# Keyword Density vs Comment Blocker

The clearest difference is price: Comment Blocker at Free against Keyword Density's $1.99. Keyword Density's advantage is in-app purchases (none vs 5) and iOS requirement (11.0 vs 26.5). On ads and device support there is nothing between them.

Comment Blocker is free to download; Keyword Density costs $1.99 up front. Comment Blocker sells 5 in-app purchases, starting at $0.99 per month. Keyword Density asks for nothing beyond the download.

## The numbers

| Metric | Keyword Density | Comment Blocker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Size | 24 MB | 3 MB |
| Requires iOS | **11.0** | 26.5 |
| Devices | iPhone, iPod, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Solaz Dazen srl](https://appshunter.io/developer/802275887) | [Lucas Exequiel Di Tomase](https://appshunter.io/developer/1456307400) |

## What reviewers say

### Keyword Density

[App page](https://appshunter.io/ios/app/keyword-density-seo-edition/id1471329886)

**In-app purchases:** none


### Comment Blocker

[App page](https://appshunter.io/ios/app/comment-blocker/id1553084232)

**Features:** Safari Extension, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock app access | $0.99 | per month |
| 1 Month Subscription Plan | $1.99 | per month |
| 6 Months Subscription Plan | $4.99 | per 6 months |
| Custom Rules | $4.99 | per month |
| 1 Year Subscription Plan | $9.99 | per year |


## Frequently asked questions

### Is Keyword Density free?

Keyword Density costs $1.99, with no in-app purchases.

### Is Comment Blocker free?

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

### Do Keyword Density or Comment Blocker have ads?

Neither Keyword Density nor Comment Blocker 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.*