# Vibrant Strength vs STRONG BY IZZY

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.

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.

## The numbers

| Metric | Vibrant Strength | STRONG BY IZZY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/vibrant-strength/id6738589853/reviews)** | [4.9 (184 ratings)](https://appshunter.io/ios/app/strong-by-izzy/id6758650816/reviews) |
| Number of ratings | 4 | **184** |
| Positive reviews | **100.0% of reviews** | 96.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 122 MB | 105 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) | [Izzy Samuel Pty lTD](https://appshunter.io/developer/1874201670) |

## What reviewers say

### Vibrant Strength

[App page](https://appshunter.io/ios/app/vibrant-strength/id6738589853)

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.

**Highlights:** Science-backed strength programs, Prenatal & postpartum fitness, Perimenopause & menopause support, On-demand workout videos, Pelvic floor & women's health education, Weekly content updates

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### STRONG BY IZZY

[App page](https://appshunter.io/ios/app/strong-by-izzy/id6758650816)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STRONG BY IZZY Monthly | $34.99 | per month |
| STRONG BY IZZY Yearly | $349.99 | per year |
| STRONG BY IZZY - 3499 | $34.99 | one-time |
| STRONG BY IZZY - 4499 | $44.99 | one-time |
| STRONG BY IZZY - 6499 | $64.99 | one-time |
| STRONG BY IZZY - 7499 | $74.99 | one-time |
| STRONG BY IZZY - 8499 | $84.99 | one-time |
| STRONG BY IZZY - 9999 | $99.99 | one-time |


## Frequently asked questions

### Is Vibrant Strength free?

Vibrant Strength 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, Vibrant Strength or STRONG BY IZZY?

Vibrant Strength is rated higher. Vibrant Strength averages 5.0 out of 5 from 4 ratings, while STRONG BY IZZY averages 4.9 from 184 ratings.

### Do Vibrant Strength or STRONG BY IZZY have ads?

Neither Vibrant Strength nor STRONG BY IZZY shows ads.

### Which is updated more often, Vibrant Strength or STRONG BY IZZY?

Vibrant Strength ships an update every 10 months, and STRONG BY IZZY every 3 months. Most recently, Vibrant Strength was updated on October 24, 2026 and STRONG BY IZZY on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*