# Phrikolat HDD Basics vs catat.ai

The clearest difference is in-app purchases: Phrikolat HDD Basics at none against catat.ai's 4. Phrikolat HDD Basics also leads on iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. catat.ai sells 4 in-app purchases, starting at $3.99 per month. Phrikolat HDD Basics asks for nothing beyond the download.

## The numbers

| Metric | Phrikolat HDD Basics | catat.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/phrikolat-hdd-basics/id763433757/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 32 MB | 16 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Phrikolat Drilling Specialties GmbH](https://appshunter.io/developer/763433760) | [PT TRI DIGITAL PERKASA](https://appshunter.io/developer/1806960336) |

## What reviewers say

### Phrikolat HDD Basics

[App page](https://appshunter.io/ios/app/phrikolat-hdd-basics/id763433757)

This app provides essential drilling fluid product information, mixing tables for various soil conditions, and HDD-related data for jobsite professionals. It offers offline calculations for common jobsite needs, eliminating the need for internet or external devices.

**Highlights:** Drilling fluid product information, Mixing tables for soil conditions, HDD pipe dimensions and characteristics, Unit conversion tables, Offline jobsite calculations, Reference tables

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

**In-app purchases:** none


### catat.ai

[App page](https://appshunter.io/ios/app/catatai/id6744300846)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mogul Monthly | $3.99 | per month |
| Tycoon Monthly | $8.99 | per month |
| Mogul Yearly | $39.99 | per year |
| Tycoon Yearly | $89.99 | per year |


## Frequently asked questions

### Is Phrikolat HDD Basics free?

Phrikolat HDD Basics is free to download, with no in-app purchases.

### Is catat.ai free?

catat.ai is free to download, with in-app purchases available.

### Do Phrikolat HDD Basics or catat.ai have ads?

Neither Phrikolat HDD Basics nor catat.ai shows ads.

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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.*