# Prevent vs toFailure

The clearest difference is ratings volume: Prevent at 9 against toFailure's 1. On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Prevent against 5.0 for toFailure. That said, the two scores are not equally well evidenced: Prevent has 9 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Prevent | toFailure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/prevent/id1121375378/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tofailure/id6758894737/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | Free |
| Size | 46 MB | 26 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Prevent Biometrics, Inc](https://appshunter.io/developer/1121375377) | [THOMAS CARLYLE POLAN](https://appshunter.io/developer/1875070199) |

## What reviewers say

### Prevent

[App page](https://appshunter.io/ios/app/prevent/id1121375378)

This app pairs with a special mouthguard to monitor head impacts in real-time. It provides detailed data on acceleration, direction, and load for each impact, helping teams and parents assess player safety and identify athletes needing evaluation.

**Highlights:** Real-time head impact data, Linear and rotational acceleration tracking, Impact direction and location analysis, Impact Load measurement, Player and team data views, Live alerts for high-magnitude impacts

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

**In-app purchases:** none


### toFailure

[App page](https://appshunter.io/ios/app/tofailure/id6758894737)

This app helps you track your workouts by logging one set to failure per exercise. Monitor your body weight trends and review your complete workout history. All your data is stored locally, ensuring privacy.

**Highlights:** Custom workout program creation, Log one set to failure per exercise, Track body weight with trend chart, View workout history and duration, Local data storage, no account needed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prevent free?

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

### Is toFailure free?

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

### Which has better reviews, Prevent or toFailure?

Prevent and toFailure are both rated 5.0 out of 5 on the App Store, from 9 and 1 ratings respectively.

### Do Prevent or toFailure have ads?

Neither Prevent nor toFailure shows ads.

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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.*