# CGT Alkor vs CertiCask

The clearest difference is update cadence: CGT Alkor at every 2 weeks against CertiCask's every 5 weeks. 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.

CGT Alkor ships an update every 2 weeks, CertiCask every 5 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CGT Alkor | CertiCask |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cgt-alkor/id6670165961/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 39 MB | 29 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CGT ALKOR DRAKA](https://appshunter.io/developer/1765104103) | [Prooftag](https://appshunter.io/developer/424006750) |

## What reviewers say

### CGT Alkor

[App page](https://appshunter.io/ios/app/cgt-alkor/id6670165961)

Explore a catalog of pool membranes, configure custom pool projects with various ambiances and product selections, and access a professional area for training videos, technical sheets, and brand information.

**Highlights:** Browse product catalog, Configure pool projects, Select ambiances and beaches, Access professional training, View technical sheets, Brand information

**Features:** macOS Compatibility

**In-app purchases:** none


### CertiCask

[App page](https://appshunter.io/ios/app/certicask/id6751585705)

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

**In-app purchases:** none


## Frequently asked questions

### Is CGT Alkor free?

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

### Is CertiCask free?

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

### Do CGT Alkor or CertiCask have ads?

Neither CGT Alkor nor CertiCask shows ads.

### Which is updated more often, CGT Alkor or CertiCask?

CGT Alkor ships an update every 2 weeks, and CertiCask every 5 weeks. Most recently, CGT Alkor was updated on October 24, 2026 and CertiCask on October 10, 2026.

---

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