# ADRIAN®smart vs K

The clearest difference is update cadence: K at every 8 months against ADRIAN®smart's every 17 months. K also leads on iOS requirement (12.4 vs 14.2). On price, ads, in-app purchases and device support there is nothing between them.

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

ADRIAN®smart ships an update every 17 months, K every 8 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ADRIAN®smart | K |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 8 months** |
| Size | 104 MB | 242 MB |
| Requires iOS | 14.2 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pro Smart](https://appshunter.io/developer/1087882545) | [KANION GROUP CO.,LIMITED](https://appshunter.io/developer/1558417268) |

## What reviewers say

### ADRIAN®smart

[App page](https://appshunter.io/ios/app/adriansmart/id1408730730)

**Features:** macOS Compatibility

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-premium/id6450885221)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ADRIAN®smart free?

ADRIAN®smart is free to download, with no in-app purchases.

### Is K free?

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

### Do ADRIAN®smart or K have ads?

Neither ADRIAN®smart nor K shows ads.

### Which is updated more often, ADRIAN®smart or K?

ADRIAN®smart ships an update every 17 months, and K every 8 months. Most recently, ADRIAN®smart was updated on October 26, 2026 and K on October 27, 2026.

---

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