Comparison

V.O2 vs PaceMaster

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

Head to head
About

V.O2

This app provides adaptive training plans and personalized coaching for runners of all levels. It assesses your fitness, offers custom paces, and syncs with popular devices. Train intelligently to achieve measurable improvements and become your best runner.

Highlights
  • Adaptive training plans
  • VDOT fitness assessment
  • Personalized training paces
  • Sync with Apple Health, Coros, Garmin, Strava
  • Real-time guidance on Apple Watch, Coros, Garmin
  • Training adaptation based on improvement
  • Coach communication and training adjustments
Features
Read full description

Coaching app for athletes looking to take their running to the next level. How it works Athletes: Get an invite from a coach or choose one coaching option. • Adaptive Trainer (14-Day Free Trial) • Goal Race Plan • Match with a Private Coach Coaches: Start your 30-day free trial and learn how to manage your athletes at https://vdoto2.com/vdotcoach Popular Features • Assess your current running fitness (VDOT) • Built-in personalized training paces • Sync training calendar with GPS data from Apple Health, Coros, Garmin or Strava • Sync workouts/pace targets to Apple Watch, Coros or Garmin for real-time guidance • Adapt your training based on your improvement • Work with your coach, communicate and adjust training Truly Personalized Unlike most running apps, VDOT knows you. It understands the type of runner you are, what you're training for, and how to maximize your efforts. It also gives you more control over your training, leveraging your feedback to deliver real-time data which fine tunes your training and leads to continuous progression. With fully automated, truly personalized and highly-adaptive training, VDOT helps you achieve measurable improvement — all in an effort to make you the best runner you can be. Intelligent Training With a focus on training over tracking and coaching over running, VDOT offers access to the highest quality, Olympic-style training for runners of all levels-right from any mobile device. Designed to help runners train correctly and more intelligently, VDOT elicits maximum benefit while reducing the required effort. These high-quality workouts promote healthy, responsible, and beneficial sessions while simultaneously preventing overtraining. Olympic Pedigree V.O2 was built from the foundation of a scientifically-validated training methodology. Based on former Olympian, author, and legendary running coach Jack Daniels’ exercise science principles, the methodology not only benefits runners of all ages and abilities when it comes to improving their running fitness but it also serves as the best measure of running economy across a variety of runners and events, making it an ideal way to compare performances. High-school, college, Olympic and non-elite runners have all trained, ran, and succeeded with the VDOT methodology. -”Dr. Jack Daniels has had a bigger influence on training-for-running than anyone. He might be considered the Albert Einstein of the sport." - Runner’s World Magazine

About

PaceMaster

This app is a comprehensive marathon training and pacing tool. It offers personalized training plans, pace calculators, and race day strategy adjustments based on environmental factors and personal performance. It also includes professional running tools to enhance efficiency.

Highlights
  • Dual-mode marathon pace calculator
  • Personalized training plans
  • Professional training algorithms
  • Smart race day strategy
  • Performance predictions
  • Built-in metronome
Features
Read full description

Pace Master — Professional Marathon Training & Pacing Strategy [All-in-One Marathon Pace Calculator & Intelligent Training System] Whether you are a first-time marathoner or an elite runner chasing a sub-3, Pace Master is your most reliable digital coach. We provide more than just pace calculations; our advanced algorithms build a complete execution plan from training to race day. Core Highlights: 1. Dual-Mode Marathon Pace Calculator - Pace to Result: Input your target pace to get instant split times for 5K, 10K, Half, and Full Marathons. - Result to Pace: Input your goal finish time, and the system automatically calculates the precise pace required for every mile/kilometer. 2. Personalized Training Plans - Smart Generation: Customize 12, 16, 18, 20, or 24-week training cycles. - Intensity Levels: Choose from "Easy Start," "Steady Build," or "All-Out Sprint" to match your current fitness level. - Watch Export: Export your plan as a standard .fit file to sync with your sports watch. 3. Professional Training Algorithms - Six Intensity Zones: Precisely define E/M/T/I/R pace and heart rate zones to ensure scientific, injury-free training. - Volume Guidance: Dynamically calculate weekly mileage and high-intensity workout ratios based on your target goal. 4. Smart Race Day Strategy & Fueling - Dynamic Environmental Correction: Adjust your target pace per mile based on race day temperature, humidity, and course elevation/slope. - Scientific Fueling Plan: Get precise hydration and fueling (gels/salt tabs) schedules based on your sweat rate and metabolism. 5. Performance Predictions - Analyze your recent 5K, 10K, or Half Marathon performance to dynamically predict your full marathon potential. 6. Professional Running Tools - Built-in professional metronome to help stabilize your cadence and improve running efficiency. Why Choose Pace Master? - Data-Driven Design: Native tech rendering provides a pure, hardcore tool experience focused on your data. - Global Perspective: Supports 9 languages and seamless switching between Metric (km/Celsius) and Imperial (miles/Fahrenheit) units. Subscription Info & Terms: Pace Master Pro Auto-Renewal: - Subscription Periods: 1 Month (Pro Monthly), 12 Months (Pro Yearly). - Price: As displayed in-app. - Payment: Charged to your iTunes account upon confirmation. - Auto-Renewal: Renews automatically within 24 hours prior to the end of the current period. - Cancellation: Manage or disable auto-renewal in your iOS Account Settings at least 24 hours before the period ends. Agreements: - Terms of Service: https://psds.app/terms - Privacy Policy: https://psds.app/privacy - Support: support@psds.app Download Pace Master today and start your journey to a new PB!

