rectify vs Formetric
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
rectify
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With rectify, you can effortlessly track your posture and boost your back health throughout the day. The smart sensor shirt precisely maps the shape and movement of your spine, sending real-time data to the app. Whenever you start to slouch or move out of alignment, a gentle vibration reminds you to rectify your posture and movements. The app then gives you detailed insights into your mobility, sitting habits, and posture patterns. Based on your data, rectify recommends targeted exercises to keep your back strong and pain-free. And for a bit of fun: compare your stats with friends or colleagues. Whoβs got the best posture?
Formetric
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App Store Description Formetric β AI-Powered Posture Analysis & Heart Rate Monitor Transform your smartphone into a personal health companion. Formetric uses cutting-edge artificial intelligence and your phone's camera to analyze your posture and measure your heart rateβno additional devices required. KEY FEATURES AI Posture Analysis Real-time pose detection powered by Google ML Kit Instant feedback on your body alignment Track and improve your posture over time Voice-guided corrections for better form Β Camera-Based Heart Rate Monitoring Measure your heart rate using just your finger and camera PPG (Photoplethysmography) technology with FFT signal processing Real-time heart rate visualization No wearables or external sensors needed Workout Support Voice-guided workout sessions Real-time posture feedback during exercises Progress tracking and history Health Insights Generate PDF health reports Share your progress with trainers or doctors Cloud sync with Supabase for data backup Smart Notifications Stay on track with personalized reminders Never miss your health check-ins Secure & Private Sign in with Apple or Google Your health data stays private
Screenshots
Verdict
The clearest difference is in-app purchases: Formetric at none against rectify's 1. Formetric also leads on ads (none vs shown). rectify's advantage is device support (4 vs 1) and iOS requirement (15.6 vs 17.0). On price and update cadence there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. rectify sells 1 in-app purchase, starting at $4.99 per month. Formetric asks for nothing beyond the download.
rectify ships an update every 3 days, Formetric every 2 days. The most recent releases landed on October 1, 2026 and September 14, 2026 respectively.
| Parameter | rectify | Formetric |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | Every 2 days β better |
| Ads | Yes | No β better |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod, Apple Watch β better | iPhone |
| Requires iOS | 15.6 β better | 17.0 |
| Further details β not scored | ||
| Size | 189 MB | 68 MB |
| Age rating | 12+ | 4+ |
| Developer | MinkTec GmbH | Mustafa Kazi |
In-app purchases
rectify
- AirPods Head Tracking$4.991 Month
Formetric
No in-app purchases









