Prevent vs toFailure
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prevent
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.
- 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
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The Prevent mobile app pairs with the Prevent Biometrics impact monitor mouthguard. The Prevent system provides near real-time, accurate head impact data to help teams make the right call about player safety. The Prevent app is designed for sideline monitoring of head impacts for the whole team, and is typically used by athletic trainers, coaches and athlete parents. For every head impact, see five key impact characteristics: * Linear acceleration of the head * Rotational acceleration of the head * Direction of the impact * Location on the head of the impact * Impact Load (a composite measure factoring impact count and magnitude) View head impact data on a player or team basis, and over the timeframe of a day, week or sports season. Introduce actionable, objective data into the process of identifying athletes needing sideline evaluation. The Prevent app provides live alerts of high magnitude head impacts. See athletes with high head impact exposure and instruct them on safer playing technique. Stand for smart play. The Prevent system helps you understand head impacts across the team and organization and be a leader in improving sports safety, performance and growing the game. This app requires at least one Prevent Impact Monitor Mouthguard to operate. Learn more at preventbiometrics.com or contact sales@preventbiometrics.com.
toFailure
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.
- 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
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toFailure is a no-frills workout tracker built for people who train with purpose. Log one set to failure per exercise, track your body weight over time, and see your progress — nothing more, nothing less. Features: - Create custom workout programs with your exercises - Log weight and reps for each exercise, one set at a time - View your last session's numbers so you know what to beat - Track body weight with a 3-month trend chart - Full workout history with duration tracking - All data stored locally on your device — no account needed, no data collected
Screenshots
Verdict
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.
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.
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.
| Parameter | Prevent | toFailure |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (9 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | 1 |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 46 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Prevent Biometrics, Inc | THOMAS CARLYLE POLAN |
Customer experience
Prevent
toFailure
In-app purchases
Prevent
No in-app purchases
toFailure
No in-app purchases









