Comparison

HIIT | Down Dog vs Intervals

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

Head to head
About

HIIT | Down Dog

This app offers dynamic, personalized HIIT workouts with over 1000 exercises to prevent plateaus. Customize workout length, intervals, and focus areas, with options to exclude specific movements. Enjoy motivating music and coach voices, with seamless syncing across devices.

Highlights
  • Over 1000 unique exercises
  • Customizable workout length and intervals
  • Selectable exercise focus areas
  • Exclude unwanted exercises
  • Dynamic music matching workout pace
  • 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

About

Intervals

Design custom interval training routines for high-intensity workouts. This free timer app offers large, clear visuals and audible cues for seamless transitions between exercises. It's ideal for home or outdoor fitness sessions, including Tabata and yoga.

Highlights
  • Custom interval workout creation
  • Large font and contrasting colors
  • Audible interval transition cues
  • Supports Tabata and yoga workouts
  • No account or personal data required
  • Offline workout storage
Features
Read full description

Use HIIT Builder Lite as a free interval timer to manage your High Intensity Interval Training to maximize your fitness. Create custom interval workouts to energize your personal training. The workout is stored on your device. There is no need to create an account. We don’t ask for any personal health data. HIIT Builder Lite is a great interval training app for home workouts or workouts at the park. You can create Tabata workouts or any HIIT workout of your choice. The ability to customize any interval workout to your needs allows you to take control of your fitness using HIIT Builder Lite as an interval timer for high intensity interval training. HIIT Builder Lite can also be used for custom yoga and other custom movement workouts. HIIT Builder Lite uses large fonts and contrasting colors to make it easy to see where you are in an exercise in your interval workout. Interval transitions are easy to see on the user interface. The app also rings bells when switching from one workout interval to the next workout interval. Each interval workout can be completely customized. You can have each exercise interval be the same length or you can modify each interval’s length to get exactly what you need from the exercise. Create as many interval workouts as you want. Download HIIT Builder Lite for a free interval timer. Thoughts, concerns, suggestions? We're always trying to improve. Please email us at info@hiitbuilderapp.com

Screenshots

HIIT | Down Dog4 screens
Intervals4 screens

Verdict

The call

The clearest difference is in-app purchases: Intervals at none against HIIT | Down Dog's 8. Intervals also leads on iOS requirement (12.1 vs 15.0). HIIT | Down Dog's advantage is ads (none vs shown) and update cadence (every 10 days vs every 4 months). On price, rating and device support 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. HIIT | Down Dog sells 5 in-app purchases, starting at $12.99 per month. Intervals 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 HIIT | Down Dog against 5.0 for Intervals. That said, the two scores are not equally well evidenced: HIIT | Down Dog has 48K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

HIIT | Down Dog ships an update every 10 days, Intervals every 4 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
HIIT | Down Dog versus Intervals: the parameters behind the verdict, then further details
ParameterHIIT | Down DogIntervals
PriceFreeFree
Rating4.9 (48K ratings)5.0 (2 ratings) — better
Positive reviews89.1% of reviews—
Number of ratings48K — better2
Update frequencyEvery 10 days — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.1 — better
Further details — not scored
Size101 MB15 MB
Age rating4+12+
DeveloperYoga Buddhi Co.Curtis Wichern

Customer experience

HIIT | Down Dog

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

Intervals

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

Bugs and requests

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

Intervals

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

Intervals

No in-app purchases

Questions

Is HIIT | Down Dog free?
HIIT | Down Dog is free to download, with in-app purchases available.
Is Intervals free?
Intervals is free to download, with no in-app purchases.
Which has better reviews, HIIT | Down Dog or Intervals?
Intervals is rated higher. HIIT | Down Dog averages 4.9 out of 5 from 48K ratings, while Intervals averages 5.0 from 2 ratings.
Do HIIT | Down Dog or Intervals have ads?
Intervals shows ads; HIIT | Down Dog does not.
Which is updated more often, HIIT | Down Dog or Intervals?
HIIT | Down Dog ships an update every 10 days, and Intervals every 4 months. Most recently, HIIT | Down Dog was updated on November 4, 2026 and Intervals on November 3, 2026.

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