UI with better graphics and animations.

Assumption to check: User interface is not very engaging

Validate with people who use this workflow before building.

Hypothesis 4

Add tips or drills for improving pitching skills.

Assumption to check: Lack of coaching tips or training features

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

Turn your iPhone or iPad into a portable Radar Gun, accurate to +/- 0.5 MPH. I wish I had this app growing up. Radar guns were way too expensive and pitching coaches rarely encouraged "throwing hard" over "accuracy". Well, now we have iPhones and iPads capable of filming slo-mo, 240 FPS video... and we have them readily available at every game. I made this app to give every softball player and parent the opportunity to not only measure pitch speed, but also to analyze pitching mechanics with a very simple tool. ** APP FEATURES ** Portable Radar Gun - Load videos from your Camera Roll - Capture the release point and plate crossing video frames - Speed calculation is based on time and distance traveled - Stats accurate to +/- 0.5 MPH (slow-motion video) - Perfect for all age groups - Mound distances: 43', 40', 35' - Optimized for both iPhone and iPad Video Analysis - Frame-by-frame analysis of pitching mechanics ** IMPORTANT ** This app does NOT rely on your reflex time to calculate pitch speed, like many 'stop watch radar gun' apps. Instead, you will use the iPhone's powerful camera technology (preferably 240 FPS slo-mo video) to accurately capture the pitcher's release point and plate crossing, resulting in extremely repeatable pitch speed calculations. Licensed under US Patent 8,803,913. If you have any questions or feedback, please email me at [email protected]. Enjoy!

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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 Native
Expo
Zustand
Axios
Expo Camera
React Navigation
BUILD KIT DIFFICULTY
Starter

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.