Head-to-head · October 2026
Duplicate Killer vs Redirection for Contact F…
Redirection for Contact For… comes out ahead, winning 4 of 6 head-to-head checks against Duplicate Killer.
Duplicate Killer
Duplicate Killer prevents repeated submissions in WordPress forms. Choose which supported fields must be…
Redirection for Contact Form 7
Redirection for Contact Form 7 enhances your forms with essential post-submission actions all in one plugin…
| Metric | Duplicate Killer | Redirection for Contact F… |
|---|---|---|
| Active installs | 1K+ | 200K+ |
| Downloads (30 days) | 2.7K | 160.1K |
| Download trend | +186.1% | -6.2% |
| Rating | 5/5 | 4.7/5 |
| Reviews | 3 | 275 |
| Health score | 77/100 | 95/100 |
| Last updated | 4 days ago | 2 weeks ago |
| Tested up to | WP 7.1.3 | WP 7.1.3 |
| Support resolved | — | 100% |
| Requires PHP | 5.6.20+ | Any |
| First released | Oct 2022 | Aug 2017 |
Daily downloads, last 90 days
Duplicate KillerRedirection for Contact…
Choose Duplicate Killer if…
You care most about download trend and last updated.
- Actively developed — last update 4 days ago
- Tested with the latest WordPress (7.1)
- Momentum — downloads up 186.1% vs the previous 30 days
- Very few reviews so far
Choose Redirection for Contact F… if…
You care most about active installs, downloads (30 days) and reviews.
- Proven at scale on 200K+ active sites
- Loved by users — 4.7/5 from 275 reviews
- Actively developed — last update 2 weeks ago
- Tested with the latest WordPress (7.1)
Both compete in: contact form 7
FAQ
Duplicate Killer vs Redirection for Contact F…: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 12, 2026
Which is better, Duplicate Killer or Redirection for Contact For…?
Redirection for Contact For… comes out ahead, winning 4 of 6 head-to-head checks against Duplicate Killer. Choose Duplicate Killer if you care most about download trend and last updated. Choose Redirection for Contact For… if you care most about active installs, downloads (30 days) and reviews.
Is Duplicate Killer more popular than Redirection for Contact For…?
Redirection for Contact For… is the more popular of the two with 200K+ active installs, compared with 1K+ for Duplicate Killer.
Can I use Duplicate Killer and Redirection for Contact For… together?
Both plugins cover contact form 7, 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 Duplicate Killer and Redirection for Contact For… 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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