Comparison

Primal Training vs Starrett System

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

Head to head
About

Primal Training

This app focuses on building strength in the end ranges of motion to improve mobility and flexibility. It offers structured programming, detailed exercise videos, and access to a large exercise library to help users perform better, recover faster, and resolve pain.

Highlights
  • Mobility programming for longevity and performance
  • Detailed mobility exercise videos
  • Access to over 100 exercise techniques
  • Apple Watch integration with HealthKit
  • Community support for mobility coaching
Features
Read full description

Strength is the KEY component for sustainable mobility. Our approach is based on building strength in the end ranges so you can own your new ranges. We bridge the gap between flexibility and mobility and create long lasting results. We are a proven mobility coaching approach and community that will have you perform better, recover faster and resolve your pain. * Mobility Programming Focusing On Longevity, Pain Management And Increased Performance * Detailed Mobility Exercise Videos * Designated Mobility Coach By Your Side * Access To The Primal Exercise Library Of Over 100+ Powerful, Effective Exercise Techniques * Connect to Apple Watch (synced with Healthkit)! Not a member yet? Visit our website!

About

Starrett System

This comprehensive 90-day fitness, movement, and nutrition program helps you build a functional, durable, and resilient body for life. It includes expert-led training, mobility and recovery sessions, nutrition guidance, and habit tracking tools.

Highlights
  • 90-day progressive strength and interval training
  • Mobility and recovery sessions
  • Macro-based nutrition guidance
  • Habit tracking and goal setting
  • Resource vault with pain protocols and recipes
  • Syncs with Health app
Features
Read full description

The Ultimate Fitness, Movement & Nutrition System for a Body Built to Last. The Starrett System isn’t just another workout plan. It’s an all-in-one system to help you reach the summit of your physical potential and lay the foundation for a life full of adventure, vitality, and everything that matters most to you. Designed by world-renowned physical therapist Dr. Kelly Starrett and world-champion athlete Juliet Starrett, creators of The Ready State and 3x New York Times bestselling authors, this comprehensive 90-day program goes beyond aesthetics, helping you build a functional, durable, and resilient body for life. What’s Inside: - Expert-Led Training: 3 months of progressive strength and interval training workouts, tailored to support durability and performance for every stage of life. - Mobility & Recovery Programming led by Dr. Kelly Starrett: sessions to optimize your workouts and address nagging pain. - Nutrition & Lifestyle Programming: Macro-based nutrition guidance, proven sleep strategies to enhance recovery, lifestyle and environment programming, supplement recommendations, and more. - Habit Tracking & Goal Setting: Tools to help you stay consistent and track progress. - Resource Vault: Resources you need to level up, including pain protocols, recipes, travel workouts, and more. - Sync with Health app to update your metrics instantly Designed for Longevity: This isn’t a quick-fix program—it’s your basecamp for life. Whether you're training to thrive in your 30s, 40s, 50s, or beyond, the system is built for busy professionals and parents, offering practical solutions that fit into your lifestyle. Why The Starrett System? Unlike typical fitness programs that focus solely on unsustainable aesthetics, The Starrett System helps you: - Implement a nutrition program that optimizes metabolic health and is sustainable for life - Build strength, power, and mobility - Optimize recovery for lifelong performance - Develop a body that you can count on for adventure and fun now and as you age This program equips you with the tools to play offense with your health, not defense.

Screenshots

Primal Training4 screens
Starrett System4 screens

Verdict

The call

The clearest difference is rating: Starrett System at 5.0 against Primal Training's 4.7. Starrett System also leads on iOS requirement (13.0 vs 15.5). On price, review sentiment, ratings volume and update cadence 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Starrett System holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 14 and 6 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 8 level
Primal Training versus Starrett System: the parameters behind the verdict, then further details
ParameterPrimal TrainingStarrett System
PriceFreeFree
Rating4.7 (14 ratings)5.0 (6 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings14 — better6
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.513.0 — better
Further details — not scored
Size179 MB419 MB
Age rating4+4+
DeveloperPrimal Mobility Inc.The Ready State Inc.

Customer experience

Primal Training

All ratings14 ratings
Positive92.9%
Neutral0.0%
Negative7.1%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Starrett System

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Primal Training

No in-app purchases

None

Starrett System

No in-app purchases

Questions

Is Primal Training free?
Primal Training is free to download, with no in-app purchases.
Is Starrett System free?
Starrett System is free to download, with no in-app purchases.
Which has better reviews, Primal Training or Starrett System?
Starrett System is rated higher. Primal Training averages 4.7 out of 5 from 14 ratings, while Starrett System averages 5.0 from 6 ratings.
Do Primal Training or Starrett System have ads?
Neither Primal Training nor Starrett System shows ads.
Which is updated more often, Primal Training or Starrett System?
Primal Training ships an update monthly, and Starrett System monthly. Most recently, Primal Training was updated on September 24, 2026 and Starrett System on September 21, 2026.

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