App Overview

Tread App icon

Tread App

Seth Todd · Health & Fitness

Tread turns your day's activity into a projection — where you'll finish if you keep your current pace — so you always know whether you're on track before the day is over.

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
5.0
4 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 included15 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 Tread App: 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 challenges and sharing options

Assumption to check: Limited integration with social features

Validate with people who use this workflow before building.

Hypothesis 2

Provide advanced analytics on workout performance

Assumption to check: Basic metrics without detailed analysis

Validate with people who use this workflow before building.

Hypothesis 3

Allow users to create and save custom workout routines

Assumption to check: No support for custom workout plans

Validate with people who use this workflow before building.

Hypothesis 4

Add gamification elements like badges and leaderboards

Assumption to check: Lack of motivational 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

Tread turns your day's activity into a projection — where you'll finish if you keep your current pace — so you always know whether you're on track before the day is over. Pay once. Every metric, widget, and complication is included. No ads, no subscriptions, no in-app purchases. END-OF-DAY PROJECTIONS Tread learns your typical rhythm from your own history and projects your end-of-day total in real time. The green Projected ring and dashed chart lines show where you're headed, not just where you are. TRACK WHAT MATTERS TO YOU • Steps and stairs, always on • Exercise minutes, workout minutes, and average workout heart rate • Weight and body fat trends from your smart scale — no goals, no judgment, just the curve Turn metrics on or off and reorder them to put what matters first. Your order syncs to your Apple Watch. WEEKLY STREAKS, FROM YOUR OWN HISTORY See how many weeks in a row you've met your goal, and how many you've run above your 4-week average — computed from up to two years of Apple Health data, so it works from day one. A quiet summary lands Sunday morning with your week's results. No streamers, no guilt — just the numbers. WIDGETS AND COMPLICATIONS 13 iPhone home and lock screen widgets and a full set of Apple Watch complications — rings with built-in projections, 13-day graphs, and streaks at a glance. All kept current in the background, so they're fresh without opening the app. YOUR DATA STAYS YOURS Tread reads from Apple Health and does its work on your device. Your health data is never collected, never uploaded, and never leaves your iPhone and Apple Watch. Steps. Stairs. Exercise. Heart rate. Weight. See where your day is going.

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.

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BUILD KIT DIFFICULTY
Intermediate

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.