# Helix Angle Calculator vs Bivatek Thread Calculator

The clearest difference is update cadence: Bivatek Thread Calculator at every 2 days against Helix Angle Calculator's weekly. 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.

Helix Angle Calculator ships an update weekly, Bivatek Thread Calculator every 2 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Helix Angle Calculator | Bivatek Thread Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 8 MB | 41 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SmiCut AB](https://appshunter.io/developer/1813477031) | [Vionni Software L.L.C-FZ](https://appshunter.io/developer/1894468328) |

## What reviewers say

### Helix Angle Calculator

[App page](https://appshunter.io/ios/app/helix-angle-calculator/id6745720275)

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

**In-app purchases:** none


### Bivatek Thread Calculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Helix Angle Calculator free?

Helix Angle Calculator is free to download, with no in-app purchases.

### Is Bivatek Thread Calculator free?

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

### Do Helix Angle Calculator or Bivatek Thread Calculator have ads?

Neither Helix Angle Calculator nor Bivatek Thread Calculator shows ads.

### Which is updated more often, Helix Angle Calculator or Bivatek Thread Calculator?

Helix Angle Calculator ships an update weekly, and Bivatek Thread Calculator every 2 days. Most recently, Helix Angle Calculator was updated on October 28, 2026 and Bivatek Thread Calculator on October 31, 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.*