# Protexb vs Caverno

The clearest difference is update cadence: Caverno at every 2 days against Protexb's every 5 months. Protexb's advantage is iOS requirement (16.0 vs 26.0). 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.

Protexb ships an update every 5 months, Caverno every 2 days. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Protexb | Caverno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Size | 11 MB | 33 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [TheGroceryShelf LLC](https://appshunter.io/developer/1823514695) | [Osamu Noguchi](https://appshunter.io/developer/457240927) |

## What reviewers say

### Protexb

[App page](https://appshunter.io/ios/app/protexb/id6747944068)

**Features:** macOS Compatibility

**In-app purchases:** none


### Caverno

[App page](https://appshunter.io/ios/app/caverno/id6760192392)

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

**In-app purchases:** none


## Frequently asked questions

### Is Protexb free?

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

### Is Caverno free?

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

### Do Protexb or Caverno have ads?

Neither Protexb nor Caverno shows ads.

### Which is updated more often, Protexb or Caverno?

Protexb ships an update every 5 months, and Caverno every 2 days. Most recently, Protexb was updated on October 8, 2026 and Caverno on October 3, 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.*