Comparison

Thrive by Katie vs Fittest Core

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

Head to head
About

Thrive by Katie

This app offers a comprehensive women's fitness and wellness experience with diverse workout programs, simple nutrition guidance, and an exclusive community for support. It caters to various fitness levels and goals, including prenatal and postnatal care, with effective and efficient routines.

Highlights
  • Pilates, strength, and weight loss programs
  • Prenatal & postnatal workouts
  • Home & gym workout options
  • Video demonstrations
  • Activity & progress tracking
  • Healthy recipes with macronutrient breakdowns
  • Exclusive community support
Features
Read full description

Thrive is more than just a workout app—it’s a women’s fitness and wellness community designed to help you become the strongest, healthiest, and most confident version of yourself. Whether you’re into Pilates, strength training, weight loss workouts, or prenatal/postnatal fitness, there’s a program built just for you. You don’t need to spend hours in the gym—every workout is designed to be effective, efficient, and empowering so you can train with confidence and see real results. Workouts for Every Woman - Pilates, Strength Training & Weight Loss Programs to fit your goals - Prenatal & Postnatal Workouts for pregnancy & postpartum recovery - Home & Gym Workouts – Choose what fits your lifestyle - Daily Workout Categories (Upper Body, Lower Body, Abs, No Equipment & More) - Full Video Demonstrations to take the guesswork out of your training - Activity & Progress Tracking to stay motivated Nutrition & Healthy Eating Made Simple - Easy, Delicious Recipes with step-by-step instructions - Macronutrient Breakdowns to support your goals - Daily Featured Meal to keep healthy eating fun and exciting Thrive’s Exclusive Community – Your Support System - Ask questions & connect with Katie and other members - Share your progress, workouts & favorite recipes - Learn from expert guides on fitness, nutrition & wellness topics Ready to Start Your Journey? Join thousands of women worldwide who are thriving! Get started with a 7-day free trial and unlock full access to workouts, meal plans & community support. Download Thrive by Katie today and take the first step toward becoming your best self! Monthly Premium membership is an auto-renewal monthly subscription for $14.99 Yearly Premium membership is an auto-renewal yearly subscription for $114.99. Payment is handled by your iTunes Account. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Terms of Use: https://thrive.web.app/terms_and_conditions Privacy Policy: https://thrive.web.app/privacy_policy

About

Fittest Core

This app offers tailored pre and postnatal workouts designed by a certified trainer to guide women through pregnancy, labor, and postpartum recovery. It includes programs for pelvic floor strength, birth preparation, diastasis recti healing, and progressive muscle building, with weekly content updates and community support.

Highlights
  • Tailored workouts for pregnancy and postpartum
  • Pelvic floor strength and relaxation exercises
  • Diastasis recti healing programs
  • Progressive overload for muscle building
  • Weekly new workout content
  • Supportive community forum
  • Monthly fitness challenges
Features
Read full description

Introducing Fittest Core: Feel Confident in Your Motherhood Fitness Journey Embark on a transformative fitness journey tailored for women at every stage of motherhood with Fittest Core. A comprehensive app, curated by Macy, a seasoned mother of two and a certified pre/postnatal trainer with over a decade of experience, is designed to guide you safely and confidently through the unique challenges of pregnancy, labor, and postpartum recovery. What You’ll Get with Fittest Core: Tailored Workouts for Every Stage: From carefully crafted workouts for all trimesters to specialized exercises targeting pelvic floor strength and relaxation, birth preparation, and early postpartum core rehab, Fittest Core ensures a realistic approach to your fitness during motherhood. Diverse Postpartum Programs: Heal diastasis recti, recover from delivery (both vaginal and cesarean!), and reconnect with your body through postpartum workouts designed to rebuild strength progressively. Macy’s app simplifies the training process, allowing you to focus on your well-being without the added stress. Progressive Overload Programs: Learn how to build muscle with structured progressive overload programs that empower you to achieve your strength and fitness goals after pregnancy. Dynamic Content Updates: Stay motivated and engaged with new workouts added to the gallery weekly. Fittest Core evolves with you, providing fresh challenges and routines to keep your fitness journey exciting and effective! Empowering Community: Connect with a supportive community of like-minded women who share not only your fitness journey, but are going through the peaks and valleys of motherhood, as well. Exchange experiences, seek advice, and celebrate victories together on the path to empowerment. Monthly Challenges: Stay motivated with exciting monthly challenges that inspire you to push boundaries and achieve new milestones in your fitness journey. Macy's Passion, Your Empowerment: Macy, a dedicated mother herself, understands the overwhelming nature of fitness during pregnancy and postpartum. Fittest Core is her brainchild, created to alleviate the stress and uncertainty that often accompanies motherhood fitness. Macy's expertise shines through, having guided thousands of women to feel confident, strong, and empowered in their motherhood journey. Subscription Options: Access the full spectrum of Fittest Core's features by subscribing on a monthly or annual basis. Take control of your fitness journey with a user-friendly app designed to empower women through the incredible phases of motherhood. Fittest Core is more than an app; it's your trusted companion in the pursuit of a healthier, stronger, and more empowered you. Download now to embark on a fitness journey tailored for every stage of motherhood. ▷ Already a Member? Sign-In to access your subscription. ▷ New? Try it for free! Subscribe in the app to get instant access. Fittest Core offers auto-renewing subscriptions. You'll receive unlimited access to content on all your devices. Payment is charged to your Account at confirmation of purchase. Pricing varies by location and is confirmed prior to purchase. Subscription automatically renews each month unless canceled at least 24 hours before the end of the current billing period, or the trial period (when offered). Cancel anytime in Account Settings. For more information see our: -Terms of Service: https://videos.fittestcore.com/pages/terms-of-service -Privacy Policy: https://videos.fittestcore.com/pages/privacy-policy

