# ESG Security vs KLOK

The clearest difference is update cadence: KLOK at every 2 days against ESG Security's every 9 months. ESG Security's advantage is iOS requirement (13.0 vs 15.0). 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.

ESG Security ships an update every 9 months, KLOK every 2 days. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ESG Security | KLOK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 days** |
| Size | 44 MB | 33 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Sofra Grup](https://appshunter.io/developer/1532389421) | [Baris Alay](https://appshunter.io/developer/6788770416) |

## What reviewers say

### ESG Security

[App page](https://appshunter.io/ios/app/esg-security/id6473173709)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### KLOK

[App page](https://appshunter.io/ios/app/klok-pdks/id6788770414)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ESG Security free?

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

### Is KLOK free?

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

### Do ESG Security or KLOK have ads?

Neither ESG Security nor KLOK shows ads.

### Which is updated more often, ESG Security or KLOK?

ESG Security ships an update every 9 months, and KLOK every 2 days. Most recently, ESG Security was updated on October 12, 2026 and KLOK on October 28, 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.*