Comparison

Re vs Joint Angle Measurement

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

Head to head
About

Re

This app offers a data-driven approach to managing stress and anxiety, utilizing haptic feedback and AI analysis to provide personalized interventions. It focuses on efficacy and speed, stripping away gamification for a more direct tool to regulate your nervous system.

Highlights
  • Haptic-first grounding exercises
  • Context-aware AI stress analyst
  • Correlative habit insights
  • Live efficacy data visualization
  • One-tap access to relief
Features
Read full description

Stress and Anxiety isn't a "journey." It's a physiological state that requires regulation. Most mental health apps treat you like a child. They offer cartoons, "streaks," and generic platitudes. Calibrate treats you like a complex biological system. We strip away the gamification and the over the top positivity to focus entirely on efficacy, speed, and data. Designed for skeptics and high-functioning professionals, Calibrate combines principles from CBT, ACT, and DBT with the hardware capabilities of your iPhone to provide a "panic button" for your nervous system. CORE FEATURES: Haptic-First Grounding When panic hits, cognitive function drops. Visuals aren't enough. Calibrate utilises the Taptic Engine to provide physical, rhythmic vibration patterns for breathing exercises. Engage your sense of touch to down-regulate your nervous system faster. Context-Aware AI Analyst Your stress has triggers. The Calibrate AI helps you find them. It doesn’t just offer generic advice; it acts as a clinical analyst, reviewing your habit logs and history to suggest precise interventions tailored to your current state. Correlative Habit Insights Stop guessing why you feel so stressed. Log your inputs (caffeine, sleep, work stress) and let Calibrate visualise the correlations. We turn your behavioural data into a clear roadmap for what helps—and hurts—your mental health. Live Efficacy Data Don't waste time on techniques that don't work. Access a live, data-backed view of which interventions are statistically reducing stress for the community right now. WHY CALIBRATE? No Fluff: No mascots, no guilt-tripping notifications, no spiritual woo-woo. Speed: The interface is designed for one-tap access to relief. Privacy First: Your mental health data is yours. Secure and private. You don't need another distraction. You need a tool. Download Calibrate. Disclaimer: Calibrate provides general wellness information only and does not offer medical advice or treatment. It is not a substitute for professional mental health services. Always consult a qualified healthcare professional for personalised advice regarding any health or medical concerns. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://thecalibrate.app/privacy.html

About

Joint Angle Measurement

Features
Read full description

Transform your smartphone into a professional goniometer. Joint Angle Measurement uses advanced pose detection technology to accurately measure joint angles for fitness, physical therapy, and rehabilitation tracking. PERFECT FOR PROFESSIONALS & FITNESS ENTHUSIASTS • Physical Therapists: Track patient progress with precise ROM measurements • Personal Trainers: Assess client flexibility and form • Athletes: Monitor flexibility and prevent injuries • Yoga & Pilates Instructors: Verify proper alignment • Home Rehabilitation: Track your recovery progress HIGH-PRECISION POSE DETECTION Our advanced pose detection technology automatically identifies body joints: • Shoulders, elbows, wrists • Hips, knees, ankles • Spine and neck alignment • Multi-person detection for group assessments KEY FEATURES • Instant Angle Measurement Simply take a photo or select from your library. The app automatically detects body joints and lets you measure any angle with three taps. • Visual Joint Overlay See detected joints and skeleton connections overlaid on your photos. Multiple people are detected and color-coded for easy identification. • Progress Tracking Save measurements with person names, joint labels, and notes. Track flexibility improvements and rehabilitation progress over time. • Professional Documentation Each measurement saves both the original photo and an annotated version showing the measured angle perfect for clinical records or progress reports. • Customizable Display • Adjust point and line colors for better visibility • Toggle grid overlay for alignment reference • Switch between light and dark modes • Fine-tune pose detection sensitivity PREMIUM FEATURES Upgrade to unlock advanced capabilities: • Unlimited Measurements: Save as many assessments as needed • Progress Analytics: Visualize improvement trends over time • Export Reports: Generate professional PDF reports • Cloud Backup: Sync data across devices • Ad-Free Experience: Uninterrupted professional use CLINICAL ACCURACY While not a medical device, our app provides reliable measurements suitable for: • Range of motion (ROM) assessment • Flexibility tracking • Posture analysis • Exercise form verification • Rehabilitation monitoring SIMPLE WORKFLOW 1. Take a photo or select from your library 2. App automatically detects joints 3. Tap three points to define the angle (vertex in the middle) 4. View real-time angle measurement 5. Save with person name, joint label, and notes VERSATILE APPLICATIONS • Sports Medicine: Document injury recovery • Fitness Training: Track flexibility gains • Yoga Practice: Monitor pose progression • Physical Therapy: Create patient records • Ergonomics: Assess workplace posture • Dance & Gymnastics: Perfect technique PRIVACY FOCUSED All measurements and photos are stored securely on your device. No data is uploaded to external servers without your consent. Start measuring joint angles professionally today. Download Joint Angle Measurement and bring precision to your fitness and rehabilitation practice.

Screenshots

Re3 screens
Joint Angle Measurement4 screens

Verdict

The call

The clearest difference is in-app purchases: Re at none against Joint Angle Measurement's 2. Re also leads on iOS requirement (16.0 vs 18.0). Joint Angle Measurement's advantage is update cadence (weekly vs every 3 months). 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. Joint Angle Measurement sells 2 in-app purchases, starting at $2.99 per month. Re asks for nothing beyond the download.

UpkeepUpdate frequency

Re ships an update every 3 months, Joint Angle Measurement weekly. The most recent releases landed on November 9, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 5 level
Re versus Joint Angle Measurement: the parameters behind the verdict, then further details
ParameterReJoint Angle Measurement
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better18.0
Further details — not scored
Size74 MB32 MB
Age rating12+4+
DeveloperCraig Shortryo muranaka

In-app purchases

None

Re

No in-app purchases

2 purchases

Joint Angle Measurement

Subscriptions2
  • subscription3 Days trial$2.991 Month
  • Subscription3 Days trial$19.991 Year

Questions

Is Re free?
Re is free to download, with no in-app purchases.
Is Joint Angle Measurement free?
Joint Angle Measurement is free to download, with in-app purchases available.
Do Re or Joint Angle Measurement have ads?
Neither Re nor Joint Angle Measurement shows ads.
Which is updated more often, Re or Joint Angle Measurement?
Re ships an update every 3 months, and Joint Angle Measurement weekly. Most recently, Re was updated on November 9, 2026 and Joint Angle Measurement on November 8, 2026.

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