Screenshots

Thrive by Katie4 screens
Fittest Core3 screens

Verdict

The call

The clearest difference is update cadence: Thrive by Katie at weekly against Fittest Core's monthly. Thrive by Katie also leads on ratings volume (432 vs 104). On price, rating, review sentiment and ads 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. Thrive by Katie sells 6 in-app purchases, starting at $12.99 per month and Fittest Core sells 4 in-app purchases, starting at $34.99 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 — 4.9 for Thrive by Katie against 4.9 for Fittest Core. Both are backed by a comparable volume of ratings — 432 and 104 respectively. Written reviews are what separate them: 100% of Thrive by Katie's written reviews are positive against 96% of Fittest Core's.

UpkeepUpdate frequency

Thrive by Katie ships an update weekly, Fittest Core monthly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
Thrive by Katie versus Fittest Core: the parameters behind the verdict, then further details
ParameterThrive by KatieFittest Core
PriceFreeFree
Rating4.9 (432 ratings) — better4.9 (104 ratings)
Positive reviews100.0% of reviews — better95.7% of reviews
Number of ratings432 — better104
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionSubscription
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.0 — better16.0
Further details — not scored
Size417 MB67 MB
Age rating4+4+
DeveloperKatharine YovinMacy Conger

Customer experience

Thrive by Katie

All ratings427 ratings
Positive99.1%
Neutral0.7%
Negative0.2%
Written reviews86 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Fittest Core

All ratings101 ratings
Positive97.0%
Neutral2.0%
Negative1.0%
Written reviews46 reviews
Positive95.7%
Neutral4.3%
Negative0.0%

Bugs and requests

Thrive by Katie

Not enough reviews yet to summarise bugs or requests.

Fittest Core

Reported bugs

2 issues
  • Sound quality issues in some videos
  • Videos are too slow and too fast simultaneously

Requested features

3 requests
  • App checks off completed workouts
  • Ability to mark completed workouts
  • Timers and titles within workout videos

In-app purchases

6 purchases

Thrive by Katie

Subscriptions6
  • Monthly Subscription$12.991 Month
  • Monthly Subscription7 Days trial$24.991 Month
  • Monthly Subscription7 Days trial$34.991 Month
Show 3 more
  • Yearly Subscription$114.991 Year
  • Yearly Subscription7 Days trial$189.991 Year
  • Annual Subscription7 Days trial$229.991 Year
4 purchases

Fittest Core

Subscriptions4
  • Fittest Core Monthly7 Days trial$34.991 Month
  • Monthly7 Days trial$34.991 Month
  • Fittest Core Yearly7 Days trial$299.991 Year
Show 1 more
  • Annual7 Days trial$299.991 Year

Questions

Is Thrive by Katie free?
Thrive by Katie is free to download, with in-app purchases available.
Is Fittest Core free?
Fittest Core is free to download, with in-app purchases available.
Which has better reviews, Thrive by Katie or Fittest Core?
Thrive by Katie is rated higher. Thrive by Katie averages 4.9 out of 5 from 432 ratings, while Fittest Core averages 4.9 from 104 ratings.
Do Thrive by Katie or Fittest Core have ads?
Neither Thrive by Katie nor Fittest Core shows ads.
Which is updated more often, Thrive by Katie or Fittest Core?
Thrive by Katie ships an update weekly, and Fittest Core monthly. Most recently, Thrive by Katie was updated on October 25, 2026 and Fittest Core on October 27, 2026.

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