Traindoo vs Lactate Express
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Traindoo
This app provides a comprehensive platform for online coaching, enabling users to track workouts, monitor health and habits, and communicate with their trainers. It features video uploads, customizable exercise libraries, and sports-scientific analysis to optimize training programs.
- Workout programming and tracking
- Health and habit surveys
- Customizable exercise library
- Sports-scientific analysis
- In-app video and photo upload
- Direct messaging with coach
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Traindoo is the online coaching software that covers it all: - programming, - tracking, - chatting, customizable exercise library, - analyses - video upload. Your coach has the best tools at hand to optimize your training, allowing you to maximize your potential. You work with daily and weekly surveys to track exercise performance, health and habits. With a unique sports-scientific analysis tool your trainer gains insights for an optimal programming of your training. Through in-app photo and video upload, exercise commenting and chatting, Traindoo delivers an online coaching experience as close to physical collaboration as it gets. The app is being developed together with leading coaches and athletes and consistently evolving by offering new features. Try Traindoo now and never look back! // Note: Traindoo only works in conjunction with your coach, who must use the Traindoo WebApp.
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.
Screenshots
Verdict
The clearest difference is in-app purchases: Traindoo at none against Lactate Express's 4. Traindoo also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (14.4.2 vs 17.5). On price, ads 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. Traindoo asks for nothing beyond the download.
Traindoo ships an update weekly, Lactate Express every 3 weeks. The most recent releases landed on August 13, 2026 and September 28, 2026 respectively.
| Parameter | Traindoo | Lactate Express |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 14.4.2 — better | 17.5 |
| Further details — not scored | ||
| Size | 38 MB | 133 MB |
| Age rating | 12+ | 4+ |
| Developer | nutrilize GmbH | COPAtec GmbH |
In-app purchases
Traindoo
No 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









