Vibrant Strength vs STRONG BY IZZY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vibrant Strength
This app offers expert-led fitness programs designed by a Doctor of Physical Therapy. It focuses on strength building, bone density improvement, prenatal and postpartum fitness, and women's health, with new content added weekly.
- Science-backed strength programs
- Prenatal & postpartum fitness
- Perimenopause & menopause support
- On-demand workout videos
- Pelvic floor & women's health education
- Weekly content updates
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Vibrant Strength: Empower Your Fitness Journey Take charge of your fitness and wellness with Vibrant Strength, the app designed by Dr. Jessica Chellsen, PT, DPT, CSCS, a Doctor of Physical Therapy and pelvic floor specialist. Whether you’re looking to build strength, improve bone density, lose weight, stay active during pregnancy, or recover postpartum Vibrant Strength offers expert-led programs tailored to your needs. What You’ll Get: • Science-Backed Strength Programs: Build lean muscle and improve bone density with at-home workouts using dumbbells and bands. Follow along with the weekly workout plan! • Prenatal & Postpartum Fitness: Train safely during pregnancy and recover effectively postpartum with programs designed to support your pelvic floor and prevent pain. • Support for Perimenopause & Menopause: Maintain strength, manage symptoms, and improve overall wellness with targeted programs designed for this stage of life. • On-Demand Workouts: Access pre-made workout plans and a growing library of on demand videos. • Pelvic Floor & Women’s Health Education: Learn about pelvic floor health, weightlifting for women, perimenopause and menopause, and pregnancy/postpartum care. • Weekly Updates: Stay motivated with new content added every week. Why Vibrant Strength? Designed for women by a Doctor of Physical Therapy and pelvic floor specialist, this app empowers you to feel strong, confident, and pain-free—no matter where you are in your fitness journey. Download Vibrant Strength today and start building the vibrant, strong body you deserve!
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.
- Strength-based Pilates workouts
- Structured training programs
- Heavy dumbbell sessions
- Sculpt focused classes
- Progressive workout challenges
- Supportive community
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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
Verdict
The clearest difference is in-app purchases: Vibrant Strength at none against STRONG BY IZZY's 8. STRONG BY IZZY's advantage is ratings volume (184 vs 4) and update cadence (every 3 months vs every 10 months). 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
Both are free to download. STRONG BY IZZY sells 8 in-app purchases, starting at $34.99 per month. Vibrant Strength asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Vibrant Strength against 4.9 for STRONG BY IZZY. That said, the two scores are not equally well evidenced: STRONG BY IZZY has 184 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 100% of Vibrant Strength's written reviews are positive against 97% of STRONG BY IZZY's.
Vibrant Strength ships an update every 10 months, STRONG BY IZZY every 3 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | Vibrant Strength | STRONG BY IZZY |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.9 (184 ratings) |
| Positive reviews | 100.0% of reviews — better | 96.6% of reviews |
| Number of ratings | 4 | 184 — better |
| Update frequency | Every 10 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 16.6 |
| Further details — not scored | ||
| Size | 122 MB | 105 MB |
| Age rating | 12+ | 4+ |
| Developer | Sutra Fitness, Inc. | Izzy Samuel Pty lTD |
Customer experience
Vibrant Strength
STRONG BY IZZY
In-app purchases
Vibrant Strength
No in-app purchases
STRONG BY IZZY
- STRONG BY IZZY Monthly$34.991 Month
- STRONG BY IZZY Yearly$349.991 Year
- STRONG BY IZZY - 3499$34.99
- STRONG BY IZZY - 4499$44.99
- STRONG BY IZZY - 6499$64.99
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- STRONG BY IZZY - 7499$74.99
- STRONG BY IZZY - 8499$84.99
- STRONG BY IZZY - 9999$99.99
Questions
Is Vibrant Strength free?
Is STRONG BY IZZY free?
Which has better reviews, Vibrant Strength or STRONG BY IZZY?
Do Vibrant Strength or STRONG BY IZZY have ads?
Which is updated more often, Vibrant Strength or STRONG BY IZZY?
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