Comparison

Workout Trainer AI vs HIIT | Down Dog

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

HIIT | Down Dog

This app offers a dynamic high-intensity interval training (HIIT) experience with over 1000 unique exercises, ensuring you never do the same workout twice. It's beginner-friendly with customizable workout lengths, exercise types, and music to keep you motivated and prevent plateaus.

Highlights
  • Over 1000 unique exercises
  • Customizable workout length and intervals
  • Selectable exercise categories (upper body, core, etc.)
  • Preset and custom workout mixes
  • Dynamic music matching workout intensity
  • Choice of coach voices
  • Syncs across devices
Features
Read full description

With pre-recorded videos, you get bored, and so do your muscles! Avoid the dreaded workout plateau and get ripped with HIIT. With over 1000+ different exercises, you’ll never get the same workout twice! BEGINNER FRIENDLY If you’re brand new to HIIT, Level 0 is the perfect place to start! Use your own body weight to get your heart rate up and efficiently burn fat while building muscle - no fancy props required. Our high definition videos and clear instructions guide you through each HIIT exercise. It’s like having your own personal trainer! BUILD THE WORKOUT YOU WANT Set the total length of your workout Tailor the length of your Exercise Length and Recovery intervals Choose from 4 different levels of Upper Body, Lower Body, and Core to get exercises that challenge you MIX FEATURE Choose from presets like Leg Day, Cardio Killer, Total Body - No Jumps, or our favorite, Bringing Sexy Back, or create your own mix of aerobic, core, glutes, legs and upper body Exclude exercises that don’t work for you: Sore wrists? Say goodbye to table tops and planks. Tired of burpees? No problem, you’ll never have to hop back again. DYNAMIC CHANGING MUSIC Pick the type of music that gets you hyped, and we supply beats that match your movement and help you push hard to the last second of each interval. CHOOSE YOUR VOICE Select your favorite coach to keep you motivated as you sweat. SYNC BETWEEN DEVICES Automatically syncs across all your devices. Integrates with the Apple Health app! Down Dog's terms and conditions can be found at https://www.downdogapp.com/terms Down Dog's privacy policy can be found at https://www.downdogapp.com/privacy

Screenshots

Workout Trainer AI4 screens
HIIT | Down Dog4 screens

Verdict

The call

The clearest difference is monetization model: Workout Trainer AI at free with in-app purchases against HIIT | Down Dog's subscription. HIIT | Down Dog's advantage is ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price, rating, review sentiment 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. Workout Trainer AI sells 11 in-app purchases, starting at $6.99 per month and HIIT | Down Dog sells 5 in-app purchases, starting at $12.99 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 — 4.7 for Workout Trainer AI against 4.9 for HIIT | Down Dog. That said, the two scores are not equally well evidenced: HIIT | Down Dog has 48K ratings behind it against 7.7K, so its average is the more settled of the two. Written reviews are what separate them: 88% of Workout Trainer AI's written reviews are positive against 89% of HIIT | Down Dog's.

UpkeepUpdate frequency

Workout Trainer AI ships an update monthly, HIIT | Down Dog every 2 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Workout Trainer AI versus HIIT | Down Dog: the parameters behind the verdict, then further details
ParameterWorkout Trainer AIHIIT | Down Dog
PriceFreeFree
Rating4.7 (7.7K ratings)4.9 (48K ratings) — better
Positive reviews87.8% of reviews89.1% of reviews — better
Number of ratings7.7K48K — better
Update frequencyMonthlyEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.615.0 — better
Further details — not scored
Size150 MB100 MB
Age rating9+4+
DeveloperSkimbleYoga Buddhi Co.

Customer experience

Workout Trainer AI

All ratings7,673 ratings
Positive95.2%
Neutral2.7%
Negative2.1%
Written reviews1,220 reviews
Positive87.8%
Neutral4.7%
Negative7.5%

HIIT | Down Dog

All ratings48,358 ratings
Positive98.1%
Neutral1.4%
Negative0.5%
Written reviews550 reviews
Positive89.1%
Neutral4.7%
Negative6.2%

User reviews

Workout Trainer AI

From 7.7K App Store ratings

What we love

  • 🚀 Wide range of workouts
  • 👍 Variety of exercises
  • 👍 Customizable workouts
  • 👍 Motivating voice guidance
  • 👍 Tracks progress and calories

Room to improve

  • 🐛 Syncing issues with Apple Watch
  • 🐛 Subscription issues and lack of customer support
  • 🔒 Privacy concerns with required account creation
  • 👎 Overwhelming number of options can be confusing
  • 👎 Repetitive and uninspiring voice guidance

HIIT | Down Dog

From 48K App Store ratings

What we love

  • 🏃🏼‍➡️ Excellent programs
  • 👍 Highly customizable workouts
  • 🤩 Motivating trainers and music
  • 🙌 Affordable and accessible
  • 💪 Effective for building strength and fitness

Room to improve

  • 🐛 App crashes and connection issues
  • 🤔 Exercises can be overly complicated for beginners
  • 🔇 Music volume issues
  • 🤕 Concerns about potential injuries from certain exercises

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

HIIT | Down Dog

Reported bugs

3 issues
  • App freezing and crashing
  • Connectivity problems
  • Inconsistent workout experiences

Requested features

6 requests
  • Preview of upcoming exercises
  • Warm-up and cool-down options
  • Ability to exclude certain exercises
  • More detailed exercise instructions and form cues
  • Offline workout downloads
Show 1 more
  • Integration with fitness tracking devices

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
5 purchases

HIIT | Down Dog

Subscriptions5
  • HIIT Subscription$12.991 Month
  • All Access Subscription2 variants$12.991 Month
  • HIIT Subscription$99.991 Year
Show 2 more
  • All Access Subscription3 variants$99.991 Year
  • All Access Subscription$119.991 Year

Questions

Is Workout Trainer AI free?
Workout Trainer AI is free to download, with in-app purchases available.
Is HIIT | Down Dog free?
HIIT | Down Dog is free to download, with in-app purchases available.
Which has better reviews, Workout Trainer AI or HIIT | Down Dog?
HIIT | Down Dog is rated higher. Workout Trainer AI averages 4.7 out of 5 from 7.7K ratings, while HIIT | Down Dog averages 4.9 from 48K ratings.
Do Workout Trainer AI or HIIT | Down Dog have ads?
Workout Trainer AI shows ads; HIIT | Down Dog does not.
Which is updated more often, Workout Trainer AI or HIIT | Down Dog?
Workout Trainer AI ships an update monthly, and HIIT | Down Dog every 2 weeks. Most recently, Workout Trainer AI was updated on October 27, 2026 and HIIT | Down Dog on October 28, 2026.

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