Best ReactionX alternatives: apps like ReactionX

10+ similar apps compared and reviewed

4.1 avg rating
10 free apps
Updated October 2026

Whether you want more options like ReactionX or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to ReactionX

SwitchedOn - Reaction Training#1

SwitchedOn - Reaction Training by SwitchedOn LLC

Train Reaction Time & Agility
4.8😊(329 ratings)
FreeIn-App Purchases
SwitchedOn - Reaction Training screenshot 1
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SwitchedOn - Reaction Training screenshot 5
SwitchedOn - Reaction Training screenshot 6

Enhance reaction time, agility, and decision-making with interactive cognitive-motor training drills. This app uses AI motion detection and customizable exercises to improve athletic performance, support rehabilitation, and boost overall fitness.

What We Love

  • 🚀 Excellent for reaction training
  • 👍 Easy to use and create custom training
  • 🚀 Versatile for all sports and ages
  • 👍 Engaging and fun training experience
  • 🚀 Improves cognitive skills and decision making
  • 👍 Helpful for rehabilitation and physical therapy
  • 🚀 Elevates athletic performance and consistency

Room to Improve

  • 🐛 Issues with the Sessions tab and navigation
  • 🔒 Lack of ability to cancel subscription
My Jump Lab (My Jump 3)#3

My Jump Lab (My Jump 3) by Carlos Balsalobre

Test your physical performance
Worth Considering
💪 Health & Fitness
4.6😐(250 ratings)
FreeIn-App Purchases
My Jump Lab (My Jump 3) screenshot 1
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My Jump Lab (My Jump 3) screenshot 6

This app scientifically measures athletic performance using your device's camera and sensors. It offers over 30 validated tests for jumping, strength, sprinting, and more, providing lab-grade accuracy without extra hardware. Ideal for coaches, athletes, and researchers to track progress and analyze performance.

What We Love

  • ✅ Scientifically validated measurements
  • 📊 Comprehensive testing capabilities (CMJ, SJ, VBT, etc.)
  • 💪 Excellent for athletes, coaches, and sports scientists
  • 🎯 Accurate vertical jump and performance tracking
  • 📱 User-friendly and intuitive interface
  • 🔬 Portable lab functionality
  • 💰 Affordable compared to traditional equipment
  • ⚡ Responsive customer support
  • 🎓 Valuable for educational and professional use
  • 📈 Reliable progress tracking

Room to Improve

  • 🐛 Frequent app crashes during tests
  • 📹 Camera detection issues with exercises
  • ❌ Inconsistent measurement accuracy
  • 🔄 Synchronization problems between devices
  • ⚠️ Limited free trial functionality
  • 💳 Misleading 'free' app with paywall
  • 📚 Inadequate tutorials and documentation
  • 🎥 Frame-by-frame playback issues
  • 🔌 Subscription issues and billing problems
  • 🚫 App won't open after updates
  • ⏱️ Automatic pause feature causes crashes
  • 🎬 Video upload limitations

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4
Metric - Strength Training
Metric - Strength Training
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Barbell velocity & workout log
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This app revolutionizes strength training by offering advanced velocity-based tracking using your phone's camera, eliminating the need for expensive hardware. It provides detailed insights into fatigue, recovery, and progression, helping users maximize gains and prevent injuries.

Smart velocity tracking with cameraAdvanced video analysis of liftsComprehensive workout logging
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Physiotherapy Assessment Tool
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This platform guides physiotherapists through assessments to identify injury risks in athletes and active individuals. It aids in injury prevention, post-rehabilitation tracking, and helps athletes return to play safely and improve performance.

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6
Reaction Timer Training
Reaction Timer Training
Reaction Timer Training
Reaction Training made simple!
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Enhance your cognitive and physical performance with this reaction training app. Improve reaction time, decision-making, and coordination using customizable drills and Apple Watch integration. Track progress and sync data with the Health app.

Improve reaction timeEnhance decision timeDevelop peripheral vision
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Polar Team
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Indoor Team Sports Coach
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This app helps coaches monitor individual player effort in real-time during indoor team sports. It provides objective performance data after training sessions, allowing for personalized coaching and future session planning. Share detailed reports with players and staff to optimize team performance.

Real-time heart rate monitoringIndividual and team coaching guidancePlayer performance comparison
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KINVENT
KINVENT
KINVENT
Measure, Move, Progress
Free

This app empowers health and sports professionals to precisely track motion, force, and recovery. It offers real-time biofeedback, over 100 guided protocols, and personalized patient profiles with comprehensive reporting. Works offline with local data storage and optional cloud syncing.

Real-time biofeedback with visualizationsOver 100 guided protocolsPersonalized patient profiles
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ActivForce: Digital Testing
ActivForce: Digital Testing
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Precise Strength & ROM Tests
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This app syncs with a handheld device to provide real-time data for strength and range of motion testing. It helps practitioners optimize client care and recovery with accurate, data-driven insights and customizable testing sequences.

Real-time strength and ROM data visualizationCustomizable test sequencesDetailed data modeling and analysis
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BlazePod
BlazePod
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Flash Reflex Training
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This app controls smart training pods to provide visual cues for athletic training. It helps improve speed, agility, and reaction times through customizable drills and real-time progress tracking. Users can choose from pre-set activities or create their own to push their limits.

Flash reflex training systemVisual cue and prompt generationCustomizable activity creation
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