Comparison

Define. vs Studio KSL by Katrina Scott

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

Head to head
About

Define.

This app offers a variety of workouts designed by fitness experts to create a balanced approach to exercise and overall health. It provides live and on-demand classes, with new content added weekly, suitable for all fitness levels.

Highlights
  • Variety of workouts
  • Live and on-demand classes
  • New classes added weekly
  • Workouts 30 minutes or less
  • Suitable for all fitness levels
  • Balanced approach to health
Features
Read full description

Define was created by fitness experts Jo and Jacqs of Sweat and Tell to offer workouts you can do anytime, anywhere. This app is designed to create a balanced approach to exercise and your overall health and wellness routine. Define is an all access app that offers five new follow along workouts each week, a weekly live community workout & a robust on demand library. Each workout is uniquely designed to sculpt and tone while developing a stronger mind-body connection. Whatever your fitness level, you will feel supported, connected and empowered as we guide you through each movement.

About

Studio KSL by Katrina Scott

This app offers a comprehensive health and fitness experience with a certified personal trainer. Access a wide variety of on-demand and live workouts, mindfulness practices, and wellness programs. Connect with a supportive community and track your progress with personalized schedules and goal-setting tools.

Highlights
  • New workouts weekly
  • Extensive on-demand workout library
  • Live studio classes
  • Community connection features
  • Personalized fitness programs
  • Offline workout viewing
  • Goal setting and journaling
Features
Read full description

Welcome to Studio KSL with your trainer, Katrina Scott— the ultimate health and fitness app empowering you through movement, mindfulness, and connection. Katrina Scott is a NCCA Accredited NASM Certified Personal Trainer and offers strength training, yoga sculpt, cardio workouts, pregnancy routines, meditations, and wellness programs with her signature pillars: Kinetics, Strength, and Longevity. STUDIO KSL FEATURES: New Workouts Every Week to Keep You Motivated You’ll always have fresh new classes to look forward to at Studio KSL Extensive On-Demand Workout Library   Workout anytime, anywhere! Choose from Strength Training, Yoga Sculpt, Stretching, Cardio, Meditations, Pregnancy, and MORE! Live Studio Classes  Join Katrina and other members live and stream studio classes in real-time. All classes are recorded and available on-demand Exclusive Access to 'Studio Connect' Access an intimate community space for meaningful connection and friendship. Includes Member Groups, Messaging, and Support Weekly Schedule & Monthly Calendars You’ll know exactly what to do each week with tailored fitness schedules Fitness Programs Aligned with your Goals   Join fitness programs designed and catered to specific life chapters and goals KSL Sessions; Bonus Feature- Complete Guided Circuits, Stretching, & Cardio Workouts while listening to your own music or a podcast. Great for the gym or travel Goal Setting, Journal Reflections, and Mindfulness  Set goals, track your progress, and journal each day within your built-in calendar Custom Search Search by body focus, class type and duration Flexible Music & Non-Music Options Elevate your workout experience by integrating your favorite tunes. Studio KSL syncs seamlessly with your accounts on Spotify or Apple Music, giving you the freedom to choose your perfect playlist Workout Anywhere, Anytime Studio KSL makes staying active simple and seamless, no matter where you are. Stream workouts effortlessly from any device, whether you're at home, traveling, or in the gym. Your fitness routine is always within reach. Plus, we know that wifi isn't always possible—that's why Studio KSL offers offline viewing. Download your favorite sessions within the app in advance and keep your momentum going, even without internet access. Accessibility Enable closed-captions to enhance accessibility. Great for users who are deaf or hard of hearing FITNESS PROGRAMS: Signature KSL Program Get ready to feel strong and empowered for 8 weeks! This program includes a powerful combination of strength training, yoga, cardio, meditations, and sculpting workouts. You're going to see and feel incredible results from this program. KSL Pregnancy Program The Pregnancy Program is your ultimate 34-week guide to staying strong, supported, and connected throughout every stage of pregnancy. With trimester-specific workouts, mindfulness practices, and weekly check-ins and resources from your trainer, this program is designed to nurture both you and your growing baby. A LETTER FROM YOUR TRAINER I'm so grateful that we're connected! My passion is in kinetics, wellness, and helping women achieve strength and overall wellness. I love teaching and continuing to learn about health, fitness, and nutrition so I can best support you in every aspect of your life. My greatest honor is being your trainer. I can’t wait to see you thrive as we work together to achieve your goals through movement, strength, and longevity. Sincerely, Katrina Scott Bachelor's Degree, Health Science NCCA Accredited NASM Certified Personal Trainer  Women’s Fitness Specialist | Prenatal & Postnatal NASM Certified Nutrition Coach Your fitness journey starts here. Download Studio KSL today! Terms & Conditions: https://shop.studioksl.com/pages/terms-conditions Privacy Policy: https://shop.studioksl.com/pages/privacy-policy

