App Overview

Hevy - Workout Tracker Gym Log icon

Hevy - Workout Tracker Gym Log

Hevy Studios S.L. · Health & Fitness

The workout tracker featured by Apple and trusted by 15M+ lifters

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
101,616 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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> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for Hevy - Workout Tracker Gym Log: 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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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

The workout tracker featured by Apple and trusted by 15M+ lifters. Rated 4.9 on the App Store. 112M+ workouts logged in 2025 alone. Log every set, follow any program or split, and track your lifts and volume. Learn how to do any exercise with high-quality videos and step-by-step instructions. Free, with no ads. Train alongside millions of lifters, follow friends and family, compare your stats, and share your progress in their feed. No program? No problem. Whether you're new and overwhelmed or a gym veteran, browse Hevy's large, free library for a full split or individual workouts. And now, Hevy Trainer gives you the coaching you need, available with Hevy Pro. It builds a program tailored to your experience, goal, available equipment, and preferences. Trainer tracks your progress and consistency, and guides you through each workout with tips and progressive overload. (Even if you only have dumbbells and a workout mat.) WHY HEVY? • Log weights, reps, duration, and RPE in seconds without breaking the flow of your sets. • See last session's weights and reps for every exercise, right where you need them. No guessing, no scrolling back through history. • Log supersets, drop sets, warm-ups, and failure sets alongside your regular sets. • Stay on track with automatic rest timers between sets. • Monitor your strength progression and PRs with graphs for every exercise. • Add progress photos, body weight, and measurements to see how your training is paying off. • Follow friends and athletes from around the world, see their workouts in your feed, and compare your lifts. • Stay consistent with monthly, yearly, and multi-year calendars and streak tracking. • Work out offline. Your data syncs across all your devices. • Automatically sync your workouts to Strava for hybrid training. APPLE WATCH • Log sets, start rest timers, and finish your workout without touching your phone. • Monitor your heart rate during your workout. • Add Hevy complications to your watch face. • Workouts save automatically when your watch reconnects to your phone. Hevy uses HealthKit and CareKit to export your workouts to the Health app. You can turn this on in Settings. WHAT OTHERS ARE SAYING "Hevy blends workout tracking with social motivation, making it a top pick if you thrive on accountability and community support." Men's Journal "By far my favorite workout tracking app." The Morning Show Podcast "I've experimented with enough strength training apps that I know which ones are out there, and I definitely have a favorite: It's Hevy." Beth Skwarecki, senior health editor, Lifehacker Whether you work out at home or at the gym, want to build muscle or lose fat, train twice a week or every day, Hevy is the last workout tracker you'll ever need. Give it a try. HEVY PRO • Hevy Trainer: a program and ongoing guidance based on your experience, goal, available equipment, and preferences. • Unlimited routines and custom exercises. • Your complete training history. If you choose to purchase Hevy Pro, payment will be charged to your Apple account, and your account will be charged for renewal within 24 hours before the end of the current period. You can manage your subscription and turn off automatic renewal at any time in your Apple account settings. You have the right to withdraw from your initial subscription within 14 days of starting it. If you don't purchase Hevy Pro, you can keep using Hevy for free. Terms & Conditions: https://www.hevyapp.com/app-terms-conditions/ Privacy Policy: https://www.hevyapp.com/privacy-policy/

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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

Expand exercise options and enable user-defined exercises.

Assumption to check: Limited exercise library affecting user customization

Validate with people who use this workflow before building.

Hypothesis 2

Implement social sharing and challenges to enhance engagement.

Assumption to check: Inadequate social features to share progress

Validate with people who use this workflow before building.

Hypothesis 3

Add AI-driven workout recommendations based on user goals.

Assumption to check: Lack of personalized workout plans

Validate with people who use this workflow before building.

Hypothesis 4

Introduce offline data logging for users without internet access.

Assumption to check: No offline capabilities

Validate with people who use this workflow before building.

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
Advanced

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.