Comparison

rectify vs Formetric

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

Head to head
About

rectify

Features
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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. Who’s got the best posture?

About

Formetric

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App Store Description Formetric – 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 rateβ€”no 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

rectify4 screens
Formetric4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. rectify sells 1 in-app purchase, starting at $4.99 per month. Formetric asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard4 real differences Β· 2 level
rectify versus Formetric: the parameters behind the verdict, then further details
ParameterrectifyFormetric
PriceFreeFree
Update frequencyEvery 3 daysEvery 2 days β€” better
AdsYesNo β€” better
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPod, Apple Watch β€” betteriPhone
Requires iOS15.6 β€” better17.0
Further details β€” not scored
Size189 MB68 MB
Age rating12+4+
DeveloperMinkTec GmbHMustafa Kazi

In-app purchases

1 purchases

rectify

Subscriptions1
  • AirPods Head Tracking$4.991 Month
None

Formetric

No in-app purchases

Questions

Is rectify free?
rectify is free to download, with in-app purchases available.
Is Formetric free?
Formetric is free to download, with no in-app purchases.
Do rectify or Formetric have ads?
rectify shows ads; Formetric does not.
Which is updated more often, rectify or Formetric?
rectify ships an update every 3 days, and Formetric every 2 days. Most recently, rectify was updated on October 1, 2026 and Formetric on September 14, 2026.

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