Comparison

Obitrain vs Whizz

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

Head to head
About

Obitrain

Features
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The training log for athletes who don't stick to one sport. Track all your training — from calisthenics and strength to running, cycling and swimming — in one weekly view. Obitrain logs the sessions other apps don't understand and brings every device into one timeline. EVERY DEVICE, ONE TIMELINE Sync Garmin, Polar, Suunto, Withings and Apple Health to see workouts, activity, weight and body metrics in one place. No more jumping between apps. LOG THE WORKOUTS NO OTHER APP UNDERSTANDS Build your own exercises — front lever, FLAC, mobility, custom movements — and turn them into reusable workout plans. Set goals before training, log your performance after, and keep a clear history of every session. MULTISPORT TRAINING Running, cycling, swimming, gym, calisthenics, ski, brick sessions and custom activities in a single log. Tag and search your sessions, customise your dashboard around the metrics that matter to you. BODY METRICS Weight, body fat, waist, arm and thigh measurements alongside your training history. See progress over weeks, months and years. SHARE WITH THE PEOPLE WHO ACTUALLY TRAIN WITH YOU Follow friends, compare progress, and create private groups for coaches, clients, partners or clubs. No public feed, no algorithm. Built for hybrid athletes who train across strength, cardio and skill — and want one place to log it all. Got a feature request? Email contact@obitrain.com

About

Whizz

This app provides personalized indoor cardio training plans generated by AI. It tracks your performance with detailed statistics, offers global challenges, and supports various cardio machines for weight loss, fitness improvement, or competition preparation.

Highlights
  • AI-generated personalized training plans
  • Supports various cardio machines
  • Calculates fitness indicators (VO₂max, BMI)
  • Tracks session progress and statistics
  • Global community challenges and rankings
  • Instant access to training history
Features
Read full description

Finally, an app dedicated to indoor cardio training! With personalised training plans generated by artificial intelligence (AI). Discover Whizz, the first mobile app dedicated to indoor cardio training, designed to support you in your gym or home workouts. Whether you use a treadmill, bike, rowing machine, elliptical trainer, stepper, climber... Whizz generates training plans, records your cardio sessions and gives you accurate and detailed statistics on your performance... Why choose our Whizz app? • It generates intelligent programmes: our AI learns from you, adjusts the intensity and guides you to progress. • It calculates your fitness indicators: life expectancy gained, maximum oxygen consumption (VO₂max), maximum aerobic speed (VMA), physiological age, body mass index (BMI), personal bests... your performance will hold no more secrets. • Clear and motivating statistics: track your progress session after session and stay motivated. • Global challenges: compare yourself to the Whizz community, challenge your friends, climb the rankings. • No more taking photos of your cardio machine screens: with Whizz, you can access your history instantly and easily. • Train anywhere, anytime: at the gym, at home or on the go. Whizz offers different types of training programmes: • Weight loss: burn maximum calories with targeted and effective workouts • Getting back in shape: rediscover the joy of exercise with gentle and progressive sessions • Cardio training performance improvements: improve your VO₂max, VMA and ability to sustain longer and more intense efforts • Competition preparation: our AI adjusts each session to your fitness level so that you arrive ready, motivated and confident on the day of your competition. Results you'll love • More motivation thanks to a programme that adapts to you. • Visible and measurable progress in just a few weeks. • The pleasure of pushing yourself, without ever injuring or exhausting yourself. Download Whizz today and join the new generation of cardio training.

Screenshots

Obitrain4 screens
Whizz4 screens

Verdict

The call

The clearest difference is in-app purchases: Obitrain at none against Whizz's 2. Whizz's advantage is update cadence (every 9 days vs monthly). 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. Whizz sells 2 in-app purchases, starting at $3.99 per month. Obitrain asks for nothing beyond the download.

UpkeepUpdate frequency

Obitrain ships an update monthly, Whizz every 9 days. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
Obitrain versus Whizz: the parameters behind the verdict, then further details
ParameterObitrainWhizz
PriceFreeFree
Rating—2.0 (1 ratings) — better
Positive reviews—71.4% of reviews
Number of ratings—1 — better
Update frequencyMonthlyEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better16.0
Further details — not scored
Size87 MB81 MB
Age rating4+4+
DeveloperJulien BrayereOptimaSport

In-app purchases

None

Obitrain

No in-app purchases

2 purchases

Whizz

Subscriptions2
  • Monthly subscription1 Month trial$3.991 Month
  • Yearly subscription7 Days trial$29.901 Year

Questions

Is Obitrain free?
Obitrain is free to download, with no in-app purchases.
Is Whizz free?
Whizz is free to download, with in-app purchases available.
Do Obitrain or Whizz have ads?
Neither Obitrain nor Whizz shows ads.
Which is updated more often, Obitrain or Whizz?
Obitrain ships an update monthly, and Whizz every 9 days. Most recently, Obitrain was updated on October 3, 2026 and Whizz on October 8, 2026.

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