Comparison

Lactate Express vs eval

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lactate Express

Read full description

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.

About

eval

This app acts as your digital cycling coach, transforming your training data into actionable insights. It helps you understand the meaning behind your performance metrics and guides your decisions on when to push harder or recover. Seamlessly integrates with popular fitness trackers and platforms.

Highlights
  • Interprets training session data
  • Provides guidance on exertion levels
  • Adapts training load to life factors
  • Tracks progress towards goals
  • Connects with Strava, Garmin, Apple Health, etc.
Features
Read full description

Collecting numbers is easy. But what do they mean for your next ride? eval:u is your digital cycling coach. It takes your data and turns it into the one thing you’re really missing: a clear decision. Push, pause or adapt — today. Coach first, app second. Decision first, data second. WHAT YOUR COACH DOES FOR YOU • Makes sense of every session — not “good or bad”, but what it means for tomorrow • Tells you when to go hard and when to hold back • Adapts your load to your real life: sleep, stress, recovery • Keeps you on course toward your goal — from your first spring kilometre to your biggest ride YOUR DATA, IN ONE PLACE eval:u connects with the tools you already use: Strava, Garmin, Apple Health, Whoop, Oura, ROUVY and Wahoo. Connect once — your coach handles the rest. WHO eval:u IS FOR For ambitious road and gravel cyclists who want more than another dashboard. Who want to know whether their training is truly moving them forward. FREE FOR 14 DAYS Connect your data, make your first coached decision — and feel the difference. Free for 14 days, right in the app. eval:u — your coach on the bike. -------------------- By using this app, you agree to our Terms of Use and Privacy Policy. Privacy Policy: https://www.evalu-app.com/privacy Terms of Use: https://www.evalu-app.com/terms

Screenshots

Lactate Express4 screens
eval4 screens

Verdict

The call

The clearest difference is iOS requirement: eval at 15.0 against Lactate Express's 17.5. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lactate Express sells 4 in-app purchases, starting at $24.99 per month and eval sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on August 16, 2026 and September 14, 2026 respectively.

Scorecard1 real difference · 7 level
Lactate Express versus eval: the parameters behind the verdict, then further details
ParameterLactate Expresseval
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.515.0 — better
Further details — not scored
Size133 MB95 MB
Age rating4+4+
DeveloperCOPAtec GmbHeval:u Athlete Analytics UG (haftungsbeschränkt)

In-app purchases

4 purchases

Lactate Express

Subscriptions4
  • Teams (Monthly)$24.991 Month
  • Professionals (1 Month)$44.991 Month
  • Teams (Yearly)$250.001 Year
Show 1 more
  • Professionals (Yearly)$399.001 Year
3 purchases

eval

Subscriptions3
  • eval:u monthly subscription$12.991 Month
  • eval:u 6-months subscription$69.996 Months
  • eval:u yearly subscription$119.991 Year

Questions

Is Lactate Express free?
Lactate Express is free to download, with in-app purchases available.
Is eval free?
eval is free to download, with in-app purchases available.
Do Lactate Express or eval have ads?
Neither Lactate Express nor eval shows ads.
Which is updated more often, Lactate Express or eval?
Lactate Express ships an update every 3 weeks, and eval every 3 weeks. Most recently, Lactate Express was updated on August 16, 2026 and eval on September 14, 2026.

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