# DocB vs Knockbox

The clearest difference is update cadence: Knockbox at daily against DocB's every 4 days. DocB's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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, Knockbox daily. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | DocB | Knockbox |
| --- | --- | --- |
| 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 | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MCRICH LLC](https://appshunter.io/developer/1552806643) | [苗 苗](https://appshunter.io/developer/6791624017) |

## 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


### Knockbox

[App page](https://appshunter.io/ios/app/knockbox-self-hosted-push/id6811317906)

**In-app purchases:** none


## Frequently asked questions

### Is DocB free?

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

### Is Knockbox free?

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

### Do DocB or Knockbox have ads?

Neither DocB nor Knockbox shows ads.

### Which is updated more often, DocB or Knockbox?

DocB ships an update every 4 days, and Knockbox daily. Most recently, DocB was updated on September 29, 2026 and Knockbox on October 6, 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.*