Comparison

Lactate Express vs Obseed

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

Head to head
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.

About

Obseed

Features
Read full description

Obseed is the app for ambitious athletes and fitness enthusiasts who want to reach their training goals with precision.  Our platform makes it easy to plan, track, and analyze your workouts in depth. Inspired by the market’s leading tools, Obseed offers advanced—and most importantly, corrected—training data, personalized analysis options, and a user-friendly interface. Unlock your full potential and stay motivated with reliable data and tailored insights that take your training to the next level. Features: - Comprehensive workout tracking - Progress analysis - Intuitive user interface - Real-time data & insights Obseed – for those who want to get more out of their training!

Screenshots

Lactate Express4 screens
Obseed4 screens

Verdict

The call

The clearest difference is in-app purchases: Obseed at none against Lactate Express's 4. Lactate Express's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement 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. Obseed asks for nothing beyond the download.

UpkeepUpdate frequency

Lactate Express ships an update every 3 weeks, Obseed every 6 weeks. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 6 level
Lactate Express versus Obseed: the parameters behind the verdict, then further details
ParameterLactate ExpressObseed
PriceFreeFree
Positive reviews37.5% of reviews—
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.5 — better18.0
Further details — not scored
Size133 MB6 MB
Age rating4+4+
DeveloperCOPAtec GmbHDaniel Metzing

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
None

Obseed

No in-app purchases

Questions

Is Lactate Express free?
Lactate Express is free to download, with in-app purchases available.
Is Obseed free?
Obseed is free to download, with no in-app purchases.
Do Lactate Express or Obseed have ads?
Neither Lactate Express nor Obseed shows ads.
Which is updated more often, Lactate Express or Obseed?
Lactate Express ships an update every 3 weeks, and Obseed every 6 weeks. Most recently, Lactate Express was updated on October 12, 2026 and Obseed on October 6, 2026.

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