Comparison

Ski Boot Review App vs Lactate Express

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

Head to head
About

Ski Boot Review App

Features
Read full description

Record your impressions of alpine ski boots whether in the shop or on the hill. The app will store your info and can be recalled at any point for review. Your results are shared with Masterfit and become part of the bootfitters.com ski boot data collection initiative designed to assist manufacturers in designing better products by providing accurate user data. Each individual tester will have access to only their review results and the scores are anonymized once uploaded to our servers. Terms and Condition link: https://masterfitinc.com/terms-conditions/

About

Lactate Express

This app provides precise lactate step-test data capture and analysis for endurance athletes and performance diagnosticians. It computes thresholds using scientifically recognized models and generates clear training zones, eliminating the need for manual spreadsheets. Professional reports can be generated and shared easily.

Highlights
  • Lactate step-test data capture
  • Bluetooth sensor integration
  • Multiple threshold analysis models
  • Automatic training zone calculation
  • Branded PDF report generation
  • Test comparison and trend tracking
  • Athlete roster management
Features
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.

Screenshots

Ski Boot Review App4 screens
Lactate Express2 screens

Verdict

The call

The clearest difference is in-app purchases: Ski Boot Review App at none against Lactate Express's 4. Ski Boot Review App also leads on iOS requirement (12.0 vs 17.5). Lactate Express's advantage is update cadence (every 3 weeks vs every 6 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lactate Express sells 4 in-app purchases, starting at $24.99 per month. Ski Boot Review App asks for nothing beyond the download.

UpkeepUpdate frequency

Ski Boot Review App ships an update every 6 months, Lactate Express every 3 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 5 level
Ski Boot Review App versus Lactate Express: the parameters behind the verdict, then further details
ParameterSki Boot Review AppLactate Express
PriceFreeFree
Positive reviews—37.5% of reviews
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS12.0 — better17.5
Further details — not scored
Size18 MB135 MB
Age rating17+4+
DeveloperBootFittersCOPAtec GmbH

In-app purchases

None

Ski Boot Review App

No 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

Questions

Is Ski Boot Review App free?
Ski Boot Review App is free to download, with no in-app purchases.
Is Lactate Express free?
Lactate Express is free to download, with in-app purchases available.
Do Ski Boot Review App or Lactate Express have ads?
Neither Ski Boot Review App nor Lactate Express shows ads.
Which is updated more often, Ski Boot Review App or Lactate Express?
Ski Boot Review App ships an update every 6 months, and Lactate Express every 3 weeks. Most recently, Ski Boot Review App was updated on October 19, 2026 and Lactate Express on October 24, 2026.

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