App Overview

FeetBeat Cadence icon

FeetBeat Cadence

Alchemy Endurance · Health & Fitness

FeetBeat is a professional cadence assessment and coaching tool designed for physical therapists, running coaches, and clinicians who work with runners and triathletes.

$4.99 · In-app purchases

PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
5.0
3 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 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 FeetBeat Cadence: map the core Health & Fitness 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 social features to challenge friends and share achievements.

Assumption to check: Lack of user engagement features such as social challenges.

Validate with people who use this workflow before building.

Hypothesis 2

Offer customizable workout plans and templates.

Assumption to check: Limited workout variety and customization options.

Validate with people who use this workflow before building.

Hypothesis 3

Streamline the connection process for wearables like smartwatches.

Assumption to check: Difficulty in connecting to wearables.

Validate with people who use this workflow before building.

Hypothesis 4

Integrate with HealthKit and Google Fit for comprehensive tracking.

Assumption to check: No integration with health data from other apps.

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

FeetBeat is a professional cadence assessment and coaching tool designed for physical therapists, running coaches, and clinicians who work with runners and triathletes. Created by Chris Johnson, PT — physical therapist, running coach, and multi-time Kona Ironman qualifier — FeetBeat helps you assess running cadence, set clear targets, and guide retraining with speed and precision. CADENCE COUNTER Tap in time with your client’s steps to measure SPM in real time. At the end of each session, FeetBeat generates a clean summary with cadence targets, session duration, and space to record footwear and running speed. Copy results directly into a text, email, or a note. METRONOME Set a target BPM and choose from four click sounds to support cadence retraining and exercise prescription. Audio continues with the screen locked so you can keep coaching without interruption. STOPWATCH Track laps and split times with a clean, dependable stopwatch. TIMER Use preset countdowns, switch between analog, digital, and hourglass views, and add time mid-session without resetting. Built for the clinic, the track, and the trail. No subscriptions. No accounts. No ads. Just practical tools for helping runners move better and train consistently.

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
Victory Native
React Navigation
Axios
React Native Sensors
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.