# DocB vs Helmline

The clearest difference is device support: DocB at 4 against Helmline's 1. 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.

## The numbers

| Metric | DocB | Helmline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 19 MB | 8 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [MCRICH LLC](https://appshunter.io/developer/1552806643) | [Zhuo Niu](https://appshunter.io/developer/6787791373) |

## What reviewers say

### DocB

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

**In-app purchases:** none


### Helmline

[App page](https://appshunter.io/ios/app/helmline/id6787791371)

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

**In-app purchases:** none


## Frequently asked questions

### Is DocB free?

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

### Is Helmline free?

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

### Do DocB or Helmline have ads?

Neither DocB nor Helmline shows ads.

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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.*