Strong

What Strong does

Strong, operated by Strong Fitness Pte. Ltd. (a Singapore-incorporated private limited company), is a consumer mobile application purpose-built for logging strength training and gym workouts. The app is distributed globally across iOS (App Store), Android (Google Play), and Apple Watch, with cloud synchronization that allows users to access their training history across devices. It addresses the pain point of disorganized training tracking by offering a fast, mid-workout-usable logging interface for sets, reps, weights, supersets, custom exercises, warm-up calculations, rest timers, RPE, 1RM estimation, body measurements, and a muscle heat map. Strong is positioned horizontally across both individual lifters — beginners through elite competitive athletes — and prosumer segments including personal trainers and gym owners who use it for client management. Its technology stack centers on native mobile clients with integrations into Apple Health (HealthKit), Google Health Connect, and Siri Shortcuts, supporting CSV export for data portability, with Fathom Analytics and Sentry used for website analytics and bug tracking respectively.

The company's revenue model is a freemium consumer subscription. A free tier provides the core workout-tracking surface indefinitely; "Strong PRO" unlocks advanced analytics such as progress visualization, max 1RM tracking, body fat percentage monitoring, and advanced charts, available on monthly, annual, and lifetime ("Strong PRO Forever") billing cadences processed via Apple/Google in-app purchases. Strong does not disclose pricing tiers in the source data, and 152K+ App Store/Play reviews averaging 4.9 stars, alongside 5M+ registered users across 100+ countries and 30M+ logged workouts, indicate a scaled but predominantly mass-market consumer position. No institutional investors, venture funding, parent company, or acquisition activity are evident in the available data — the entity appears founder-operated and bootstrapped.

Go-to-market is product-led: organic App Store/Play discovery, earned media (features in The Verge, Lifehacker, The Guardian, CNET, Muscle & Fitness, Women's Health, CNBC, and recurring Apple editorial placement), creator reviews on YouTube fitness channels, organic social presence on Twitter, Facebook, Instagram, and an active Reddit community (r/strongapp). Testimonials from high-profile personalities (a Guinness World Record holder, an IFBB Bikini Pro, a powerlifting champion and gym owner, the founder of Gumroad, and "BBC Dad") are deployed as social proof rather than paid endorsements. Distribution is concentrated in the two dominant mobile app marketplaces, with the strong.app website serving an informational and account-management role rather than direct e-commerce.

Name

Strong

Legal name

Strong Fitness PTE. Ltd.

Website

https://strong.app

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Strong is a mobile workout-tracking app for logging strength training, distributed across iOS, Android, and Apple Watch by Singapore-based Strong Fitness Pte. Ltd. It serves individual gym-goers, competitive athletes, personal trainers, and gym owners globally, monetizing via a freemium model with a Strong PRO subscription.

Ownership category

akta.pro rank

Product category

Fitness Tracking Software

NAICS

Fitness and Recreational Sports Centers (71394)

SIC

Sporting & Athletic Goods, Nec (3949)

akta.pro primary industry

Consumer Health Wearables & Fitness Trackers (Wellness Monitoring) (HLAHACAJ)

akta.pro secondary industry

General Personal Training (In-Person & Virtual) (HSADAAAA)

Keywords

• Workout tracking app
• Strength training log
• Gym exercise tracker
• Fitness progress app
• Workout planning tool

GTM type

B2C

Offering type

Software

Cost components

Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations

Revenue model

1. Strong PRO Subscription: Freemium model with a free basic tier and premium Strong PRO subscription. PRO unlocks advanced features including progress visualization, max 1RM tracking, body fat percentage tracking, and advanced charts. Subscriptions available as monthly, yearly, or lifetime 'Strong PRO Forever' membership. Auto-renewal enabled by default with user-managed cancellation.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

Strong provides a mobile workout tracking app that lets users log strength-training exercises, sets, reps, and weights across iPhone, Android, and Apple Watch with cloud synchronization. The app is free to use with core tracking features, and a Strong PRO subscription unlocks advanced analytics such as progress visualization, max 1RM tracking, and body fat percentage monitoring.

