Theory of Motion
Achieve Fitness Center, Inc. Health & Fitness iPhoneiPadiPod touch
Theory of Motion is a free Health & Fitness app for iPhone and iPad by Achieve Fitness Center, Inc. Rated 4.5/5 from 31 ratings. Requires iOS 13.0.
- Rating
- 4.5
- 31 ratings
- Price
- Free
- on the App Store
- Size
- 418 MB
- Age 4+
- Updated
- Sep 8
- 2026 · v3.88.3
Screenshots
About Theory of Motion
The Theory of Motion App is a complete training system that helps you build functional strength, mobility, and athleticism - all in one place. Whether you're getting back into shape, pushing your limits, or just want a smarter way to train, our monthly program gives you the structure and variety to stay consistent, injury-free, and progressing with purpose. Designed for everyday athletes of all levels, each 4-week training phase is grounded in real movement patterns and functional progressions. We blend functional strength training with mobility work and athletic development to help you move better, perform better, and feel better - for the long haul. Who It’s For • Lifters and fitness enthusiasts looking for structured, purposeful programming that goes beyond basic bodybuilding routines • Athletes who want to maintain strength, movement, and control • Anyone who wants to train hard without feeling beat up or burnt out • People seeking to combine strength, mobility, and performance - without juggling multiple programs • Whether you train at the gym or at home, the app adapts to your setup. You’ll have options for up to 4 workouts per week - with clear guidance, video demos, and workout tracking. What You Get • Integrated Strength, Mobility, and Athleticism Every training day blends smart programming with purposeful movement. No need for extra mobility sessions - it’s built into your weekly flow. • Structured 4-Week Phases New workouts and progressions every month, so your training never gets stale - and you’re always building toward something. • Gym + Home Options Whether you train in a full gym set or at a home gym with dumbbells, kettlebells, and bands, every workout offers scalable options to meet you where you are. • Clear Video Demos and Coaching Notes Know exactly how to execute each exercise with proper technique, intent, and confidence. • App Tracking + Progress Logs Track your reps, weights, and progress each week - all within the app. • Community + Support Get access to a supportive community of everyday athletes and coaches who are here to answer questions and keep you moving forward. Program Structure Each weekly plan includes: • Warm-Up – Prepare your body for better movement and performance • Power Development – Explosive movements for speed, coordination, and athletic carryover • Strength Work – Compound lifts, unilateral training, multi-planar movements, and progressive overloading • Finisher – Conditioning and core-focused sessions that challenge you without overtraining • Cooldown – Recovery-focused mobility and breathwork to restore and reset The Theory of Motion App is more than just workouts - it’s a long-term system to help you train smarter and move better through life. Sync with the Health app to update your workout and training metrics instantly.
Ratings & reviews
4.5
31 ratings
What’s new
Version 3.88.3 · Updated September 8, 2026
Fixes and improvements.
App privacy
The developer, Achieve Fitness Center, Inc., reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Health & Fitness: Health, Fitness
- Location: Precise Location
- Contact Info: Email Address, Name
- User Content: Photos or Videos
- Diagnostics: Crash Data
- Identifiers: User ID, Device ID
Used for: Analytics, Product Personalization, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- User Content: Other User Content
- Diagnostics: Performance Data
Used for: Analytics, Product Personalization, App Functionality
Alternatives to Theory of Motion
Looking for apps like Theory of Motion? Here are 6 similar apps on the App Store. The highest rated is TrueCoach (4.9/5), and all 6 are free to download.
-
Momentum by Sohee
4.7
-
Movement & Miles
4.8
-
IBEX Training
4.5
-
TrueCoach
4.9
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Connect Pelvic Floor Fitness
4.9
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Stronger by the Day
4.8
| App | Rating | Price | Last updated |
|---|---|---|---|
| Theory of Motion | 4.5 / 5 (31 ratings) | Free | September 8, 2026 |
| Momentum by Sohee | 4.7 / 5 (37) | Free | Aug 28, 2026 |
| Movement & Miles | 4.8 / 5 (272) | Free | Sep 15, 2026 |
| IBEX Training | 4.5 / 5 (35) | Free | Sep 22, 2026 |
| TrueCoach | 4.9 / 5 (35,503) | Free | Sep 30, 2026 |
| Connect Pelvic Floor Fitness | 4.9 / 5 (453) | Free | Jul 14, 2026 |
| Stronger by the Day | 4.8 / 5 (3,582) | Free | Jul 27, 2026 |