How do their growth rates compare?

PureStrength (FormCheck AI) has a month-over-month growth rate of —; SHRED has -15.3%.

How does pricing compare?

PureStrength (FormCheck AI): Free. Free to download and use as of version 3.0 (January 2025), with optional in-app purchases. The app was previously subscription-based; verify the current pricing and any in-app offers on the App Store page for your region. SHRED: Freemium, Free Trial. Freemium with a free tier (limited workout library, basic tracking, standard demos, no personalized programming or AI progression), an annual plan at $119.99/year (~$9.99/month, includes a 7-day free trial), and a monthly plan at $19.99/month. Discounts up to 30% are offered to military members, first responders, medical professionals, teachers, and students.

What are alternatives to PureStrength (FormCheck AI) and SHRED?

Other tools in related categories include FitnessAI, Planfit - AI Personal Trainer, Peak Strength, BodBot, Trainer+ by Vitruvian.

PureStrength (FormCheck AI) vs SHRED — Traffic (0 vs 57.43K), Pricing & Verdict

Open AI Tools

PureStrength (FormCheck AI) vs SHRED — Traffic (0 vs 57.43K), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	PureStrength (FormCheck AI)	SHRED
Official Domain	apps.apple.com	shred.app
Pricing Model	Free	Freemium, Free Trial
Monthly Visits	0 (0)	57.43K (57,430)
MoM Traffic Delta	0 (—)	-10.41K (-15.3%)
Primary Market & Share	🌐 Global (—)	🇺🇸 United States (47.4%)
Direct Visits / mo	0	9.89K
User Rating	4.1	4.2
Supported Platforms	App	Website

PureStrength (FormCheck AI)

AI form correction for your squat, bench press and deadlift

Deadlift form correction

Track hip movement, shoulder position and lockout so you avoid a rounded back and get a clean pull.

Squat form analysis

Depth monitoring plus alignment and balance alerts so you activate the right muscles on every rep.

Bench press guidance

Feedback on bar path, control, grip and elbow position across the press.

On-device 3D analysis

In-app 3D rendering and slow-motion playback let you replay each rep and see exactly where technique breaks down.

Strengths & Pros

+Detailed, lift-specific cues for squat, bench press and deadlift rather than generic rep counting.
+On-device processing keeps training videos private and works without a constant connection.
+3D rendering and slow-motion replay make it easy to see exactly where form breaks down.
+Became free to use in 2025, removing the previous subscription barrier.
+Runs on iPhone, iPad, Mac (Apple silicon) and Apple Vision.