# K vs SAFE COC

The clearest difference is update cadence: SAFE COC at every 2 weeks against K's every 21 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.

K ships an update every 21 months, SAFE COC every 2 weeks. The most recent releases landed on October 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | K | SAFE COC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Size | 230 MB | 68 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Guangdong KSTE lighting industry Co.,Ltd](https://appshunter.io/developer/1604704962) | [WORKMATE INFOTECH PRIVATE LIMITED](https://appshunter.io/developer/1726162169) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-smart/id1604704960)

**Features:** macOS Compatibility

**In-app purchases:** none


### SAFE COC

[App page](https://appshunter.io/ios/app/safe-coc/id6740491989)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is SAFE COC free?

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

### Do K or SAFE COC have ads?

Neither K nor SAFE COC shows ads.

### Which is updated more often, K or SAFE COC?

K ships an update every 21 months, and SAFE COC every 2 weeks. Most recently, K was updated on October 8, 2026 and SAFE COC on September 19, 2026.

---

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