Comparison

FK Body vs STRONG BY IZZY

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

Head to head
About

FK Body

This fitness app offers a holistic approach to well-being, combining strength training, sculpting workouts, and mental fitness exercises. It also provides healthy recipes and fosters a supportive community for users to connect and grow.

Highlights
  • Weekly sculpt workouts
  • Weekly strength training
  • On-demand workouts
  • Healthy recipes
  • Exclusive community events
  • Integrated mental fitness
Features
Read full description

FK Body: A workout for your body and your mind - from anywhere, anytime. Get ready to unleash your strongest, most confident self with FK Body - the fitness app that transforms both body and mind through powerful workouts, nourishing recipes, and an exclusive community experience. WHAT MAKES FK BODY DIFFERENT: • 2 new sculpt workouts released weekly to keep your routine fresh and challenging • 1 strength training session per week to build power and definition • On-demand format lets you work out anywhere, anytime - minimal equipment needed for most sessions • Healthy, delicious recipes updated regularly to fuel your transformation • Exclusive pop-up events for members to connect, learn and grow together • Mental fitness components integrated into every workout Whether you have 15 minutes or an hour, FK Body workouts fit seamlessly into your busy life. FK the excuses - it's time for results. Join our community today and discover what happens when you prioritize your body, mind, and overall wellbeing with FK Body.

About

STRONG BY IZZY

This platform offers structured, intelligent movement programs focused on building strength, control, and long-term results through strength-based Pilates. It provides a growing library of workouts, structured programs, and a supportive community for those seeking discipline and effective training.

Highlights
  • Strength-based Pilates workouts
  • Structured training programs
  • Heavy dumbbell sessions
  • Sculpt focused classes
  • Progressive workout challenges
  • Supportive community
Read full description

TRANSFORM YOUR BODY. EMPOWER YOUR MIND. STRONG is a strength based Pilates platform designed to build strength, control, and long term results through structured, intelligent movement. STRONG is built on precision, progression, and consistency, combining strength focused Pilates with intentional programming that challenges your body without burning it out. Every session is designed to improve strength, stability, coordination, and total body control. Expect intelligent sequencing, time under tension, and purposeful repetition that compounds over time. Training is guided, continuous, and methodical, allowing you to move with confidence while building a resilient, capable body. STRONG is for those who want more than quick fixes. It’s for people who value structure, discipline, and training that works. Inside STRONG, you’ll find: • A growing library of strength based Pilates workouts across six distinct class styles. • Training that includes heavy dumbbell sessions, sculpt focused classes, and more. • Structured programs, challenges, and weekly schedules to guide your training. • Long, continuous sessions designed for focus, flow, and progression. • Intelligent programming that supports sustainable results over time. • A supportive, motivating community that trains with purpose and consistency. Whether you’re training at home or seeking a more intentional approach to movement, STRONG provides the structure, guidance, and environment to help you stay consistent, build strength, and move better over time. To access all features and content you can subscribe to STRONG BY IZZY on a monthly or yearly basis with an auto-renewing subscription right inside the app.* Pricing can vary by region and will be confirmed before purchase in the app. In app subscriptions will automatically renew at the end of their cycle. All payments will be paid through your iTunes Account and may be managed under Account Settings after the initial payment. Subscription payments will automatically renew unless deactivated at least 24-hours before the end of the current cycle. Your account will be charged for renewal at least 24-hours prior to the end of the current cycle. Cancellations are incurred by disabling auto-renewal. Terms of Service: https://www.strongbyizzy.com/tos Privacy Policy: https://www.strongbyizzy.com/privacy

Screenshots

FK Body4 screens
STRONG BY IZZY4 screens

Verdict

The call

The clearest difference is rating: STRONG BY IZZY at 4.9 against FK Body's 4.2. STRONG BY IZZY also leads on review sentiment (97% vs 69%) and update cadence (every 3 months vs every 8 months). FK Body's advantage is in-app purchases (none vs 8). On price, ads, device support and iOS requirement 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. STRONG BY IZZY sells 8 in-app purchases, starting at $34.99 per month. FK Body asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

STRONG BY IZZY holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: STRONG BY IZZY has 184 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 69% of FK Body's written reviews are positive against 97% of STRONG BY IZZY's.

UpkeepUpdate frequency

FK Body ships an update every 8 months, STRONG BY IZZY every 3 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
FK Body versus STRONG BY IZZY: the parameters behind the verdict, then further details
ParameterFK BodySTRONG BY IZZY
PriceFreeFree
Rating4.2 (27 ratings)4.9 (184 ratings) — better
Positive reviews68.8% of reviews96.6% of reviews — better
Number of ratings27184 — better
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better16.6
Further details — not scored
Size121 MB105 MB
Age rating12+4+
DeveloperSutra Fitness, Inc.Izzy Samuel Pty lTD

Customer experience

FK Body

All ratings27 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews16 reviews
Positive68.8%
Neutral0.0%
Negative31.3%

STRONG BY IZZY

All ratings157 ratings
Positive96.8%
Neutral0.6%
Negative2.5%
Written reviews89 reviews
Positive96.6%
Neutral1.1%
Negative2.2%

In-app purchases

None

FK Body

No in-app purchases

8 purchases

STRONG BY IZZY

Subscriptions2
  • STRONG BY IZZY Monthly$34.991 Month
  • STRONG BY IZZY Yearly$349.991 Year
One-time6
  • STRONG BY IZZY - 3499$34.99
  • STRONG BY IZZY - 4499$44.99
  • STRONG BY IZZY - 6499$64.99
Show 3 more
  • STRONG BY IZZY - 7499$74.99
  • STRONG BY IZZY - 8499$84.99
  • STRONG BY IZZY - 9999$99.99

Questions

Is FK Body free?
FK Body is free to download, with no in-app purchases.
Is STRONG BY IZZY free?
STRONG BY IZZY is free to download, with in-app purchases available.
Which has better reviews, FK Body or STRONG BY IZZY?
STRONG BY IZZY is rated higher. FK Body averages 4.2 out of 5 from 27 ratings, while STRONG BY IZZY averages 4.9 from 184 ratings.
Do FK Body or STRONG BY IZZY have ads?
Neither FK Body nor STRONG BY IZZY shows ads.
Which is updated more often, FK Body or STRONG BY IZZY?
FK Body ships an update every 8 months, and STRONG BY IZZY every 3 months. Most recently, FK Body was updated on October 24, 2026 and STRONG BY IZZY on October 31, 2026.

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