# Comment Blocker vs Modern Chess Clock

The clearest difference is in-app purchases: Modern Chess Clock at none against Comment Blocker's 5. Modern Chess Clock also leads on iOS requirement (15.0 vs 26.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Comment Blocker sells 5 in-app purchases, starting at $0.99 per month. Modern Chess Clock asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on September 18, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Comment Blocker | Modern Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | Every 10 days |
| Size | 3 MB | 5 MB |
| Requires iOS | 26.5 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Exequiel Di Tomase](https://appshunter.io/developer/1456307400) | [Nurullah Bilgin](https://appshunter.io/developer/1638320664) |

## What reviewers say

### 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 |


### Modern Chess Clock

[App page](https://appshunter.io/ios/app/modern-chess-clock/id1638320662)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Comment Blocker free?

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

### Is Modern Chess Clock free?

Modern Chess Clock is free to download, with no in-app purchases.

### Do Comment Blocker or Modern Chess Clock have ads?

Neither Comment Blocker nor Modern Chess Clock shows ads.

### Which is updated more often, Comment Blocker or Modern Chess Clock?

Comment Blocker ships an update every 10 days, and Modern Chess Clock every 10 days. Most recently, Comment Blocker was updated on September 18, 2026 and Modern Chess Clock on June 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.*