Comparison

FormCheck AI vs PDC Performance

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

Head to head
About

FormCheck AI

This AI-powered personal trainer analyzes your exercise videos to provide instant feedback on your squat, deadlift, and bench press form. Improve your technique, prevent injuries, and achieve your fitness goals with personalized guidance.

Highlights
  • AI video analysis for exercise form
  • Deadlift, squat, and bench press correction
  • Injury prevention guidance
  • Personalized AI feedback
  • Progress tracking
  • Fitness and nutrition articles
Features
Read full description

Welcome to FormCheck AI, the premier AI-powered personal trainer designed to help you perfect your form, increase your strength, and transform your body! Struggling with form during workouts? FormCheck AI is here to change that. Our cutting-edge AI analyzes your exercise videos and provides instant feedback on your squat, bench press, and deadlift performance. Unlock your potential and become a stronger, bigger, and healthier version of yourself! PureStrength's Key Functionalities: 1. Deadlift form correction: * Detects shoulder positioning to avoid rounding * Ensures proper hip movement and lat/core tightness * Checks lockout technique for maximum efficiency 2. Squat form analysis: * Monitors depth to ensure optimal muscle activation * Alerts users of any imbalances or alignment issues 3. Bench press guidance: * Provides feedback on bar path and control * Evaluates grip, elbow position, and body mechanics Why choose FormCheck AI? * Achieve your fitness goals with personalized AI feedback * Improve your form to prevent injuries and maximize results * Track your progress and celebrate your milestones * Access a comprehensive library of articles and videos on fitness, nutrition, and wellness Download FormCheck AI now to start your journey towards better form, increased strength, and a healthier lifestyle. Revolutionize your workouts with the power of AI! SUBSCRIPTION INFO: Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Subscriptions may be managed and auto-renewal may be turned off by going to Account Settings after purchase. Support Email: madhav@purestrength.ai Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: http://purestrength.ai/privacy.txt

About

PDC Performance

This app synchronizes video with performance data from a Bluetooth clip to analyze your lifts. It provides detailed metrics, helps improve technique with video comparison, and is designed for powerlifters and coaches. Track progress, assess competition standards, and store your training data.

Highlights
  • Video-performance synchronization
  • Automatic rep and lift phase detection
  • Detailed performance metrics (velocity, range of motion)
  • Side-by-side video comparison tool
  • Custom depth and height targets with audio cues
  • Competition standard assessment
  • 10 minutes of free video storage
Features
Read full description

Video-Performance Sync -- Connect to our app with our powerful and lightweight Bluetooth Performance Clip. Using advanced motion algorithms, the PDC app automatically detects repetitions and lift phases, displaying a detailed waveform of your movement that syncs automatically with recorded videos seconds after completing your exercise (video recording is optional). Post-Set Metrics -- Receive, concise reports that compare the current set's performance with your all-time best at that weight/rep range. Compare weight lifted, rep speed, range of motion, tempo consistency, and pause duration with the previous set, then receive weight and rep recommendations for next next set. Detects set trends and technique breakdown from rep to rep. Improve Technique -- The app’s side-by-side video comparison and velocity slider tool make it easy to pinpoint technical breakdown, isolate lift phases, and identify sticking points for targeted improvement. Built for Powerlifters and Coaches -- Set custom depth or height targets, and receive audio cues mid-set when you hit or pass them. After training, instantly assess whether each rep meets competition standards—including depth, range of motion, and downward motion. Store all of your sets and exercises on our app, included with thumbnails and sorted by date, weight, reps, or difficulty (10 minutes of free video storage included). Performance Clip -- Our Bluetooth Performance Clip attaches to your arm or leg with our PDC bands (4 attachment bands XS-XXL included) and transmits real-time data directly to the free PDC app. The clip has a range of up to 50m and is rechargeable with 8 hours of battery life. Why PDC Stands Out -- PDC combines the affordability of consumer devices with the depth and accuracy of professional-grade tools. It’s visual, intuitive, and powerful, designed to make performance analysis accessible to everyone—from recreational lifters to elite competitors. Our small yet dedicated team is continuously refining PDC with user feedback so it can become a staple performance tracking solution for powerlifters and performance athletes worldwide. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

FormCheck AI4 screens
PDC Performance4 screens

Verdict

The call

The clearest difference is price: PDC Performance at Free against FormCheck AI's $0.99. PDC Performance also leads on update cadence (every 2 days vs fortnightly) and ratings volume (9 vs 2). FormCheck AI's advantage is rating (5.0 vs 4.3) and chart position (#106 vs unranked). On review sentiment, ads, in-app purchases and monetization model 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

PDC Performance is free to download; FormCheck AI costs $0.99 up front. FormCheck AI sells 6 in-app purchases, starting at $1.99 per 7 days and PDC Performance sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

FormCheck AI holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews complicate that: 58% of FormCheck AI's written reviews are positive against 60% of PDC Performance's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

FormCheck AI ships an update fortnightly, PDC Performance every 2 days. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

Scorecard5 real differences · 6 level
FormCheck AI versus PDC Performance: the parameters behind the verdict, then further details
ParameterFormCheck AIPDC Performance
Price$0.99Free — better
Rating5.0 (2 ratings) — better4.3 (9 ratings)
Positive reviews58.3% of reviews60.0% of reviews — better
Number of ratings29 — better
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#106 — better—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015
Further details — not scored
Size472 MB160 MB
Age rating4+4+
DeveloperPurestrength LimitedFaysal Al-Zand

Customer experience

FormCheck AI

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews24 reviews
Positive58.3%
Neutral29.2%
Negative12.5%

PDC Performance

All ratings9 ratings
Positive77.8%
Neutral11.1%
Negative11.1%
Written reviews5 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

In-app purchases

6 purchases

FormCheck AI

Subscriptions6
  • weekly pro2 variants$1.997 Days
  • Discounted Monthly Sub14 Days trial$4.991 Month
  • weekly pro$9.997 Days
Show 3 more
  • Monthly Subscription$19.991 Month
  • Yearly Subscription$19.991 Year
  • Discounted Yearly Subscription$99.991 Year
3 purchases

PDC Performance

Subscriptions2
  • Premium Monthly Subscription$2.991 Month
  • Premium Monthly Subscription$4.991 Month
One-time1
  • Premium for Lifetime$24.99

Questions

Is FormCheck AI free?
FormCheck AI costs $0.99, and also offers in-app purchases.
Is PDC Performance free?
PDC Performance is free to download, with in-app purchases available.
Which has better reviews, FormCheck AI or PDC Performance?
FormCheck AI is rated higher. FormCheck AI averages 5.0 out of 5 from 2 ratings, while PDC Performance averages 4.3 from 9 ratings.
Do FormCheck AI or PDC Performance have ads?
Neither FormCheck AI nor PDC Performance shows ads.
Which is updated more often, FormCheck AI or PDC Performance?
FormCheck AI ships an update fortnightly, and PDC Performance every 2 days. Most recently, FormCheck AI was updated on September 23, 2026 and PDC Performance on September 19, 2026.

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