# IRNBY vs Kolsa

The clearest difference is in-app purchases: Kolsa at none against IRNBY's 26. Kolsa also leads on review sentiment (92% vs 79%). IRNBY's advantage is update cadence (fortnightly vs every 6 weeks). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for IRNBY against 5.0 for Kolsa. Both are backed by a comparable volume of ratings — 35 and 32 respectively. Written reviews are what separate them: 79% of IRNBY's written reviews are positive against 92% of Kolsa's.

IRNBY ships an update fortnightly, Kolsa every 6 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | IRNBY | Kolsa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (35 ratings)](https://appshunter.io/ios/app/irnby/id1484553613/reviews)** | [5.0 (32 ratings)](https://appshunter.io/ios/app/kolsa/id6448317958/reviews) |
| Number of ratings | **35** | 32 |
| Positive reviews | 78.6% of reviews | **92.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 245 MB | 190 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Anastasia Mironova](https://appshunter.io/developer/1484553612) | [KOLSA LLC](https://appshunter.io/developer/1684403366) |

## What reviewers say

### 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 |


### Kolsa

[App page](https://appshunter.io/ios/app/kolsa/id6448317958)

Achieve your fitness goals with home workouts and personalized training plans. This app offers a supportive community and expert guidance to help you get in shape, boost energy, and build confidence. Suitable for all fitness levels, it focuses on targeted problem areas and provides progress tracking for visible results.

**Highlights:** Home workouts without equipment, Personalized course selection, Programs for rapid results, Targeted problem area workouts, Exercises for all levels, Progress trackers

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

**In-app purchases:** none


## Frequently asked questions

### Is IRNBY free?

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

### Is Kolsa free?

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

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

IRNBY is rated higher. IRNBY averages 5.0 out of 5 from 35 ratings, while Kolsa averages 5.0 from 32 ratings.

### Do IRNBY or Kolsa have ads?

Neither IRNBY nor Kolsa shows ads.

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

IRNBY ships an update fortnightly, and Kolsa every 6 weeks. Most recently, IRNBY was updated on October 26, 2026 and Kolsa on October 27, 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.*