# SMSTRETCHING vs IRNBY

The clearest difference is in-app purchases: SMSTRETCHING at none against IRNBY's 26. SMSTRETCHING also leads on update cadence (every 4 days vs fortnightly). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. IRNBY sells 26 one-off in-app purchases. SMSTRETCHING asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SMSTRETCHING against 5.0 for IRNBY. Both are backed by a comparable volume of ratings — 14 and 35 respectively. Written reviews are what separate them: 76% of SMSTRETCHING's written reviews are positive against 79% of IRNBY's.

SMSTRETCHING ships an update every 4 days, IRNBY fortnightly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SMSTRETCHING | IRNBY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/smstretching/id1392690370/reviews)** | [5.0 (35 ratings)](https://appshunter.io/ios/app/irnby/id1484553613/reviews) |
| Number of ratings | 14 | **35** |
| Positive reviews | 75.8% of reviews | **78.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 245 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [smstretching](https://appshunter.io/developer/1566737248) | [Anastasia Mironova](https://appshunter.io/developer/1484553612) |

## What reviewers say

### SMSTRETCHING

[App page](https://appshunter.io/ios/app/smstretching/id1392690370)

Book fitness classes at boutique studios, discover new trainers, and stay updated on promotions. Explore a variety of training styles from stretching and Pilates to barre and dance workouts.

**Highlights:** Book fitness classes, Discover new trainers, Stay updated on promotions, Explore 12 workout directions, Information on studio news

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

**In-app purchases:** none


### IRNBY

[App page](https://appshunter.io/ios/app/irnby/id1484553613)

This app offers a comprehensive approach to fitness and health, combining expert-designed workout programs with personalized meal plans and psychological support. Achieve your goals with video-guided exercises, tailored nutrition for weight loss, gain, or maintenance, and recipes. It focuses on sustainable results and building long-term healthy habits.

**Highlights:** Expert-designed workout programs, Personalized meal plans, Video-guided exercises, Nutrition for weight loss, gain, or maintenance, Over 80 unique recipes, Psychological support, 30-day courses for sustainable results

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (26)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Похудение-Жиросжигание | $2.99 | one-time |
| Здоровая осанка | $29.99 | one-time |
| Жиросжигание I | $39.99 | one-time |
| Фитнес-резинки (полный курс) | $39.99 | one-time |
| Жиросжигание II | $44.99 | one-time |
| Рельефный пресс II | $44.99 | one-time |
| Ограниченные нагрузки I | $44.99 | one-time |
| Ограниченные нагрузки II | $44.99 | one-time |
| Рельефный пресс I | $44.99 | one-time |
| Силовой II | $44.99 | one-time |
| Силовой I | $44.99 | one-time |
| Функциональный I | $44.99 | one-time |
| Антицеллюлитный II | $44.99 | one-time |
| Фитнес-резинки I | $44.99 | one-time |
| Фитнес-резинки II | $44.99 | one-time |
| Для зала I | $44.99 | one-time |
| Антицеллюлитный I | $44.99 | one-time |
| Для зала II | $44.99 | one-time |
| Новичок (полный курс) | $44.99 | one-time |
| Базовый (полный курс) | $47.99 | one-time |
| Домашний круговой(полный курс) | $47.99 | one-time |
| Красивая осанка и гибкая спина | $47.99 | one-time |
| Похудение-Жиросжигание (full) | $47.99 | one-time |
| Продвинутый (полный курс) | $47.99 | one-time |
| Тренировки на низ тела (full) | $47.99 | one-time |
| Тренировки при больных коленях | $47.99 | one-time |


## Frequently asked questions

### Is SMSTRETCHING free?

SMSTRETCHING is free to download, with no in-app purchases.

### Is IRNBY free?

IRNBY is free to download, with in-app purchases available.

### Which has better reviews, SMSTRETCHING or IRNBY?

SMSTRETCHING is rated higher. SMSTRETCHING averages 5.0 out of 5 from 14 ratings, while IRNBY averages 5.0 from 35 ratings.

### Do SMSTRETCHING or IRNBY have ads?

Neither SMSTRETCHING nor IRNBY shows ads.

### Which is updated more often, SMSTRETCHING or IRNBY?

SMSTRETCHING ships an update every 4 days, and IRNBY fortnightly. Most recently, SMSTRETCHING was updated on October 26, 2026 and IRNBY on October 25, 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.*