Comparison

V.O2 vs AIM Virtual

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

AIM Virtual

This app helps users achieve their running, fitness, and life goals with personalized programs. It offers workouts, habit tracking, meal ideas, and community support to keep you motivated.

Highlights
  • Running and strength workouts
  • Goal setting and habit tracking
  • Milestone badges
  • Recipe and meal library
  • Virtual communities and chats
  • Wearable device integration
Features
Read full description

The AIM app was designed to help you reach your goals in running, fitness, and life. The AIM programs each provide a variety of features that best fit your unique needs and goals - so you can AIM for more no matter which season you're in. FEATURES: - Running and strength workouts - Challenges and weekly giveaways - Goal setting and habit tracking for steps, workouts, sleep, and more - Milestone badges for achieving new personal bests and maintaining habit streaks - Recipe and meal library - Virtual communities and chats to meet people with similar health goals and stay motivated - Ability to connect to other wearable devices including Apple Watch (synced to HealthKit), Apple Health App, Garmin, Fitbit, MyFitnessPal, and Withings devices Download the app today!

Screenshots

V.O24 screens
AIM Virtual4 screens

Verdict

The call

The clearest difference is in-app purchases: AIM Virtual at none against V.O2's 17. AIM Virtual also leads on review sentiment (100% vs 71%) and device support (4 vs 2). V.O2's advantage is update cadence (every 6 days vs every 6 weeks) and ratings volume (6.2K vs 23). On price, rating, ads 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. V.O2 sells 16 in-app purchases, starting at $12.99 per month. AIM Virtual asks for nothing beyond the download.

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 AIM Virtual. That said, the two scores are not equally well evidenced: V.O2 has 6.2K ratings behind it against 23, so its average is the more settled of the two. Written reviews are what separate them: 71% of V.O2's written reviews are positive against 100% of AIM Virtual's.

UpkeepUpdate frequency

V.O2 ships an update every 6 days, AIM Virtual every 6 weeks. The most recent releases landed on October 2, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 4 level
V.O2 versus AIM Virtual: the parameters behind the verdict, then further details
ParameterV.O2AIM Virtual
PriceFreeFree
Rating4.9 (6.2K ratings)5.0 (23 ratings) — better
Positive reviews70.9% of reviews100.0% of reviews — better
Number of ratings6.2K — better23
Update frequencyEvery 6 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS16.615.5 — better
Further details — not scored
Size142 MB159 MB
Age rating4+4+
DeveloperThe Run SMART Project, LLCRun with Aim, LLC

Customer experience

V.O2

All ratings6,231 ratings
Positive97.6%
Neutral0.9%
Negative1.4%
Written reviews175 reviews
Positive70.9%
Neutral8.0%
Negative21.1%

AIM Virtual

All ratings23 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
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

AIM Virtual

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
None

AIM Virtual

No in-app purchases

Questions

Is V.O2 free?
V.O2 is free to download, with in-app purchases available.
Is AIM Virtual free?
AIM Virtual is free to download, with no in-app purchases.
Which has better reviews, V.O2 or AIM Virtual?
AIM Virtual is rated higher. V.O2 averages 4.9 out of 5 from 6.2K ratings, while AIM Virtual averages 5.0 from 23 ratings.
Do V.O2 or AIM Virtual have ads?
Neither V.O2 nor AIM Virtual shows ads.
Which is updated more often, V.O2 or AIM Virtual?
V.O2 ships an update every 6 days, and AIM Virtual every 6 weeks. Most recently, V.O2 was updated on October 2, 2026 and AIM Virtual on September 22, 2026.

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