Comparison

VO2 Master Manager vs LACTIC

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

Head to head
About

VO2 Master Manager

This tool collects and displays performance data including VO2, heart rate, and power. It also monitors speed, cadence, and muscle oxygenation for comprehensive analysis.

Highlights
  • VO2 monitoring
  • Heart rate tracking
  • Power data collection
  • Speed and cadence monitoring
  • Muscle oxygenation data
  • Performance analysis
Features
Read full description

VO2 Master Manager is a data display, collection, and analysis tool. It monitors your performance through VO2, heart rate, and power, speed, cadence, and Moxy muscle oxygenation data collection.

About

LACTIC

Features
Read full description

LACTIC connects you with your clinic or coach in one app. Your provider builds your training program, reviews your labs, and messages you directly. You track the daily work: nutrition, workouts, sleep, and recovery. TRAINING • A weekly training calendar built by your coach or clinic • A guided workout player with sets, reps, rest timers, and demo videos • Personal bests with strength standards for your age and sex NUTRITION • Log meals by search or barcode scan • Macro targets built from your body composition • Water, fiber, and full nutrient breakdowns HEALTH • Lab results with clear color coded ranges and trends over time • Body composition scans and progress • Sleep, HRV, and recovery from Oura, WHOOP, Polar, Strava, and Apple Health CARE • Secure messaging with your clinic or coach • Health reports, screening reminders, and supplement plans from your provider Most people join LACTIC through their clinic or coach. You can also create a free account and upgrade to the App Subscription ($8.99/month or $75/year) for full nutrition tracking and fitness programs. SUBSCRIPTION DETAILS Full App Access, monthly: $8.99 per month Full App Access, annual: $75.00 per year Payment will be charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions in your App Store account settings after purchase. Terms of Use (EULA): https://www.chocolatelabsapps.com/lactic/terms Privacy Policy: https://www.chocolatelabsapps.com/lactic/privacy

Screenshots

VO2 Master Manager4 screens
LACTIC4 screens

Verdict

The call

The clearest difference is in-app purchases: VO2 Master Manager at none against LACTIC's 2. On price, update cadence, 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. LACTIC sells 2 in-app purchases, starting at $8.99 per month. VO2 Master Manager asks for nothing beyond the download.

UpkeepUpdate frequency

VO2 Master Manager ships an update monthly, LACTIC every 6 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 9 level
VO2 Master Manager versus LACTIC: the parameters behind the verdict, then further details
ParameterVO2 Master ManagerLACTIC
PriceFreeFree
Rating4.0 (9 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings9 — better—
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size88 MB47 MB
Age rating4+12+
DeveloperVO2 MASTER HEALTH SENSORS INCChocolate Labs Apps LLC

In-app purchases

None

VO2 Master Manager

No in-app purchases

2 purchases

LACTIC

Subscriptions2
  • Monthly$8.991 Month
  • Yearly$75.001 Year

Questions

Is VO2 Master Manager free?
VO2 Master Manager is free to download, with no in-app purchases.
Is LACTIC free?
LACTIC is free to download, with in-app purchases available.
Do VO2 Master Manager or LACTIC have ads?
Neither VO2 Master Manager nor LACTIC shows ads.
Which is updated more often, VO2 Master Manager or LACTIC?
VO2 Master Manager ships an update monthly, and LACTIC every 6 weeks. Most recently, VO2 Master Manager was updated on October 24, 2026 and LACTIC on October 28, 2026.

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