Product overview

Strong offers a unified fitness tracking platform consisting of a free core workout tracking app with cloud sync capabilities and a premium PRO subscription for advanced analytics. The core Strong app serves as the primary product, while Strong Cloud enables cross-device data accessibility and Strong PRO unlocks enhanced visualization and progress tracking features.

Differentiator

Problem solved

Functional benefit

Products and services

• Strong Workout Tracker App A workout tracking app and gym log that allows individual users to plan, log, and review strength-training workouts across iOS, Android, and Apple Watch with cloud-synced progress history. Designed for individual gym-goers, fitness enthusiasts, personal trainers, and competitive lifters who need fast in-gym logging of sets, reps, and weights plus long-term progress tracking.
• Strong Cloud A cloud synchronization and data portability service that lets Strong users access their training history across iPhone, Android, and Apple Watch with privacy controls on a per-permission basis and full CSV export of their workout data. Targeted at individual users who want seamless multi-device access and ownership of their training records.

Named customers9 records

Segments4 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

Feature17 records

Partnerships

Three partnerships are on record, tiered core.

• ApplecoreTechnology or IntegrationStrong has a dedicated Apple Watch app and integrates with Apple Health. The app is frequently featured by Apple and supports Sign in with Apple for authentication. Strong PRO features are purchasable through iTunes App Store.
• Google (Android)coreTechnology or IntegrationStrong is available on Google Play Store and integrates with Health Connect (Google's health data platform) for Android users. Strong PRO features are purchasable through Google Play.
• Health Connect (Google)coreTechnology or IntegrationHealth Connect integration allows reading and writing health and fitness data from/to the Health Connect platform according to user permissions. Data is stored locally on device and not uploaded to Strong servers.

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• FitNotes: FitNotes is a free, open-source Android workout tracking app for logging sets, reps, and weights — a stripped-down direct alternative targeting the same strength-training user base as Strong, though limited to Android.
• Hevy: Hevy is a workout tracker and gym log focused on strength training, with social features and a PRO subscription, available on iOS and Android. It is one of the most frequently compared direct alternatives to Strong in the strength-training app category.
• JEFIT: JEFIT is a direct competitor in strength-training workout tracking, offering exercise libraries, workout plans, progress tracking, and a PRO subscription on iOS and Android — directly overlapping with Strong's core functionality and target audience of gym-goers and strength athletes.
• Stronger (Workout Tracker): Stronger is a premium strength-training tracker on iOS with Apple Watch support, focusing on progressive overload and workout planning — directly comparable to Strong in feature set, target user, and pricing model.

Broad incumbents

• MyFitnessPal: MyFitnessPal is a large-scale nutrition and exercise tracking app with a premium subscription and millions of users. It overlaps with Strong in the exercise-logging feature set but is primarily nutrition-led and serves a broader general-fitness audience.
• Google Fit: Google Fit (and the underlying Health Connect platform) is Google's native health and activity tracking offering on Android. It overlaps with Strong in workout logging and integrates with Health Connect — making it both a partner and a platform-level competitive risk on Android.
• Strava: Strava is a much larger fitness tracking platform with a social/community angle, originally focused on endurance sports but expanding into broader workout tracking. Comparable in that it is a subscription-based consumer fitness app with health platform integrations, but with a much broader scope than Strong.
• Apple Fitness+: Apple Fitness+ is Apple's native fitness subscription offering video workouts and integrates with Apple Watch and Apple Health. As a pre-installed, platform-level incumbent, it is a structural competitive and distribution threat to Strong on iOS.

Emerging players

• GymBook: GymBook is an iOS strength-training tracker with Apple Watch support, designed for progressive overload and routine tracking. It is a smaller, niche alternative to Strong targeting the same powerlifter and gym-going audience.
• Workit (Workout Trainer): Workout Trainer by Workit is a fitness coaching app with a library of guided workouts and community features. It overlaps with Strong on the consumer fitness tracking side but is differentiated by an emphasis on coached/programmed content over pure strength logging.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/strongapp
• Facebookfacebook.com/strongapp
• Instagraminstagram.com/strong.app

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Strong