Comparison

Yogger vs Serenity Engine

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Yogger

Analyze any movement with video capture. Get detailed biomechanical data, track progress, and provide feedback for coaching, fitness, or physical therapy. Create custom reports and assessments.

Highlights
  • Video playback with automatic joint tracking
  • Instant biomechanical data
  • Progress tracking
  • Virtual movement assessments
  • Generate and export reports
  • Slow-motion and frame-by-frame analysis
Features
Read full description

Yogger measures human movement from video. Record a movement or upload an existing video to calculate joint angles, range of motion, movement quality, and standardized movement assessments using only a mobile device. Whether you're a physical therapist, chiropractor, athletic trainer, sports medicine professional, strength coach, personal trainer, or performance coach, Yogger helps you objectively measure movement, improve technique, monitor rehabilitation progress, and communicate results with clients. PROFESSIONAL MOVEMENT ANALYSIS Record or upload a video and instantly perform markerless 3D motion analysis using your mobile device. Measure: - Joint angles - Range of motion (ROM) - Joint paths - Movement symmetry - Biomechanical performance - Functional movement quality Review movement frame-by-frame or in slow motion while tracking body landmarks automatically. RANGE OF MOTION MEASUREMENT Instantly calculate objective range of motion from video, including: - Shoulder Flexion, Extension, Abduction, Adduction, Internal & External Rotation - Hip Flexion, Extension, Abduction, Adduction, Internal & External Rotation - Knee Flexion & Extension - Elbow Flexion & Extension - Ankle Dorsiflexion & Plantarflexion - Neck Mobility - Trunk Rotation & Flexion Ideal for rehabilitation, return-to-play testing, mobility assessments, and sports performance. AUTOMATED MOVEMENT ASSESSMENTS Complete movement screenings in minutes using only your phone. Assessments include: - Overhead Squat - Single Leg Squat - Lunge - Posture Assessment - Neck Mobility - Shoulder Mobility - Hip Mobility - Trunk Mobility Perfect for establishing baselines, tracking progress, and identifying movement limitations. VIDEO ANALYSIS TOOLS Coach movement with powerful analysis features including: - Automatic joint tracking - Frame-by-frame playback - Slow motion review - Side-by-side video comparison - Drawing and annotation tools - Voice-over feedback - Joint path visualization - Instant measurement overlays Whether you're analyzing running, lifting, throwing, jumping, golf, baseball, CrossFit, or rehabilitation exercises, Yogger provides objective data to support better decisions. TRACK PROGRESS Monitor changes over time by saving: - Movement assessments - Range of motion measurements - Video analyses - Progress notes - Photos - Historical reports Visualize improvements and compare sessions to measure recovery and performance gains. PROFESSIONAL REPORTS Generate polished PDF reports that include: - Assessment scores - Range of motion measurements - Images - Movement summaries - Progress tracking - Clinical notes Share reports with athletes, patients, clients, physicians, or other healthcare providers. BUILT FOR - Physical Therapists - Chiropractors - Athletic Trainers - Sports Medicine Clinics - Occupational Therapists - Strength & Conditioning Coaches - Personal Trainers - Performance Coaches - Running Coaches - Fitness Professionals - Athletes Yogger makes professional-quality movement analysis accessible from any smartphone. Whether you're improving athletic performance, tracking rehabilitation, performing movement screenings, or measuring range of motion, Yogger delivers fast, objective movement analysis wherever you work. Terms of Service: https://app.yogger.io/policies/terms-of-use Privacy Policy: https://app.yogger.io/policies/privacy-policy

About

Serenity Engine

Create immersive ambient soundscapes for focus, relaxation, and sleep. Features curated sound presets, binaural beats for brainwave tuning, and a gentle sleep timer. Enjoy a beautiful visualizer and a distraction-free, ad-free interface.

Highlights
  • Curated ambient soundscapes
  • Binaural beats for brainwave tuning
  • Focus, Relax, and Sleep modes
  • Customizable sleep timer
  • Real-time audio visualizer
  • Minimalist, ad-free interface
Read full description

Serenity creates immersive ambient soundscapes to help you focus, relax, and sleep better. Curated Soundscapes Choose from carefully designed presets combining nature sounds, gentle noise, atmospheric drones, and binaural beats. Each soundscape is crafted to create the perfect atmosphere for work, meditation, or rest. Binaural Beats Tune your brainwaves with scientifically-inspired binaural frequencies: - Focus mode (10 Hz Alpha) for concentration - Relax mode (6 Hz Theta) for meditation - Sleep mode (2 Hz Delta) for deep rest Sleep Timer Set a timer and drift off peacefully. Serenity fades out gently so you wake up refreshed. Beautiful Visualizer Watch mesmerizing particle animations that respond to the audio in real-time. Perfect for winding down or creating ambiance. Simple & Calm A minimal interface that respects your attention. No ads, no distractions—just calm.

