Head-to-head · October 2026
Conditional Fields for Co… vs Duplicate Killer
Conditional Fields for Cont… comes out ahead, winning 5 of 6 head-to-head checks against Duplicate Killer.
Conditional Fields for Contact Form 7
This plugin adds conditional logic to Contact Form 7.
Duplicate Killer
Duplicate Killer prevents repeated submissions in WordPress forms. Choose which supported fields must be…
| Metric | Conditional Fields for Co… | Duplicate Killer |
|---|---|---|
| Active installs | 100K+ | 1K+ |
| Downloads (30 days) | 100.2K | 2.7K |
| Download trend | +0.7% | +186.1% |
| Rating | 4.8/5 | 5/5 |
| Reviews | 166 | 3 |
| Health score | 92/100 | 77/100 |
| Last updated | 1 day ago | 4 days ago |
| Tested up to | WP 7.1.3 | WP 7.1.3 |
| Support resolved | 80% | — |
| Requires PHP | 7.0+ | 5.6.20+ |
| First released | Jun 2016 | Oct 2022 |
Daily downloads, last 90 days
Conditional Fields for…Duplicate Killer
Choose Conditional Fields for Co… if…
You care most about active installs, downloads (30 days) and reviews.
- Proven at scale on 100K+ active sites
- Loved by users — 4.8/5 from 166 reviews
- Actively developed — last update 1 day ago
- Tested with the latest WordPress (7.1)
- Responsive support — 80% of recent threads resolved
Choose Duplicate Killer if…
You care most about download trend.
- 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
Both compete in: contact form 7
FAQ
Conditional Fields for Co… vs Duplicate Killer: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 12, 2026
Which is better, Conditional Fields for Cont… or Duplicate Killer?
Conditional Fields for Cont… comes out ahead, winning 5 of 6 head-to-head checks against Duplicate Killer. Choose Conditional Fields for Cont… if you care most about active installs, downloads (30 days) and reviews. Choose Duplicate Killer if you care most about download trend.
Is Conditional Fields for Cont… more popular than Duplicate Killer?
Conditional Fields for Cont… is the more popular of the two with 100K+ active installs, compared with 1K+ for Duplicate Killer.
Can I use Conditional Fields for Cont… and Duplicate Killer 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 Conditional Fields for Cont… and Duplicate Killer 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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