Best The SIX alternatives: apps like The SIX

10+ similar apps compared and reviewed

4.6 avg rating
10 free apps
Updated November 2026
The SIX
The SIX
Archon Combine Limited

Looking for something like The SIX? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to The SIX

ROXFIT#1

ROXFIT by ROXFIT Limited

Compete better
Editor's Choice
💪 Health & Fitness
4.8(4.5K ratings)
FreeIn-App Purchases
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This app is a comprehensive training platform for hybrid athletes, offering AI-powered workout creation, community features, and advanced tools for race preparation and performance tracking. It supports Hyrox, CrossFit, marathons, and obstacle course racing.

3.3😞(77 ratings)
FreeIn-App Purchases
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This app connects clients with their online coaches. Coaches can manage clients, update plans, and communicate directly. Clients can log workouts, track nutrition, and message their coach.

What We Love

  • 👍 User-friendly interface for clients
  • 🎯 All-in-one coaching platform (workouts, nutrition, messaging)
  • 📊 Customizable workout programming
  • 💬 Easy coach-client communication
  • 🔄 Regular updates and improvements
  • 📱 Progress tracking and photo comparisons
  • ⏱️ Weekly check-in features
  • 🏋️ Comprehensive workout logging

Room to Improve

  • 🐛 Frequent crashes and freezes
  • 🐛 Persistent bugs despite updates
  • ❌ Poor Apple Health integration (doesn't sync weight/workouts)
  • ❌ Unreliable data persistence (lost workout data)
  • ❌ Inaccurate nutrition database
  • ❌ Slow app performance and loading
  • ❌ Clunky user interface
  • ❌ Exercise swapping feature broken
  • ❌ No MyFitnessPal integration
  • ❌ Inadequate customer support
  • 💳 Billing issues and difficult cancellation
  • ❌ Data loss when switching between apps
  • ❌ Notification spam
  • ❌ No smartwatch integration
  • ❌ Messages auto-delete after 30 days
pliability: Stretch & Mobility#3

pliability: Stretch & Mobility by pliability, LLC

Flexibility, Recovery & Relief
Worth Considering
💪 Health & Fitness
4.8😐(10K ratings)
FreeAdsIn-App Purchases
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Improve flexibility, recover faster, and move better with guided routines designed for athletes and everyday users. Access over 1,700 routines, personalized recommendations, and track your progress with on-device mobility assessments. Train anywhere with offline capabilities and integrations with popular health trackers.

What We Love

  • 🌟 Life-changing for mobility and recovery
  • 👍 Consistent daily routines
  • 🧘‍♀️ Meditative and calming experience
  • 🏋️‍♀️ Effective for athletes and active individuals
  • 🔍 Detailed mobility assessment

Room to Improve

  • 🐛 Buggy app with frequent crashes and glitches
  • 💰 Expensive subscription
  • 🔇 Intrusive and repetitive voiceover
  • 🤔 Lack of customization options
  • 📚 Repetitive and limited exercise selection

More apps like The SIX

4
Setgraph: Gym Workout Tracker
Setgraph: Gym Workout Tracker
Setgraph: Gym Workout Tracker
Weight Lifting Strength Log
Free

This app helps users plan and track their weightlifting workouts, focusing on progressive overload and personalized strength training. It offers fast logging, detailed analytics, and customization options to help users achieve their fitness goals.

Fast and simple workout loggingPersonalized workout plansPowerful exercise organization
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5
Motra AI Workout Fitness Coach
Motra AI Workout Fitness Coach
Motra AI Workout Fitness Coach
Watch Gym Strength Training
Free

This app automatically tracks your gym strength training exercises using only your Apple Watch's motion. It offers AI-generated personalized workouts based on your recovery and goals, eliminating manual logging.

Automatic exercise tracking with Apple Watch motionTracks over 470 exercise types hands-freeAI-generated personalized workout plans
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6
Runna: Running Plans & Coach
Runna: Running Plans & Coach
Runna: Running Plans & Coach
5k to Marathon Training
Free

This app provides personalized running training plans for all levels, from beginner 5k to marathon and ultra-marathon distances. It offers holistic support including strength training, nutrition advice, and injury management, alongside a vibrant community and exclusive member perks.

Customized training plansSeamless run syncingHolistic running support
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7
Lyfta: Gym & Workout Tracker
Lyfta: Gym & Workout Tracker
Lyfta: Gym & Workout Tracker
Strength Training Planner
Free

This app helps you track your gym workouts, build custom routines, and monitor your strength progress. It offers a vast exercise library with video guides and social features to connect with friends. Enhance your training with advanced insights and expert programs through an optional premium subscription.

Log sets, reps, weight, RPE, and notesOrganize supersets, warm-ups, and drop setsAutomatic rest timers between sets
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8
Stronger - Gym Workout Planner
Stronger - Gym Workout Planner
Stronger - Gym Workout Planner
Weight Lifting & Exercise Log
Free

This app helps serious lifters plan and track their workouts with AI coaching and community features. Log sets, reps, and weights, and monitor progress with powerful analytics to achieve your fitness goals.

AI-optimized workout plannerAdvanced exercise trackerCustomizable workout routines
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9
Boostcamp: Workout Tracker
Boostcamp: Workout Tracker
Boostcamp: Workout Tracker
Gym & Strength Training Plans
Free

This app offers a vast library of structured strength training and muscle-building programs, including popular routines like nSuns and Reddit PPL. It provides tools for tracking workouts, monitoring progress, and even building custom plans. The app is designed to eliminate guesswork and provide proven methods for achieving fitness goals.

130+ expert-designed programs10,000+ community-shared routinesFull workout logging with RPE/1RM
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10
Polar Flow
Polar Flow
Polar Flow
Sync & Analyze
Free

This app helps you track daily activity, analyze workouts with detailed metrics, and gain insights into sleep patterns and recovery. It allows for device management, route planning, and seamless syncing with other popular fitness platforms.

Activity TrackingTraining AnalysisSleep Insights
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(50K)
free with in-app purchases