Comparison

Starrett System vs FlexFrame

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

Head to head
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.

About

FlexFrame

Features
Read full description

FlexFrame turns your camera into a transformation time machine. Whether you're tracking a body recomposition, a home renovation, a garden growing, or any long-term project - FlexFrame makes sure every photo lines up perfectly so your time-lapse looks cinematic. HOW IT WORKS 1. Create a project - "Summer Cut", "House Build", "Plant Growth" - anything you want to document over time. 2. Take a photo each day. FlexFrame helps you nail the exact same position every time. 3. Export a time-lapse video and watch your transformation unfold. KEY FEATURES Ghost Overlay (Onion Skin) Your last photo appears as a semi-transparent guide over the live camera feed. Line up your body, align the frame - consistency becomes effortless. Gyroscope Leveler A live level line turns green the moment your phone is perfectly straight. No more tilted angles ruining your progress video. Time-lapse Export Stitch every photo into a smooth video. Control the playback speed and overlay your data labels (weight, day count, notes) directly onto the footage. Project Organisation Manage multiple goals at once. Your dashboard shows each project's photo count, days elapsed, and a cover thumbnail at a glance. Fully Offline No account required. No cloud sync. Everything stays on your device. PERFECT FOR - Fitness & body transformation (cuts, bulks, recomps) - Home renovation & DIY documentation - Plant & garden growth - Pregnancy journeys - Before & after comparisons - Any long-term visual project PRICING FlexFrame is completely free. No paywalls, no subscriptions, no watermarks. Start documenting your journey today. Download FlexFrame.

Screenshots

Starrett System4 screens
FlexFrame4 screens

Verdict

The call

The clearest difference is device support: Starrett System at 3 against FlexFrame's 1. Starrett System also leads on iOS requirement (13.0 vs 18.2). On price, ads and in-app purchases 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.

Scorecard2 real differences · 8 level
Starrett System versus FlexFrame: the parameters behind the verdict, then further details
ParameterStarrett SystemFlexFrame
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings6 — better—
Update frequencyMonthly—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.2
Further details — not scored
Size419 MB37 MB
Age rating4+4+
DeveloperThe Ready State Inc.ZARZARA SOFT, SRL

In-app purchases

None

Starrett System

No in-app purchases

None

FlexFrame

No in-app purchases

Questions

Is Starrett System free?
Starrett System is free to download, with no in-app purchases.
Is FlexFrame free?
FlexFrame is free to download, with no in-app purchases.
Do Starrett System or FlexFrame have ads?
Neither Starrett System nor FlexFrame shows ads.

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