App Overview

Run 5k - couch to 5k program icon

Run 5k - couch to 5k program

Felt Tip Inc. · Health & Fitness

Join the hundreds of thousands of runners who have used Run 5k to go from a couch potato to a 5k (3.1 miles) runner

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
3.9
67 ratings · Top 50%

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 Run 5k - couch to 5k program: 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

Implement customizable training plans with user input.

Assumption to check: Users often find training plans too rigid.

Validate with people who use this workflow before building.

Hypothesis 2

Add social features for sharing progress and challenges.

Assumption to check: Limited social features for motivation.

Validate with people who use this workflow before building.

Hypothesis 3

Simplify the subscription process with clearer prompts.

Assumption to check: In-app purchase navigation can be confusing.

Validate with people who use this workflow before building.

Hypothesis 4

Include features for cross-training or other exercises.

Assumption to check: No ability to track non-running workouts.

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

Join the hundreds of thousands of runners who have used Run 5k to go from a couch potato to a 5k (3.1 miles) runner. This app is great for beginner runners who have never run before or former runners who want to start up again. The Run 5k app has been featured on CNN.com, Boston.com’s lifestyle-health section, and in Health Magazine. Get into shape using our 8-week beginner training plan, complete with an animated warmup and cooldown stretching program. This app has voice cues that guide you even when your screen is locked. The app tells you when to run and walk and gives audio cues for distance and pace when you use GPS. You can use this app outside, on a track, or in the gym. FEATURES • Apple Watch app—you can leave your phone at home while you work out with our Watch app, or continue to use our Watch app together with the iPhone app. • Speaks pace, distance, intervals, and halfway point. • Optionally uses GPS for pace and distance. (You can also use this app on a treadmill or indoor track without GPS.) • Animated warmup and cooldown stretching programs with timer and voice cues. • Tap out your heart rate on the heart icon. • Supports Bluetooth heart rate monitors. • Integrates with the Health app. Set your weight in the Health app to calculate Calories burned, and to save your Active Calories for each workout. ABOUT the WORKOUTS • 8-week training program perfect for beginners or former runners. • Each workout is about 30 minutes long. • Interval training alternates between jogging and walking. • Workout intervals gradually become more challenging. • 5-minute warmup and 5-minute cooldown, which are skippable. • Speaks each jog and walk interval, halfway mark, and 1-minute-left mark. • Optionally speaks pace and distance information every 1/2 mile or 1/2 km. • Automatically checks off each completed workout and records your date, pace and distance. AUDIO CUES and NOTIFICATIONS If you’re not getting Notifications in the background, open the Settings app, select Notifications, then scroll down to find Run 5k in the list. Tap on Run 5k and turn on Notification Center, choose an alert style, and turn everything else on (Sound, Badge App Icon, Lock Screen). Check your volume and make sure your ringer switch is not set to silent/vibrate. HEALTH This app can be integrated with the Health app. Your weight set in the Health app can be used to calculate Calories burned during a workout, and the total Active Calories burned can be saved to Health app after each workout. Sharing this information with the Health app is optional. GPS and LOCATION To show distance and pace information, Run 10k can use GPS location tracking during a workout. For best results, use this app outside where you can see open sky. Continued use of GPS running in the background can dramatically decrease battery life. Legal Disclaimer: This app and any information given by it or by Felt Tip Inc are for educational purposes only. They are not intended nor implied to be a substitute for professional medical advice. You should always consult your healthcare provider before beginning any fitness program. Run 5k was created by Lucius Kwok, Agnes Chan, and Kasten Searles. Made in NYC.

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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.

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BUILD KIT DIFFICULTY
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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.