Screenshots

V.O24 screens
PaceMaster4 screens

Verdict

The call

The clearest difference is update cadence: V.O2 at weekly against PaceMaster's every 3 months. V.O2 also leads on ratings volume (6.3K vs 1). On price, rating, 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. V.O2 sells 16 in-app purchases, starting at $12.99 per month and PaceMaster sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for V.O2 against 5.0 for PaceMaster. That said, the two scores are not equally well evidenced: V.O2 has 6.3K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

V.O2 ships an update weekly, PaceMaster every 3 months. The most recent releases landed on October 26, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 8 level
V.O2 versus PaceMaster: the parameters behind the verdict, then further details
ParameterV.O2PaceMaster
PriceFreeFree
Rating4.9 (6.3K ratings)5.0 (1 ratings) — better
Positive reviews71.0% of reviews—
Number of ratings6.3K — better1
Update frequencyWeekly — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.616.4 — better
Further details — not scored
Size142 MB11 MB
Age rating4+4+
DeveloperThe Run SMART Project, LLC知昶 臧

Customer experience

V.O2

All ratings6,278 ratings
Positive97.6%
Neutral0.9%
Negative1.4%
Written reviews176 reviews
Positive71.0%
Neutral8.0%
Negative21.0%

PaceMaster

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

V.O2

Reported bugs

4 issues
  • Apple Watch app issues and lack of functionality
  • Problems with syncing Garmin runs to the correct workouts
  • Inconsistent elevation and GPS data
  • Bugs and crashes when using the app

Requested features

6 requests
  • Ability to duplicate and edit workouts
  • Improved Apple Watch and Health app integration
  • More advanced adaptive training and automation
  • Expanded cross-training and workout modalities
  • Better user interface and workflow for coaches
Show 1 more
  • Keyword-based search for notes and workouts

PaceMaster

Not enough reviews yet to summarise bugs or requests.

In-app purchases

16 purchases

V.O2

Subscriptions2
  • Adaptive Training Subscription14 Days trial2 variants$12.991 Month
  • Adaptive Training - Annual14 Days trial$99.991 Year
One-time14
  • Base/Fitness - 8 weeks$44.99
  • Half Marathon - 12 weeks$54.99
  • 10 Km - 12 weeks$54.99
Show 11 more
  • 5 Km - 12 weeks$54.99
  • 1500m - 12 weeks$54.99
  • 3 Km - 12 weeks$54.99
  • Marathon - 15 weeks$69.99
  • Half Marathon - 15 weeks$69.99
  • Marathon - 18 weeks$79.99
  • Half Marathon - 18 weeks$79.99
  • Jack's Elite Marathon - 18wks$79.99
  • Jack's First Marathon - 18wks$79.99
  • Jack's Boston Marathon - 18wks$94.99
  • Marathon - 24 weeks$99.99
2 purchases

PaceMaster

Subscriptions2
  • PaceMaster Pro7 Days trial$2.991 Month
  • PaceMaster Pro7 Days trial$19.991 Year

Questions

Is V.O2 free?
V.O2 is free to download, with in-app purchases available.
Is PaceMaster free?
PaceMaster is free to download, with in-app purchases available.
Which has better reviews, V.O2 or PaceMaster?
PaceMaster is rated higher. V.O2 averages 4.9 out of 5 from 6.3K ratings, while PaceMaster averages 5.0 from 1 ratings.
Do V.O2 or PaceMaster have ads?
Neither V.O2 nor PaceMaster shows ads.
Which is updated more often, V.O2 or PaceMaster?
V.O2 ships an update weekly, and PaceMaster every 3 months. Most recently, V.O2 was updated on October 26, 2026 and PaceMaster on October 11, 2026.

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