App Overview

Super Awesome Workout 4000 icon

Super Awesome Workout 4000

Andrew Katz · Health & Fitness

The 4000 is a workout app.

$1.99 · In-app purchases

PRICE
$1.99
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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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 Super Awesome Workout 4000: 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 leaderboards to motivate users.

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

Validate with people who use this workflow before building.

Hypothesis 2

Add Apple Watch support to track workouts directly.

Assumption to check: Limited integration with wearable devices

Validate with people who use this workflow before building.

Hypothesis 3

Allow users to customize dashboard widgets and themes.

Assumption to check: Basic UI with minimal customization options

Validate with people who use this workflow before building.

Hypothesis 4

Implement a nutrition log for meal tracking and macro calculations.

Assumption to check: No nutritional tracking 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

The 4000 is a workout app. It picks the workout. It counts the seconds. It says the exercise names out loud so you don't have to think. You just show up. No streaks. No guilt. No email. No "journey." WHAT THE 4000 DOES • Picks a 15 to 20 minute workout based on what day it is. • Strength days: 6 exercises, 2 circuits, roughly 18 minutes of work. • Cardio days: structured intervals on the treadmill or wherever you have. • Rest days: it's asleep. So are you. Or go for a walk. Whatever. HOW IT WORKS • Tap START. The 4000 counts you in. • It announces every exercise out loud, in a font called Bungee, in a voice that means it. • Between sets, it waits. Rest never auto-advances. Tap when you're ready, or say "ready" if you have the mic on. • Locked screen, headphones unplugged, app in the background. It keeps counting. Live Activity and Dynamic Island show the timer without you having to look. EQUIPMENT • A bit of floor space. • Optionally: dumbbells, a band, a treadmill. • That's the list. WHAT THE 4000 WILL NEVER DO • Guilt you about a missed day. Yesterday didn't happen. Today still can. • Track a streak. • Ask for your email. • Sync to a wearable so a CSV of your heart rate ends up on three servers. • Use the word "mindful." WHO MADE THIS A small team that wanted a workout app that respects your time and shuts up during rest. The 4000 was born in a rendering pipeline in April 2026. Its whole job is to count seconds and pick the right six exercises for a Wednesday. The 4000 is proud of you. (That's just an if-statement. But still.)

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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
Supabase
React Navigation
Zustand
react-native-reanimated
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.