# Bivatek Thread Calculator vs Kalkulator CNC

The clearest difference is ads: Bivatek Thread Calculator at none against Kalkulator CNC's shown. Bivatek Thread Calculator also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.1 vs 18.2). On price, 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.

Bivatek Thread Calculator ships an update every 2 days, Kalkulator CNC every 2 weeks. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Bivatek Thread Calculator | Kalkulator CNC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 41 MB | 56 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vionni Software L.L.C-FZ](https://appshunter.io/developer/1894468328) | [MICHAL SCHMUDE](https://appshunter.io/developer/6782377535) |

## What reviewers say

### Bivatek Thread Calculator

[App page](https://appshunter.io/ios/app/bivatek-thread-calculator/id6762510774)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kalkulator CNC

[App page](https://appshunter.io/ios/app/kalkulator-cnc/id6791118032)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bivatek Thread Calculator free?

Bivatek Thread Calculator is free to download, with no in-app purchases.

### Is Kalkulator CNC free?

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

### Do Bivatek Thread Calculator or Kalkulator CNC have ads?

Kalkulator CNC shows ads; Bivatek Thread Calculator does not.

### Which is updated more often, Bivatek Thread Calculator or Kalkulator CNC?

Bivatek Thread Calculator ships an update every 2 days, and Kalkulator CNC every 2 weeks. Most recently, Bivatek Thread Calculator was updated on October 25, 2026 and Kalkulator CNC on October 17, 2026.

---

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