# Webukit vs CalibraDue

The clearest difference is in-app purchases: Webukit at none against CalibraDue's 2. Webukit also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CalibraDue sells 2 in-app purchases, starting at $12.99 per month. Webukit asks for nothing beyond the download.

Webukit ships an update every 2 days, CalibraDue every 2 months. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Webukit | CalibraDue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 2 months |
| Size | 11 MB | 7 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Outfit AI Ltd](https://appshunter.io/developer/1833587199) | [Alisson Bento](https://appshunter.io/developer/6784056568) |

## What reviewers say

### Webukit

[App page](https://appshunter.io/ios/app/webukit/id6786923583)

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

**In-app purchases:** none


### CalibraDue

[App page](https://appshunter.io/ios/app/calibradue-equipment-log/id6794084456)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalibraDue Pro Monthly | $12.99 | per month |
| CalibraDue Pro Annual | $99.99 | per year |


## Frequently asked questions

### Is Webukit free?

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

### Is CalibraDue free?

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

### Do Webukit or CalibraDue have ads?

CalibraDue shows ads; Webukit does not.

### Which is updated more often, Webukit or CalibraDue?

Webukit ships an update every 2 days, and CalibraDue every 2 months. Most recently, Webukit was updated on October 31, 2026 and CalibraDue on October 24, 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.*