# iSmartLogin vs K

The clearest difference is update cadence: iSmartLogin at every 3 weeks against K's every 3 months. 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.

iSmartLogin ships an update every 3 weeks, K every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | iSmartLogin | K |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 50 MB | 79 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CityVariety Corporation Co.,Ltd.](https://appshunter.io/developer/1161953922) | [Arkom Rattanasiri](https://appshunter.io/developer/494476148) |

## What reviewers say

### iSmartLogin

[App page](https://appshunter.io/ios/app/ismartlogin/id1561564431)

**Features:** macOS Compatibility

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-scan/id1626035608)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iSmartLogin free?

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

### Is K free?

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

### Do iSmartLogin or K have ads?

Neither iSmartLogin nor K shows ads.

### Which is updated more often, iSmartLogin or K?

iSmartLogin ships an update every 3 weeks, and K every 3 months. Most recently, iSmartLogin was updated on October 25, 2026 and K 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.*