Lactate Express vs Speed
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lactate Express
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Lactate Express brings the lactate step-test to iPad, Mac, and iPhone — built for performance diagnosticians and serious endurance athletes. Capture every step-test precisely, compute thresholds with scientifically recognized models, and turn them into training zones you can actually apply. No more error-prone spreadsheets and manual entry. CAPTURE — fast and error-free • Step-test one step at a time: load (watts or km/h), lactate, heart rate, and Borg per step • Automatic readings over Bluetooth: SensCore lactate meters and Polar heart-rate sensors • Clear phases: rest, examination, recovery — with the current step clearly marked • Large input fields and one-tap entry, even under time pressure during a test ANALYZE — scientifically grounded • Six threshold models: Mader (4.0 mmol/l), Dickhuth, LT1, dMax, dMaxMod, and user-defined fixed values • Automatic curve fitting with coefficients and R² — the math stays transparent • Training zones such as GA1, GA2, and EB at a glance • Publication-grade charts REPORT — professional • Branded PDF reports with header and footer, charts, tables, and zones • Share via the native iOS and macOS share sheet COMPARE & TRACK — over time • Compare Tests: put any two step-tests side by side (Mac and iPad) to see exactly what changed • Home dashboard with threshold trends and deltas — an athlete's form at a glance • Roster overview to manage many athletes from one place (Team/Pro) • Cohort percentiles: see where an athlete ranks within the group WHO IT'S FOR • Diagnosticians: fast capture, athlete management, professional reports • Athletes: clear zones instead of jargon, an honest performance snapshot PLATFORMS Native SwiftUI — optimized for iPad and Mac, compact on iPhone. SUBSCRIPTIONS Lactate Express offers auto-renewable subscriptions with monthly and yearly terms. The subscription title, duration and price are shown in the app before purchase. Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period; your Apple Account is charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription in your Apple Account settings after purchase. Privacy Policy: https://www.lactate-express.de/lactate-express-policy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Lactate Express — train smarter, not harder.
Speed
This app, when used with a compatible timing system, allows coaches and athletes to precisely measure speed and performance during training. It offers detailed results, custom test creation, and professional documentation for athletic development.
- Create and manage teams and squads
- Preset and custom performance tests
- Measure running times to 1/100th of a second
- Wireless results transmission during training
- Professional training documentation and reports
- CSV export for data analysis
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The innovative Speed-Checkr app combined with the Speed-Checkr timing system has become an essential part of the daily training routine for many coaches. It is perfect for the use in schools and sports clubs, and everywhere where speed is of the essence. An easy set-up in a very short time, simple installation and the easy usage speaks for itself. All results can already be wireless received during the training, which is a significant advantage for the communication with the athlete. The focus of this system lies on the easy usability, reliability and professional training documentation with precise performance data. A must-have for trainers and athletes! Layout and function: The 2 light barriers can be easily connected via the Bluetooth function in the "Speed-Checkr" app. In no time at all, you can create your timing system. The times, which can be measured to the hundredth of a second, are displayed directly in the app on your cell phone or tablet and can be assigned to the players. Under ideal conditions, the two light barriers can be up to 100 m apart and maintain the connection. All speeds between 1 km/h and theoretically 100 km/h are possible. The data is automatically visible in the app, but can also be exported as a report (CSV file) by email. App features: - Create and manage teams - Enter and manage squads - 4 preset performance tests - 10-metre test (initial speed) - 30-metre test (basic speed) - Agility test - Dribbling test - Possibility to create your own tests - Running times down to a range of 1/100 of a second - Professional training documentation - Evaluations and reports (tabular and chart) incl. CSV export The matching training aid set (19 pieces) - for the Speed-Checkr performance tests can be purchased at Teamsports.com Notes: - With the Speed-Checkr timing system, it is possible to measure the start and finish. - A subscription is required for permanent use of the app. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Lactate Express at every 3 weeks against Speed's every 2 months. Speed's advantage is iOS requirement (15.0 vs 17.5). On price, ads, in-app purchases and device support 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. Lactate Express sells 4 in-app purchases, starting at $24.99 per month and Speed sells 1 in-app purchase, starting at $16.49 per year. Whichever you choose, the download price is not the number that matters.
Lactate Express ships an update every 3 weeks, Speed every 2 months. The most recent releases landed on August 16, 2026 and September 11, 2026 respectively.
| Parameter | Lactate Express | Speed |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 16.7% of reviews |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 133 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | COPAtec GmbH | Teamsportbedarf.de |
In-app purchases
Lactate Express
- Teams (Monthly)$24.991 Month
- Professionals (1 Month)$44.991 Month
- Teams (Yearly)$250.001 Year
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- Professionals (Yearly)$399.001 Year
Speed
- Yearly subscription14 Days trial$16.491 Year









