App Overview

Performance Stretching - Foam Roller, Static, and Dynamic Stretches icon

Performance Stretching - Foam Roller, Static, and Dynamic Stretches

lolo · Health & Fitness

Everything your gym coach told you about stretching was wrong

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.7
95 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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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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> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for Performance Stretching - Foam Roller, Static, and Dynamic Stretches: 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

Offer a wider range of stretches and user-customizable routines.

Assumption to check: Limited variety of stretches compared to competitors

Validate with people who use this workflow before building.

Hypothesis 2

Provide clear explanations and trials for subscription.

Assumption to check: In-app purchases can be confusing

Validate with people who use this workflow before building.

Hypothesis 3

Add social features for users to share achievements and routines.

Assumption to check: No social features for sharing progress

Validate with people who use this workflow before building.

Hypothesis 4

Implement an algorithm to suggest stretches based on user history and goals.

Assumption to check: Lack of personalized recommendations

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

Everything your gym coach told you about stretching was wrong. Performance Stretching will show you how to do it right. Most people learned back in elementary school that they should do static stretching (where you hold a stretch for a few minutes) before running or engaging in sports to prevent injury. It turns out that static stretching before a workout not only decreases athletic performance, it can actually increase the risk of injury. The right way to get ready for an intense workout is dynamic stretching: This active form of stretching moves your muscles through the full range of motion to increase your blood flow, reduce tightness, deliver important nutrients to muscles, and improve your athletic performance. Performance Stretching will show you the most effective type of warm up for running and nearly every type of sport. Add it before any activity and you will be amazed by how much your performance improves. No matter how well you warm up, athletic activity still puts stress on the body. Performance Stretching also includes foam roller programs to give yourself a deep tissue massage and release knots that limit movement, keep your muscles tight, and lead to injury. Foam roller stretching is also excellent for body builders, or anyone that wants to build healthy muscles, to prep their muscles for growth. If you don't have a foam roller, Performance Stretching still includes great ways to cool down your muscles and lessen post-workout soreness by flushing out the lactic acid. This is where static stretching is best. Done at the proper time, in the proper way, static stretching will help you improve your balance, blood circulation, flexibility, range of motion, and production of synovial fluid (the fluid that reduces friction in your joints). Whether you need a proper warm up, a cool down, or a relaxing, healing recovery, Performance Stretching will guide you through the right types of stretches for the right occasions and it will show you how to do them effectively. FEATURES • Over 150 different stretches. Each one includes a video you can view DURING YOUR WORKOUT and audio description to help you perfect your form. • The right stretches for the right reasons. A mixture of static, dynamic, and foam roller stretches maximizes your results. • Fast and efficient. Holding positions for longer than 30 seconds is less effective. • Works anywhere! No equipment needed for a terrific stretching workout. • Completely interactive. Swap out stretches to personalize your workouts. • Sync your workouts to the Health app. • Compatible with most bluetooth heart rate monitors. PERFORMANCE STRETCHING PROGRAMS: Foam Roller Stretch Program - A full-body deep tissue massage to work out all the knots that keep your muscles tight. Dynamic Running Warm Up Stretch Program - Warm up your legs properly to take your run to the next level. Dynamic Sport Warm Up Stretch Program - Warm up every major muscle group so that you can give your best. Lower Back Rehab Program - Stretches and strength training moves to improve your core strength, reduce back pain, and increase your range of motion. Lower Back Static Stretch Program - Work out the stiffness in your lower back and fix your posture. Lower Body Static Stretch Program - You use your legs for everything, keep them at their functional best. Upper Body Static Stretch Program - Keep your upper body loose, relaxed, and properly aligned. Full Body Static Stretch Program - Increase flexibility, range of motion, blood flow, joint health, and posture throughout your entire body. Quick Full Body Static Stretch Program - When time is a factor, but you still want to do something great for your body. Static Stretch Cool Down Programs - Designed to relax tired muscles and improve functional flexibility while your body is still warm. Works with Health

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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
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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.