Comparison

CHIZL vs THREE15 STUDIO

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

Head to head
About

CHIZL

This app offers a comprehensive fitness solution by combining personalized workout plans, custom meal plans, and supplement recommendations. Track your progress, engage with coaches and communities, and connect with wearable devices for a holistic approach to health.

Highlights
  • Weekly training plans
  • Workout tracking
  • Exercise video demos
  • Meal tracking
  • Habit tracking
  • Goal setting and progress tracking
  • Real-time coach messaging
  • Digital communities
Features
Read full description

The CHIZL App is your single source fitness solution combining Workouts, Meal Plans, & Supplements designed specifically to help you reach your fitness and health goals – all in one app. FEATURES: - Access to weekly training plans - Ability to track workouts - Follow along to exercise and workout videos - Track your meals and make better food choices - Stay on top of your daily habits - Set health and fitness goals and track progress towards your goals - Gain milestone badges for achieving new personal bests and maintaining habit streaks - Message your coach in real-time - Be part of digital communities to meet people with similar health goals and stay motivated - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect your Apple Watch to track workouts, steps, habits, and more right from your wrist - Connect to other wearable devices and apps like the Apple Health App, Garmin, Fitbit, MyFitnessPal, and Withings devices to track workouts, sleep, nutrition, and body stats and composition We provide the most valuable fitness solution, curated by real trainers with over 30 years of experience. CHIZL combines well-designed weekly gym and home video workouts, custom meal plans based on your target weight, along with personalized supplement recommendations, integrated into one single app. WORKOUT options: - Both GYM and HOME Workouts - New 5-day workouts loaded weekly. - Sculpt every muscle group weekly. - 350+ video demos mixing Stretching, Sculpting, Strength, Cardio, & High-Intensity Interval Training. - 2-way in-app messaging for questions. - Connect to FitBit, MyFitnessPal, & AppleWatch MEAL PLAN options: - Smart Meal Plans are a full-scale, interactive, customized plans loaded on the Chizl App. We offer options for everyone...Balanced, Paleo, Low-Carb, Low-Fat, High Protein, Vegan, Vegetarian, and Pescatarian plans. You can scroll through the meals by day as well as click on a meal to see the serving information, ingredients, and even video cooking instructions! If you'd like to change a meal, simply click a button to choose from hundreds of options already calculated to your exact macros. - Our entry-level Meal Plan PDF gives you 3 full days of meals (3 different meals + 2 snacks each day), based on the exact macros you need to reach the goal weight you filled out in your profile. SUPPLEMENT options: - Personalized supplement recommendations based on life stage, biology, lifestyle, and health goals... Improving your fitness has never been easier. Download CHIZL and take charge of your health!

About

THREE15 STUDIO

This app offers a variety of fitness classes combining cycling, barre, and strength training. Explore different class lengths and formats designed for all fitness levels, from beginner to advanced.

Highlights
  • Rhythm-based cycling
  • Barre workouts
  • Strength training
  • Full body stretching
  • Beginner-friendly classes
  • Extended and condensed class options
Features
Read full description

THREE15 THREE15 is our 55 minute signature class that combines 15 minutes of rhythm-based cycling, 15 minutes of barre and 15 minutes of strength work. We start each class with a warm-up on the bike and finish each class with a full body stretch. RIDE45 RIDE45 ride is a 45 minute rhythm-based cycle only class that incorporates the THREE15 method focusing on legs for 15 minutes, arms for 15 minutes and your core for 15 minutes. BONUS RIDE BONUS RIDE is a 75 minute class that combines our signature THREE15 class with the addition of a 20 minute “bonus” ride on the bike. THIRTY5 THIRTY5 is a 35 minute class that is a condensed version of our signature THREE15 class. It is a class that was created to give clients all of the burn of a signature class in a shorter amount of time. BASIC Basic is a class that we encourage all of our new clients to attend to gain a better understanding of the THREE15 method. This 45 minute class is a slower paced version of our signature THREE15 class that will help you perfect your form. STRENGTH45 STRENGTH45 is a 45 minute rhythm-based class that begins on the bike followed by strength training on the floor with heavier weights. EXTEND45 EXTEND45 is a 45 minute class focused on stretching, flexibility, and mobility while improving overall strength.

Screenshots

CHIZL4 screens
THREE15 STUDIO4 screens

Verdict

The call

The clearest difference is monetization model: CHIZL at free against THREE15 STUDIO's ad-supported. CHIZL also leads on device support (4 vs 1). THREE15 STUDIO's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (65 vs 8). On price, rating, ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for CHIZL against 5.0 for THREE15 STUDIO. That said, the two scores are not equally well evidenced: THREE15 STUDIO has 65 ratings behind it against 8, so its average is the more settled of the two.

UpkeepUpdate frequency

CHIZL ships an update every 2 months, THREE15 STUDIO every 3 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
CHIZL versus THREE15 STUDIO: the parameters behind the verdict, then further details
ParameterCHIZLTHREE15 STUDIO
PriceFreeFree
Rating5.0 (8 ratings)5.0 (65 ratings)
Positive reviews100.0% of reviews—
Number of ratings865 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS15.5 — better16.0
Further details — not scored
Size188 MB38 MB
Age rating4+4+
DeveloperCobia Corporation LLCTHREE 15, LLC

Customer experience

CHIZL

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

THREE15 STUDIO

All ratings65 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CHIZL

No in-app purchases

None

THREE15 STUDIO

No in-app purchases

Questions

Is CHIZL free?
CHIZL is free to download, with no in-app purchases.
Is THREE15 STUDIO free?
THREE15 STUDIO is free to download, with no in-app purchases.
Which has better reviews, CHIZL or THREE15 STUDIO?
CHIZL and THREE15 STUDIO are both rated 5.0 out of 5 on the App Store, from 8 and 65 ratings respectively.
Do CHIZL or THREE15 STUDIO have ads?
Neither CHIZL nor THREE15 STUDIO shows ads.
Which is updated more often, CHIZL or THREE15 STUDIO?
CHIZL ships an update every 2 months, and THREE15 STUDIO every 3 weeks. Most recently, CHIZL was updated on October 14, 2026 and THREE15 STUDIO on October 10, 2026.

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