Head-to-head · September 2026
Language Code Classificat… vs Smart Custom Fields
Smart Custom Fields comes out ahead, winning 6 of 7 head-to-head checks against Language Code Classification.
Language Code Classification
This plugin is designed to allow a WordPress user to add an ISO 639-3 language code to in a custom field…
Smart Custom Fields
Smart Custom Fields is a simple plugin for managing custom fields.
| Metric | Language Code Classificat… | Smart Custom Fields |
|---|---|---|
| Active installs | 10+ | 50K+ |
| Downloads (30 days) | 34 | 4.3K |
| Download trend | +25.9% | -16.7% |
| Rating | — | 4.9/5 |
| Reviews | 0 | 20 |
| Health score | 23/100 | 75/100 |
| Last updated | 17 years ago | 3 months ago |
| Tested up to | WP 2.9.2 | WP 6.8.10 |
| Support resolved | — | — |
| Requires PHP | Any | 7.4+ |
| First released | Mar 2009 | Oct 2014 |
Daily downloads, last 90 days
Language Code Classific…Smart Custom Fields
Choose Language Code Classificat… if…
You care most about download trend.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 16 years
- Only tested up to WordPress 2.9 (latest is 7.1)
Choose Smart Custom Fields if…
You care most about active installs, downloads (30 days) and reviews.
- Proven at scale on 50K+ active sites
- Loved by users — 4.9/5 from 20 reviews
- Only tested up to WordPress 6.8 (latest is 7.1)
Both compete in: custom field
FAQ
Language Code Classificat… vs Smart Custom Fields: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 30, 2026
Which is better, Language Code Classification or Smart Custom Fields?
Smart Custom Fields comes out ahead, winning 6 of 7 head-to-head checks against Language Code Classification. Choose Language Code Classification if you care most about download trend. Choose Smart Custom Fields if you care most about active installs, downloads (30 days) and reviews.
Is Language Code Classification more popular than Smart Custom Fields?
Smart Custom Fields is the more popular of the two with 50K+ active installs, compared with 10+ for Language Code Classification.
Can I use Language Code Classification and Smart Custom Fields together?
Both plugins cover custom field, 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 Language Code Classification and Smart Custom Fields 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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