App Overview

GymGoal Pro icon

GymGoal Pro

Maryna Kolokolkina · Health & Fitness

Praised by pros and trainers as the most capable and flexible workout planner and tracker.

$8.99 · In-app purchases

PRICE
$8.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.7
1,138 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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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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Combine features and design from your favorite apps.

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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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Free quick prompt For a smaller starting point

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 GymGoal Pro: 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 a more streamlined navigation flow with fewer tabs.

Assumption to check: Users struggle with complex navigation due to too many features.

Validate with people who use this workflow before building.

Hypothesis 2

Integrate with a comprehensive food database API for better nutrition logging.

Assumption to check: Limited food database for nutrition tracking.

Validate with people who use this workflow before building.

Hypothesis 3

Add quick log features and templates for popular workouts.

Assumption to check: Some users find the workout logging process cumbersome.

Validate with people who use this workflow before building.

Hypothesis 4

Incorporate social features like challenges and user sharing.

Assumption to check: Lack of community features for social engagement.

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

Praised by pros and trainers as the most capable and flexible workout planner and tracker. • The only app that can handle any routine and workout. • Organizes your workouts and helps you reach your goals in strength, muscle size or weight loss. It will empower you with knowledge and revolutionize your workouts. • Featured in The New York Times, Consumer Reports, The Daily. FEATURES (Everything is included immediately. No additional purchases) • 390 exercises with animations and step by step instructions. You can add your own exercises. • Text, pictures, animated GIFs and youtube clips can be attached to any exercise. • 67 workout routines. You can add your own routines. • Flexible tracking system for strength, cardio, plyometrics, stretching workouts, circuit training, Tabata or any other workout type. Supports supersets, freeform notes and much more. Workout history is fully editable. • The workout logging screen is optimized for fast data entry, but remains feature-rich. You can copy data from the history, add new exercises, images and videos without interrupting your workout. • Bodyweight and assisted-weight exercises automatically account for your body weight. • Timers for exercise duration, rests, circuits. • GymGoal calculates your One Rep Max for every exercise. • Workout history by muscle shows muscles that you neglect. • Weekly and rotating schedules support up to 4 workout sessions a day. • Heart rate monitoring with Apple Watch or a Bluetooth 4 device. While working out: graph, max/average, warning when heart rate leaves the target zone. In the workout history: heart rate graphs, stats. • GPS tracking. Interactive map during the workout. Trail, distance and speed recording. Maps saved to the workout history. Distance, time, speed shown for any trail part. • Body measurements tracking plus additional custom trackers. • The best in class Body Fat tracking module includes calculators, several skinfolds (calipers) methods, direct entry. • One-rep Max, BMI, BMR, TDEE, Target Heart Rate calculators and progress tracking. • Apple Watch support - workout logging, heart rate, timers. • Integration with the Health app: two-way syncing of BMI, BMR, Body Fat, weight and height, export of workout data, including burned calories. • Two-way syncing with RunKeeper and MapMyFitness - both cardio and strength workouts. • You don't need an Internet connection - everything is stored on your device. • Ability to back up your data to the server (free), or to email it. You can copy your data between iPhones and other supported devices. • Workout logs, measurements, routines and the schedule can be emailed for review and printing. Workout logs can be opened in Excel. • Up to 50 user accounts. YOU CAN DEPEND ON GYMGOAL • GymGoal is in AppStore since 2008. It is used by over a million people, from beginners to pro athletes and trainers, and even in schools. • Many people have 9 years of detailed workout history in GymGoal. Years of history do not slow GymGoal down. • Updates will not lose your routines, schedule or workout history. Even if your iPhone breaks, you will be able to restore your data from the server backup.

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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
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.