# К41 vs Фитнес

The clearest difference is iOS requirement: Фитнес at 13.4 against К41's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 8, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | К41 | Фитнес |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6443845034/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | Free |
| Size | 51 MB | 28 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fitbase](https://appshunter.io/developer/1530906929) | [Vasiliy Suvorov](https://appshunter.io/developer/1612668132) |

## What reviewers say

### К41

[App page](https://appshunter.io/ios/app/41/id1558443349)

Manage your fitness club membership with this app. Book classes, track attendance, and stay updated on news and promotions. Enjoy an active lifestyle with your family.

**Highlights:** View training schedule, Book training sessions, Get workout reminders, Receive club news, Track attendance, Monitor membership validity

**Features:** Vision Pro support

**In-app purchases:** none


### Фитнес

[App page](https://appshunter.io/ios/app/id6443845034)

This app allows fitness club members to view class schedules, book group sessions, and receive workout reminders. It also helps users track their membership and service expiration dates.

**Highlights:** View training schedule, Book group training sessions, Receive workout push notifications, Track membership expiration, Check service validity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is К41 free?

К41 is free to download, with no in-app purchases.

### Is Фитнес free?

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

### Do К41 or Фитнес have ads?

Neither К41 nor Фитнес shows ads.

### Which is updated more often, К41 or Фитнес?

К41 ships an update every 6 weeks, and Фитнес every 6 weeks. Most recently, К41 was updated on October 8, 2026 and Фитнес 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.*