Output Capture vs ESST
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Output Capture
This app, paired with a wearable sensor, provides comprehensive athlete performance analysis. It tracks strength, speed, power, and mobility with reliable and valid data, streamlining the entire assessment process for training optimization and return-to-play protocols.
- Comprehensive athlete testing
- Strength, speed, power, mobility tracking
- Reliable and valid data
- Streamlined data management
- End-to-end solution
- Machine-learning algorithms
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Output Sports is your Swiss army knife to truly understand athletes and optimise their performance // Anytime, anywhere. Paired with an Output V2 Inertial Measurement Unit (IMU)*, the Capture app offers unparalleled versatility, scalability and usability without sacrificing accuracy and validity, making it the perfect tool for assessing athlete performance. With Output’s machine-learning algorithms you have the ability to test and track multiple components of athletic performance. * Use of the Capture app requires the wearable V2 Capture IMU sensor to function. The Capture app requires iOS 15.0+. - End-To-End Solution One simple, portable, easy to use tool that can be used for comprehensive athlete testing and tracking of strength, speed, power, mobility & more. Whether integrating it into training programme optimisation, developing return to play assessments, or driving intent. - Reliability and Validity Reliability and validity is at the forefront of what we do at Output. Our state of the art algorithms have been developed in biomechanics labs and have exceptional agreement with gold-standard research. - Unified Data No more reliance on cumbersome equipment producing difficult to manage silos of data. Output streamlines the whole data capture, management and decision-making process. - Grown with our community Our technology has been co-developed with elite sporting partners & spans >8 years of research and development. Our community continues to grow everyday. You can check out some of our user stories on our website at https://www.outputsports.com/.
ESST
This app helps you manage your health and fitness journey by allowing you to book classes, create custom workout plans, and stay updated on club news. It integrates with Apple Health to track your progress, including steps, distance, and calories burned, and can import data from wearable devices.
- Book classes online
- Create custom exercise programs
- View club news and events
- Refer friends to the club
- Apple Health integration
- Track steps, distance, and calories
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Guiding you through your health and fitness journey! - Book classes online in just a few clicks - Create your own exercise programmes or select from a range provided by the club - See all the latest club news, offers and events - Refer Friends to the club online Apple Health App Integration Track your progress with our HealthKit app integration to import and measure your daily steps, distance or calories burnt. Also use HealthKit to import your data from a range of different wearable devices.
Screenshots
Verdict
The clearest difference is update cadence: Output Capture at fortnightly against ESST's every 3 months. ESST's advantage is iOS requirement (14.0 vs 17.0). On price, rating, ratings volume and ads 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 — 4.9 for Output Capture against 4.9 for ESST. Both are backed by a comparable volume of ratings — 12 and 10 respectively.
Output Capture ships an update fortnightly, ESST every 3 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.
| Parameter | Output Capture | ESST |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (12 ratings) | 4.9 (10 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 12 — better | 10 |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 98 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Output Sports | TeamUp Sports |
Customer experience
Output Capture
ESST
In-app purchases
Output Capture
No in-app purchases
ESST
No in-app purchases









