# coolean vs K

The clearest difference is update cadence: coolean at every 8 months against K's every 25 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.

coolean ships an update every 8 months, K every 25 months. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | coolean | K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/coolean/id1511928490/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 25 months |
| Monetization | Free | — |
| Size | 183 MB | 5 MB |
| Requires iOS | **13.0** | 14.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [MYUNG SUNG INC](https://appshunter.io/developer/1511928489) | [항공교통본부](https://appshunter.io/developer/1436937010) |

## What reviewers say

### coolean

[App page](https://appshunter.io/ios/app/coolean/id1511928490)

Control and manage your home appliances remotely using your smartphone. Schedule operations, activate multiple devices with a single tap, and group devices for simultaneous control.

**Highlights:** Remote ON/OFF control, Appliance timer settings, One-click action presets, Group activation of devices, Smartphone management

**Features:** macOS Compatibility

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-atfm/id1565102869)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is coolean free?

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

### Is K free?

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

### Do coolean or K have ads?

Neither coolean nor K shows ads.

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

coolean ships an update every 8 months, and K every 25 months. Most recently, coolean was updated on September 25, 2026 and K on September 29, 2026.

---

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