# Онтрэк Лайф vs K

The clearest difference is update cadence: K at every 2 days against Онтрэк Лайф's every 18 months. K also leads on device support and iOS requirement (13.0 vs 15.0). On price 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.

Онтрэк Лайф ships an update every 18 months, K every 2 days. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Онтрэк Лайф | K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-pro/id6504042146/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 18 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 55 MB | 38 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [DIALOG, UCH](https://appshunter.io/developer/1464922831) | [SMART PARTNERS CONSULTING, TOO](https://appshunter.io/developer/1692719122) |

## What reviewers say

### Онтрэк Лайф

[App page](https://appshunter.io/ios/app/id6445975499)

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-pro/id6504042146)

Connect with professionals in Kazakhstan on this platform designed for career growth and knowledge sharing. Build your network, engage in interest groups, and stay updated with personalized news feeds. Become part of the future of professional development in Kazakhstan.

**Highlights:** Professional networking, Profile creation and management, Messaging and contact management, Interest-based groups, Personalized news feed, Post sharing and interaction

**In-app purchases:** none


## Frequently asked questions

### Is Онтрэк Лайф free?

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

### Is K free?

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

### Which is updated more often, Онтрэк Лайф or K?

Онтрэк Лайф ships an update every 18 months, and K every 2 days. Most recently, Онтрэк Лайф was updated on September 29, 2026 and K on September 21, 2026.

---

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