# Bulletproof Performance vs FerroVox

The clearest difference is monetization model: Bulletproof Performance at free with in-app purchases against FerroVox's paid. Bulletproof Performance also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Bulletproof Performance sells 2 in-app purchases, starting at $45.00 per month and FerroVox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Bulletproof Performance against 5.0 for FerroVox. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Bulletproof Performance ships an update every 2 weeks, FerroVox every 3 weeks. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Bulletproof Performance | FerroVox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/bulletproof-performance/id6478654657/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ferrovox/id6761067662/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 133 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Global Fitness Holdings Ltd](https://appshunter.io/developer/1490993741) | [Thomas Hoffman](https://appshunter.io/developer/1887615669) |

## 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 |


### FerroVox

[App page](https://appshunter.io/ios/app/ferrovox/id6761067662)

Log your workouts using your voice with this private, on-device tracker. Customize your gym, track every machine variation, and visualize your training with a muscle group heat map. Includes a plate math calculator and Apple Watch integration for hands-free logging.

**Highlights:** Voice logging, Custom gyms, Muscle group heat map, Plate math calculator, Apple Watch companion, Data export

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock FerroVox | $14.99 | one-time |


## Frequently asked questions

### Is Bulletproof Performance free?

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

### Is FerroVox free?

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

### Which has better reviews, Bulletproof Performance or FerroVox?

Bulletproof Performance and FerroVox are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Bulletproof Performance or FerroVox have ads?

Neither Bulletproof Performance nor FerroVox shows ads.

### Which is updated more often, Bulletproof Performance or FerroVox?

Bulletproof Performance ships an update every 2 weeks, and FerroVox every 3 weeks. Most recently, Bulletproof Performance was updated on October 15, 2026 and FerroVox on September 30, 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.*