My Jump Lab vs Reaction Light Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
My Jump Lab
This app provides scientifically validated sports performance testing using your device's camera and AI. It measures vertical jump, barbell velocity, and joint range of motion, offering over 30 tests for athletes, coaches, and researchers. Data can be exported for detailed analysis and progress tracking.
- AI-powered real-time analysis
- Vertical jump performance measurement
- Barbell velocity for VBT
- Joint range of motion (ROM) assessment
- Over 30 specialized tests
- iCloud sync and team sharing
- Data export to CSV
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My Jump Lab is the most widely used app for validated sports performance testing, with more than 400,000 downloads in over 140 countries. Coaches, elite athletes, physiotherapists and researchers use it every day, from local clubs to NBA teams. Unlike generic fitness apps, My Jump Lab is scientifically validated: its accuracy has been confirmed in more than 20 peer-reviewed studies. Get lab-grade measurements using only your iPhone or iPad, with no additional hardware. REAL-TIME AI ANALYSIS Using your device's camera and artificial intelligence, My Jump Lab measures in real time: ◉ Vertical jump performance. ◉ Barbell velocity for velocity-based training (VBT). ◉ Joint range of motion (ROM) for mobility assessment. MORE THAN 30 TESTS INCLUDED IN THE SUBSCRIPTION ◉ Jumping: CMJ, SJ, CMJ free arms, DJ, optimal force-velocity profile, RSI-mod, horizontal jump, single-leg asymmetry and 10-5 repeated jump test. ◉ Velocity-based training (VBT): mean concentric velocity, load-velocity profile, 1RM estimation, velocity loss and bar path tracking. ◉ Mobility: ankle dorsiflexion, neck flexion/extension, hip flexion and internal rotation, shoulder flexion and internal rotation, plus a free mode to measure any range of motion and create your own custom tests. ◉ HRV and wellness: heart rate variability measured by simply placing your finger on the camera, plus sleep, fatigue, stress and soreness questionnaires. ◉ Running and sprinting: horizontal force-velocity profile, contact/flight times, duty factor, leg stiffness, asymmetry, pronation/supination, contralateral pelvic drop, linear sprint with splits, curved sprint, horizontal deceleration, Sprint Mechanics Assessment Score (S-MAS), and 5-0-5, 5+5, V-Cut and Illinois change-of-direction tests. ◉ Hamstring strength: Nordic hamstring breakpoint angle and torque. ◉ Force-time curves: real-time raw force-time curves using the accelerometer. ◉ Motion capture: markerless motion capture for advanced movement analysis, with full data export. FEATURES ▶ iCloud sync across all your devices. ▶ Team sharing via iCloud: share a full team with other coaches or staff and work together on the same athletes and tests. ▶ Compare athletes to benchmark performance across your team. ▶ Home Screen widgets to track your athletes' progress at a glance. ▶ Import videos recorded by your athletes or patients. Ideal for remote testing. ▶ Unlimited users and tests, with a full history to track progress. ▶ Export to CSV, ideal for research. ▶ Universal app: one subscription for iPhone, iPad and Mac. Note: My Jump Lab works best with slow-motion video. Motion capture requires an A12 chip or later (iPhone XR, iPad Pro 2018 or newer). Team sharing requires iOS 17 or macOS 14 or later. SUBSCRIPTION Monthly and annual plans include a 7-day free trial. After the trial, a monthly, annual or lifetime purchase is required to access all tests and features. What does the subscription include? Full access to all tests in My Jump Lab, plus all current and future features. When will I be charged? When the 7-day free trial ends, the plan you chose will be charged to your Apple Account. PRIVACY POLICY AND TERMS OF USE Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: My Jump Lab does not collect, store or share any of your personal data. Visit www.myjumplabpro.com/#privacy for more details. My Jump Lab is a sports performance assessment tool. It is not a medical device and does not provide any diagnostic tools.
Reaction Light Trainer
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Reaction Light Trainer turns the phones you already own into a full reaction-light system — the kind of setup coaches pay hundreds for, free. Lights flash in random, unpredictable colors and positions; you react and hit them as fast as you can. Because the cue is unplanned, you train true REACTIVE agility, reaction time, reflexes and hand-eye coordination — not a memorized pattern. That's the difference between reaction lights and cones or ladders, and why athletes use them. KEY FEATURES - Multi-device stations: link several phones (and Apple Watch) over Wi-Fi and spread them out as reaction pods — build lines, boxes, arcs and circuits for a whole squad. Any device hosts and starts. - Solo drills on a single phone: 30s challenge, multi-light, color go/no-go, footwork. - Go / no-go: tap only the right color to train decision speed and impulse control. - Adaptive difficulty: the deadline tightens as you get faster, keeping you at your limit. - Rounds & rest, like real interval / SAQ training. - Live stats & competition: reaction time, hits, misses, accuracy, fastest/average, per-player results and head-to-head racing. BUILT FOR - Speed, agility & quickness (SAQ), reactive agility, change of direction - Soccer & goalkeepers, basketball, tennis, badminton, table tennis, hockey, volleyball - Boxing, MMA & martial arts — hand speed and defensive reflexes - Rehab & return-to-play, balance, proprioception and sports vision - Team & youth coaching, PE classes, group fitness, and cognitive / brain training A flexible, affordable alternative to expensive reaction-light pods — using the devices you already have. Free to download. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://scoreboard.100for1.com/reactionlight/privacy/
Screenshots
Verdict
The clearest difference is ads: My Jump Lab at none against Reaction Light Trainer's shown. Reaction Light Trainer's advantage is update cadence (every 2 weeks vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. My Jump Lab sells 3 in-app purchases, starting at $5.99 per month and Reaction Light Trainer sells 2 in-app purchases, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.
My Jump Lab ships an update every 3 weeks, Reaction Light Trainer every 2 weeks. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.
| Parameter | My Jump Lab | Reaction Light Trainer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (255 ratings) — better | — |
| Positive reviews | 59.0% of reviews | — |
| Number of ratings | 255 — better | — |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 90 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlos Balsalobre | zhenyu song |
Bugs and requests
My Jump Lab
Reported bugs
14 issues- App crashes during complete test (3rd-4th attempt)
- CMJ automatic AI detection fails repeatedly
- Camera not activating in real-time recording
- Force-velocity profile graph not displaying
- Velocity measurements inconsistent between real-time and graph
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- Frame-by-frame playback stuttering on high fps videos
- App closes unexpectedly during velocity-based training
- MyRoom feature won't open
- App crashes after recent updates
- Subscription access not restored after reinstall
- Lifetime purchase access not recognized
- Horizontal jump detection inconsistent
- Countermovement jump height readings inaccurate
- Pull-up exercise detection failure
Requested features
11 requests- More comprehensive video tutorials
- Desktop app synchronization
- MySprint integration
- PDF export of assessment reports
- Additional exercise templates for encoder
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- Manual frame-by-frame analysis mode
- Better ROM (Range of Motion) guidance
- Debit card payment option
- Improved angle and measurement tools
- Default v1RM reset functionality
- Video upload from gallery for angle drawing
Reaction Light Trainer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
My Jump Lab
- Premium- 1 month7 Days trial$5.991 Month
- Premium - 1 year7 Days trial$39.991 Year
- Premium - Lifetime$105.99
Reaction Light Trainer
- Remove Ads (Yearly)$2.991 Year
- Remove Ads$6.99
Questions
Is My Jump Lab free?
Is Reaction Light Trainer free?
Do My Jump Lab or Reaction Light Trainer have ads?
Which is updated more often, My Jump Lab or Reaction Light Trainer?
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