# DCO Comment Attachment vs Unique Comment Notify

> DCO Comment Attachment vs Unique Comment Notify compared on installs, downloads, ratings, updates, compatibility and support. DCO Comment Attachment comes out ahead, winning 7 of 7 head-to-head checks against Unique Comment Notify.

**DCO Comment Attachment comes out ahead, winning 7 of 7 head-to-head checks against Unique Comment Notify.** Choose DCO Comment Attachment if you care most about active installs, downloads (30 days) and download trend.

| | DCO Comment Attachment | Unique Comment Notify |
|---|---|---|
| Active installs | 5K+ ✅ | 10+ |
| Downloads (30 days) | 407 ✅ | 57 |
| Download trend | +8% ✅ | -9.5% |
| Rating | 4.9/5 | — |
| Reviews | 10 ✅ | 0 |
| Health score | 41/100 ✅ | 23/100 |
| Last updated | 4 years ago ✅ | 19 years ago |
| Tested up to | WP 6.0.16 ✅ | WP 2.3.3 |
| Support resolved | — | — |
| Requires PHP | 5.6+ | Any |
| First released | May 2019 | Feb 2008 |

## Frequently asked questions

### Which is better, DCO Comment Attachment or Unique Comment Notify?
DCO Comment Attachment comes out ahead, winning 7 of 7 head-to-head checks against Unique Comment Notify. Choose DCO Comment Attachment if you care most about active installs, downloads (30 days) and download trend.

### Is DCO Comment Attachment more popular than Unique Comment Notify?
DCO Comment Attachment is the more popular of the two with 5K+ active installs, compared with 10+ for Unique Comment Notify.

### Can I use DCO Comment Attachment and Unique Comment Notify together?
Both plugins cover comment, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.

### Are DCO Comment Attachment and Unique Comment Notify free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.


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Source: live WordPress.org data · HTML version: https://pageforge.pro/directory/compare/dco-comment-attachment-vs-unique-comment-notify/ · Generated 2026-10-03 12:13 UTC by PageForge