Screenshots

Yogger4 screens
Serenity Engine4 screens

Verdict

The call

The clearest difference is in-app purchases: Serenity Engine at none against Yogger's 25. Serenity Engine also leads on rating (5.0 vs 4.7). Yogger's advantage is ratings volume (130 vs 1) and iOS requirement (15.5 vs 17.0). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Yogger sells 25 in-app purchases, starting at $4.99 per month. Serenity Engine asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Serenity Engine holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Yogger has 130 ratings behind it against 1, so its average is the more settled of the two.

Scorecard5 real differences · 5 level
Yogger versus Serenity Engine: the parameters behind the verdict, then further details
ParameterYoggerSerenity Engine
PriceFreeFree
Rating4.7 (130 ratings)5.0 (1 ratings) — better
Positive reviews73.5% of reviews—
Number of ratings130 — better1
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.5 — better17.0
Further details — not scored
Size173 MB120 MB
Age rating12+4+
DeveloperYogger CorporationANDREW BRODIE LANDRY

Customer experience

Yogger

All ratings130 ratings
Positive91.5%
Neutral2.3%
Negative6.2%
Written reviews83 reviews
Positive73.5%
Neutral3.6%
Negative22.9%

Serenity Engine

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Yogger

Reported bugs

31 issues
  • App crashes frequently
  • App refuses to open properly
  • App goes back to new registration during training
  • App starts crashing after uploading video
  • App restarts during measurement protocol
Show 26 more
  • App closes when returning from analysis to video
  • App doesn't load videos
  • Video playback is jumpy
  • App crashes on startup
  • App not opening on iPhone 13
  • Imported video is blurry and glitchy
  • Cannot purchase the app on iPhone 8
  • App doesn't work without internet connection
  • Cannot change frame rate beyond 30 fps
  • Subscription page shows 'Current Plan: None' but charges user
  • No response from support
  • Cannot cancel subscription
  • App not functioning
  • Cannot test without paying
  • Video is cut out on the sides during upload
  • Play/speed buttons in the middle of exported video
  • App is too expensive for minimal features
  • App destroys video quality
  • App seems to be in beta
  • UI/UX issues
  • App crashes a lot
  • App doesn't work
  • Cannot login without internet
  • App not working correctly
  • App not loading videos
  • Video going in jumps, not continuous

Requested features

16 requests
  • Export video without screen recording
  • API access
  • Lower body assessments
  • Hand and wrist assessments
  • Notifications when someone submits a video
Show 11 more
  • More athlete-specific measurements (e.g., vertical jump)
  • Ability to adjust recording frame rate beyond 30 fps
  • Add tools like angular velocity and stopwatch
  • More free options
  • Dark mode option
  • Ability to remove play/speed buttons during export
  • Improve video quality during export
  • Option to work with photos from library
  • Option to work with videos from library
  • More advanced analytics dashboard
  • Offline functionality

Serenity Engine

Not enough reviews yet to summarise bugs or requests.

In-app purchases

25 purchases

Yogger

Subscriptions24
  • Pro Monthly Subscription$4.991 Month
  • Basic Monthly$4.991 Month
  • Basic Monthly3 Days trial$9.991 Month
Show 21 more
  • Pro Monthly Subscription7 Days trial$11.991 Month
  • Basic Monthly3 Days trial$14.991 Month
  • Pro Monthly7 Days trial$19.991 Month
  • Yogger Teams Subscription14 Days trial$23.991 Month
  • Yogger Teams Subscription14 Days trial$29.991 Month
  • Pro Yearly Subscription$39.991 Year
  • Assessments Monthly14 Days trial$44.991 Month
  • Pro Yearly Subscription$49.991 Year
  • Basic Annual$49.991 Year
  • Premium Monthly14 Days trial$49.991 Month
  • Basic Annual3 Days trial$69.991 Year
  • Professional Monthly7 Days trial$74.991 Month
  • Pro Yearly Subscription7 Days trial$99.991 Year
  • Basic Annual3 Days trial$99.991 Year
  • Basic Annual3 Days trial$119.991 Year
  • Basic Annual$149.991 Year
  • Pro Annual7 Days trial$169.991 Year
  • Yogger Teams Subscription14 Days trial$239.991 Year
  • Yogger Teams Subscription14 Days trial$299.991 Year
  • Assessments Annual14 Days trial$449.991 Year
  • Premium Annual14 Days trial$499.991 Year
One-time1
  • Lifetime Video Analysis$59.99
None

Serenity Engine

No in-app purchases

Questions

Is Yogger free?
Yogger is free to download, with in-app purchases available.
Is Serenity Engine free?
Serenity Engine is free to download, with no in-app purchases.
Which has better reviews, Yogger or Serenity Engine?
Serenity Engine is rated higher. Yogger averages 4.7 out of 5 from 130 ratings, while Serenity Engine averages 5.0 from 1 ratings.
Do Yogger or Serenity Engine have ads?
Neither Yogger nor Serenity Engine shows ads.

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