# Bulletproof Performance vs Tendon Tracker

The clearest difference is price: Bulletproof Performance at Free against Tendon Tracker's $1.99. Bulletproof Performance also leads on update cadence (every 2 weeks vs every 2 months). Tendon Tracker's advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Bulletproof Performance is free to download; Tendon Tracker costs $1.99 up front. Bulletproof Performance sells 2 in-app purchases, starting at $45.00 per month and Tendon Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Bulletproof Performance ships an update every 2 weeks, Tendon Tracker every 2 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Bulletproof Performance | Tendon Tracker |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bulletproof-performance/id6478654657/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 133 MB | 41 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Global Fitness Holdings Ltd](https://appshunter.io/developer/1490993741) | [Innovation Codotek inc.](https://appshunter.io/developer/1863557856) |

## What reviewers say

### Bulletproof Performance

[App page](https://appshunter.io/ios/app/bulletproof-performance/id6478654657)

This app offers specialized volleyball training programs, injury prevention, and recovery tools. Connect with a global community, access exclusive interviews with top athletes, and participate in live coaching sessions to elevate your game.

**Highlights:** Volleyball-specific training programs, Injury prevention and recovery tools, Exclusive athlete interviews, Live coaching Q&A sessions, Progress tracking, Global player community

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $45.00 | per month |
| Annual Subscription | $449.00 | per year |


### Tendon Tracker

[App page](https://appshunter.io/ios/app/tendon-tracker/id6756897904)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tendon Tracker Premium | $29.99 | one-time |


## Frequently asked questions

### Is Bulletproof Performance free?

Bulletproof Performance is free to download, with in-app purchases available.

### Is Tendon Tracker free?

Tendon Tracker costs $1.99, and also offers in-app purchases.

### Do Bulletproof Performance or Tendon Tracker have ads?

Neither Bulletproof Performance nor Tendon Tracker shows ads.

### Which is updated more often, Bulletproof Performance or Tendon Tracker?

Bulletproof Performance ships an update every 2 weeks, and Tendon Tracker every 2 months. Most recently, Bulletproof Performance was updated on October 15, 2026 and Tendon Tracker on October 2, 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.*