Comparison

Workout Trainer AI vs OpenBox App

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

Head to head
About

Workout Trainer AI

Achieve your fitness goals with AI-powered personalized coaching. Access multimedia workouts, track various sports, log weightlifting, and connect with a supportive community. Enhance your training with advanced heart rate feedback and performance analysis.

Highlights
  • AI personalized weekly plans
  • Multimedia workouts for all levels
  • 70+ sports activities tracking
  • Weightlifting logging tools
  • GPS distance tracking
  • Heart rate feedback & analysis
  • Community leaderboards
Features
Read full description

Hit your fitness goals anywhere with Workout Trainer. Powered by AI and expert-led, follow along to your personalized weekly plans including multimedia workouts for every fitness level. With thousands of bodyweight and rep-based workouts, 70+ sports activities, GPS distance tracking, and weightlifting logging tools, it’s like having a personal trainer in your pocket. Join our active community—start your fitness journey or link up with our fitness fanatics and compete on the leaderboard! Advanced Heart Rate Feedback & Performance Analysis Connect your Apple Watch or bluetooth LE heart rate monitor for the best experience. Get instant heart rate feedback during your workouts. Log details like reps done and weights used. Check out your heart rate graphs and summary zones. Compare & analyze your performance to really make your breakthrough! ***** This probably means you want to get started right away. We won't stop you—Download Workout Trainer AI and start crushing your fitness goals today! ***** ---------------------------------------------------------------------------------------------------------------- Are you a fitness professional? Sign up to get free access to our innovative training tools and coaching solutions. ---------------------------------------------------------------------------------------------------------------- Workout Trainer uses HealthKit to export your Workout Trainer workouts to Apple's Health app and to read heart rate and biometric data. Optional: Unlock the full experience with a PRO+ membership! Bonus: new subscribers can enjoy a risk-free 2-week trial period. After the trial, your iTunes Account will be billed $9.99 per month. This auto-renewing subscription gives you access to many premium features including AI weekly plans and 1:1 AI trainer chat, as well as 100+ training programs developed by our certified personal trainers. This subscription will automatically renew within 24-hours prior to the end of each billing period and may be managed by going to your iTunes Account Settings after purchase. Privacy Policy: https://www.skimble.com/privacy Terms of Service: https://www.skimble.com/terms

About

OpenBox App

Features
Read full description

Open Box 24/7 es tu aliado para entrenar sin excusas. Con nuestra innovadora app, ahora puedes realizar entrenamientos de crosstraining dónde y cuándo quieras, 24/7, los 365 días del año. Ya no hay barreras para alcanzar tus objetivos de fitness, ya que la app te permite acceder a rutinas y entrenamientos guiados por profesionales experimentados, sin importar tu ubicación. Nuestro espacio físico está ubicado en Arévalo 2915, Cañitas, CABA, Argentina, y cuenta con un salón de más de 100 m² equipado con todo lo necesario para entrenamientos libres. Sin embargo, entendemos que la vida moderna requiere flexibilidad, y es por eso que hemos desarrollado nuestra app para que puedas entrenar en cualquier lugar. Ya sea en casa, en el parque o mientras viajas, nuestra app te acompaña en cada paso de tu camino fitness. En Open Box 24/7, ofrecemos una variedad de clases para todos los niveles y objetivos. Nuestras clases de CrossTraining, HIIT Cardio y sesiones de Open Box están diseñadas para brindarte un entrenamiento completo y desafiante. Durante los horarios de clase, nuestros entrenadores altamente calificados y apasionados guían cada sesión, asegurando que obtengas el máximo beneficio de tu tiempo y esfuerzo. Desde nuestra fundación en marzo de 2022, hemos trabajado incansablemente para crear una comunidad de fitness inclusiva y motivadora. Nuestro objetivo es proporcionarte las herramientas y el apoyo necesarios para que puedas entrenar sin importar las limitaciones de tiempo o lugar. Únete a Open Box 24/7 y descubre cómo nuestra app y nuestras instalaciones pueden ayudarte a transformar tu vida, entrenando dónde y cuándo quieras.

Screenshots

Workout Trainer AI4 screens
OpenBox App4 screens

Verdict

The call

The clearest difference is in-app purchases: OpenBox App at none against Workout Trainer AI's 11. OpenBox App also leads on ads (none vs shown). Workout Trainer AI's advantage is update cadence (monthly vs every 3 months). On price, 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. Workout Trainer AI sells 11 in-app purchases, starting at $6.99 per month. OpenBox App asks for nothing beyond the download.

UpkeepUpdate frequency

Workout Trainer AI ships an update monthly, OpenBox App every 3 months. The most recent releases landed on October 16, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
Workout Trainer AI versus OpenBox App: the parameters behind the verdict, then further details
ParameterWorkout Trainer AIOpenBox App
PriceFreeFree
Rating4.7 (7.7K ratings) — better—
Positive reviews87.8% of reviews—
Number of ratings7.7K — better—
Update frequencyMonthly — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.6 — better17.0
Further details — not scored
Size150 MB67 MB
Age rating9+4+
DeveloperSkimbleTecnologia y Desarrollo Informatico S.R.L.

Bugs and requests

Workout Trainer AI

Reported bugs

3 issues
  • App crashes and freezes
  • Workouts not loading or saving properly
  • Paid subscription not granting full access

Requested features

4 requests
  • Ability to download workouts for offline use
  • More advanced workout tracking and analytics
  • Integration with other fitness apps and devices
  • Customizable voice guidance and music options

OpenBox App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

Workout Trainer AI

Subscriptions3
  • PRO+ Monthly Subscription7 Days trial$6.991 Month
  • Monthly PRO+14 Days trial$9.991 Month
  • Annual PRO+7 Days trial$59.991 Year
One-time8
  • 3 Months PRO Access (60% off!!!)$9.99
  • 6 Pack Toned Abs$9.99
  • Fit, Flex & Fierce$9.99
Show 5 more
  • Slim & Trim Bootcamp$9.99
  • Lose It. Tone It!$9.99
  • Bikini Beach Babe$9.99
  • 1 Year PRO Access (60% off!!!)$19.99
  • 1 Year Membership of PRO+$59.99
None

OpenBox App

No in-app purchases

Questions

Is Workout Trainer AI free?
Workout Trainer AI is free to download, with in-app purchases available.
Is OpenBox App free?
OpenBox App is free to download, with no in-app purchases.
Do Workout Trainer AI or OpenBox App have ads?
Workout Trainer AI shows ads; OpenBox App does not.
Which is updated more often, Workout Trainer AI or OpenBox App?
Workout Trainer AI ships an update monthly, and OpenBox App every 3 months. Most recently, Workout Trainer AI was updated on October 16, 2026 and OpenBox App on September 20, 2026.

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