# DocB vs KeyVault Studio

The clearest difference is update cadence: KeyVault Studio at daily against DocB's every 4 days. DocB's advantage is iOS requirement (18.0 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.

DocB ships an update every 4 days, KeyVault Studio daily. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DocB | KeyVault Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/docb-better-documentation/id6736964512/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Free | — |
| Size | 18 MB | 35 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [MCRICH LLC](https://appshunter.io/developer/1552806643) | [Stephan Bail](https://appshunter.io/developer/1836130527) |

## What reviewers say

### DocB

[App page](https://appshunter.io/ios/app/docb-better-documentation/id6736964512)

This native documentation app organizes API references for developers. It allows users to import various DocC sources, search them instantly, and save important pages for quick access. Stop switching between browser tabs and get answers faster with a unified reference library.

**Highlights:** Native DocC documentation reader, Import custom DocC websites, Cross-source search functionality, Save bookmarks and collections, CloudKit sync across devices, Distraction-free browsing

**In-app purchases:** none


### KeyVault Studio

[App page](https://appshunter.io/ios/app/keyvault-studio/id6759035356)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DocB free?

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

### Is KeyVault Studio free?

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

### Do DocB or KeyVault Studio have ads?

Neither DocB nor KeyVault Studio shows ads.

### Which is updated more often, DocB or KeyVault Studio?

DocB ships an update every 4 days, and KeyVault Studio daily. Most recently, DocB was updated on September 29, 2026 and KeyVault Studio on October 10, 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.*