Screenshots

Define.4 screens
Studio KSL by Katrina Scott4 screens

Verdict

The call

The clearest difference is rating: Studio KSL by Katrina Scott at 4.9 against Define.'s 4.3. Studio KSL by Katrina Scott also leads on review sentiment (97% vs 63%) and ratings volume (200 vs 12). Define.'s advantage is in-app purchases (none vs 4). On price, update cadence, ads 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. Studio KSL by Katrina Scott sells 4 in-app purchases, starting at $27.99 per month. Define. asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Studio KSL by Katrina Scott holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: Studio KSL by Katrina Scott has 200 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 63% of Define.'s written reviews are positive against 97% of Studio KSL by Katrina Scott's.

UpkeepUpdate frequency

Define. ships an update monthly, Studio KSL by Katrina Scott every 3 weeks. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Define. versus Studio KSL by Katrina Scott: the parameters behind the verdict, then further details
ParameterDefine.Studio KSL by Katrina Scott
PriceFreeFree
Rating4.3 (12 ratings)4.9 (200 ratings) — better
Positive reviews62.5% of reviews96.6% of reviews — better
Number of ratings12200 — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size121 MB120 MB
Age rating12+4+
DeveloperSutra Fitness, Inc.Katrina Scott

Customer experience

Define.

All ratings12 ratings
Positive75.0%
Neutral8.3%
Negative16.7%
Written reviews8 reviews
Positive62.5%
Neutral12.5%
Negative25.0%

Studio KSL by Katrina Scott

All ratings200 ratings
Positive97.0%
Neutral1.0%
Negative2.0%
Written reviews145 reviews
Positive96.6%
Neutral1.4%
Negative2.1%

Bugs and requests

Define.

Not enough reviews yet to summarise bugs or requests.

Studio KSL by Katrina Scott

Reported bugs

1 issue
  • Occasional app crashes or freezes

Requested features

2 requests
  • Dark mode option
  • More advanced analytics and progress tracking

In-app purchases

None

Define.

No in-app purchases

4 purchases

Studio KSL by Katrina Scott

Subscriptions4
  • Monthly Membership7 Days trial$27.991 Month
  • Annual Membership7 Days trial$159.001 Year
  • $159 annual7 Days trial$159.001 Year
Show 1 more
  • Annual Membership - Standard Price7 Days trial$199.001 Year

Questions

Is Define. free?
Define. is free to download, with no in-app purchases.
Is Studio KSL by Katrina Scott free?
Studio KSL by Katrina Scott is free to download, with in-app purchases available.
Which has better reviews, Define. or Studio KSL by Katrina Scott?
Studio KSL by Katrina Scott is rated higher. Define. averages 4.3 out of 5 from 12 ratings, while Studio KSL by Katrina Scott averages 4.9 from 200 ratings.
Do Define. or Studio KSL by Katrina Scott have ads?
Neither Define. nor Studio KSL by Katrina Scott shows ads.
Which is updated more often, Define. or Studio KSL by Katrina Scott?
Define. ships an update monthly, and Studio KSL by Katrina Scott every 3 weeks. Most recently, Define. was updated on October 24, 2026 and Studio KSL by Katrina Scott on October 24, 2026.

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