The Build System App vs Coach App (MyStrengthBook)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Build System App
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Welcome to The Build System, the official coaching app for Dino Camire (CSCS, CISSN) and Jen Oleson (BA, Adv. CPT). If your coach added you here, you're in the right place. Welcome if you've arrived from the app landing page. Enjoy your 30 day FREE trial. The Build System is organized around five pillars: Train, Fuel, Move, Measure, Belong. Your programs, nutrition guidance, and progress tracking all live here, built by your coach and backed by 35+ years of combined coaching experience. Real coaching. Real programs. Real results.
Coach App (MyStrengthBook)
This app helps fitness coaches manage their clients' training, track progress, and communicate in real-time. It allows for on-the-spot program adjustments and logging workouts during sessions. Stay connected and provide personalized support from anywhere.
- Client data management
- Workout logging
- Progress reports
- Real-time communication
- Program modifications
- Check-ins
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Manage Clients Anywhere with the MyStrengthBook Coaching App Streamline your coaching experience by accessing and managing your clients' data from your mobile device. Whether you're on the go or in the gym, MyStrengthBook empowers you to stay connected and provide personalized support. In-Person Training: Log workouts for your clients during sessions so they can focus on their training, not their phones. Reports & Check-Ins: Access client data, reports, and check-ins with ease to stay organized and informed. Program Modifications: Adjust your clients' plans on the spot to fit their evolving needs. Real-Time Communication: Chat one-on-one or in group settings with your clients directly through the app. Coaching has never been more efficient. Simplify your workflow with MyStrengthBook.
Screenshots
Verdict
The clearest difference is update cadence: Coach App (MyStrengthBook) at weekly against The Build System App's fortnightly. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
The Build System App ships an update fortnightly, Coach App (MyStrengthBook) weekly. Both last shipped on September 11, 2026.
| Parameter | The Build System App | Coach App (MyStrengthBook) |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 71 MB | 72 MB |
| Age rating | 4+ | 17+ |
| Developer | One Family Fitness Centre | My Strength Book Inc |
In-app purchases
The Build System App
No in-app purchases
Coach App (MyStrengthBook)
No in-app purchases
Questions
Is The Build System App free?
Is Coach App (MyStrengthBook) free?
Do The Build System App or Coach App (MyStrengthBook) have ads?
Which is updated more often, The Build System App or Coach App (MyStrengthBook)?
Other comparisons
