Joint Angle Measurement vs IntervalGuide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Joint Angle Measurement
Read full descriptionHide 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.
IntervalGuide
Read full descriptionHide full description
Your workout. Your rules. IntervalGuide is a fully customizable interval timer for HIIT, Tabata, boxing, and circuit training - built to work exactly the way you train. Design your interval workout block by block: set work and rest periods, add rounds, choose audio cues, and train in the right heart rate zone. Shake your iPhone to pause or resume - no need to touch the screen mid-round. Whether you're doing HIIT, boxing rounds, kettlebells, running intervals, or strength-training rest periods, IntervalGuide adapts to your routine, not the other way around. HANDS-FREE CONTROL Shake your iPhone to pause or resume - no need to remove your gloves, stop your set, or fumble with your screen. Perfect for boxing, kettlebells, winter runs, or any workout where touching your phone isn't an option. FULLY CUSTOMIZABLE TIMERS Build workouts your way: - Create unlimited interval blocks with custom durations - Set work, rest, and preparation phases - Add rounds and repeats to any block - Assign colors to visually distinguish each phase - Save and reuse your favorite workouts REAL-TIME HEART RATE Connect your heart rate monitor and train in the right zone: - Polar sensors supported out of the box - Generic Bluetooth Low Energy (BLE) heart rate devices - Live HR display during workouts - Customizable heart rate zones - Apple Health integration AUDIO & HAPTIC CUES Stay focused without watching your screen: - Voice announcements for phase changes - Boxing bell and other sound effects - Vibration alerts to keep you on track - Works with headphones and AirPods APPLE WATCH COMPANION Control your workout from your wrist: - Start, pause, and stop from your Apple Watch - See timer and heart rate at a glance - Full data sync between iPhone and watch WORKOUT HISTORY Track your progress over time: - Automatic session logging - Review past workouts with full details - Heart rate data for every session - Apple Health sync BUILT FOR REAL TRAINING No bloat, no social features, no accounts required. Just a powerful, reliable interval timer that runs in the foreground and never quits on you mid-workout. Works great for: - Boxing & MMA rounds - HIIT & Tabata - Strength training rest periods - Yoga & stretching flows - Running intervals - CrossFit-style WODs - Physical therapy exercises Download IntervalGuide and build the interval timer that fits your training - not someone else's. SUBSCRIPTION IntervalGuide Premium removes all ads, unlocks your full workout history with detailed session stats and HR charts, and lets you export sessions as CSV, Excel, JSON or Text. - IntervalGuide Premium: auto-renewing monthly subscription - Free for the first week for new subscribers, then the price shown in the app - Payment is charged to your Apple Account at confirmation of purchase - Renews automatically unless cancelled at least 24 hours before the end of the current period - Manage or cancel anytime in your Apple Account settings Terms of Use (EULA): https://tremia.app/apps/interval-guide/terms-of-service Privacy Policy: https://tremia.app/apps/interval-guide/privacy-policy
Screenshots
Verdict
The clearest difference is ads: Joint Angle Measurement at none against IntervalGuide's shown. IntervalGuide's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence, in-app purchases 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
Both are free to download. Joint Angle Measurement sells 2 in-app purchases, starting at $2.99 per month and IntervalGuide sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Joint Angle Measurement ships an update every 2 weeks, IntervalGuide every 11 days. The most recent releases landed on September 30, 2026 and September 10, 2026 respectively.
| Parameter | Joint Angle Measurement | IntervalGuide |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 11 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | ryo muranaka | Amir Tairi |
In-app purchases
Joint Angle Measurement
- subscription3 Days trial$2.991 Month
- Subscription3 Days trial$19.991 Year
IntervalGuide
- IntervalGuide Premium7 Days trial$2.991 Month
Questions
Is Joint Angle Measurement free?
Is IntervalGuide free?
Do Joint Angle Measurement or IntervalGuide have ads?
Which is updated more often, Joint Angle Measurement or IntervalGuide?
Other comparisons















