# 3PILLARSPERFORMANCE vs Coach App (MyStrengthBook)

The clearest difference is update cadence: Coach App (MyStrengthBook) at every 5 days against 3PILLARSPERFORMANCE's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

3PILLARSPERFORMANCE ships an update every 2 weeks, Coach App (MyStrengthBook) every 5 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 3PILLARSPERFORMANCE | Coach App (MyStrengthBook) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/coach-app-mystrengthbook/id6711348693/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 64 MB | 75 MB |
| Requires iOS | **14.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [3Pillarsperformance](https://appshunter.io/developer/1721614212) | [My Strength Book Inc.](https://appshunter.io/developer/1337179044) |

## What reviewers say

### 3PILLARSPERFORMANCE

[App page](https://appshunter.io/ios/app/3pillarsperformance/id6474454786)

**Features:** macOS Compatibility

**In-app purchases:** none


### Coach App (MyStrengthBook)

[App page](https://appshunter.io/ios/app/coach-app-mystrengthbook/id6711348693)

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.

**Highlights:** Client data management, Workout logging, Progress reports, Real-time communication, Program modifications, Check-ins

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 3PILLARSPERFORMANCE free?

3PILLARSPERFORMANCE is free to download, with no in-app purchases.

### Is Coach App (MyStrengthBook) free?

Coach App (MyStrengthBook) is free to download, with no in-app purchases.

### Do 3PILLARSPERFORMANCE or Coach App (MyStrengthBook) have ads?

Neither 3PILLARSPERFORMANCE nor Coach App (MyStrengthBook) shows ads.

### Which is updated more often, 3PILLARSPERFORMANCE or Coach App (MyStrengthBook)?

3PILLARSPERFORMANCE ships an update every 2 weeks, and Coach App (MyStrengthBook) every 5 days. Most recently, 3PILLARSPERFORMANCE was updated on October 13, 2026 and Coach App (MyStrengthBook) on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*