Head-to-head · October 2026
Mobile CSS vs Simple Custom CSS Plugin
Simple Custom CSS Plugin comes out ahead, winning 6 of 8 head-to-head checks against Mobile CSS.
Mobile CSS
This plugin allows you to define different CSS rules that get loaded into the page’s for specific devices.
Simple Custom CSS Plugin
Add Custom CSS to your WordPress site without any hassles. An easy-to-use WordPress Plugin to add custom CSS…
| Metric | Mobile CSS | Simple Custom CSS Plugin |
|---|---|---|
| Active installs | 500+ | 100K+ |
| Downloads (30 days) | 97 | 7.5K |
| Download trend | +14.1% | +12% |
| Rating | 5/5 | 4.7/5 |
| Reviews | 6 | 159 |
| Health score | 39/100 | 51/100 |
| Last updated | 13 years ago | 2 years ago |
| Tested up to | WP 3.6.1 | WP 6.7.9 |
| Support resolved | — | — |
| Requires PHP | Any | Any |
| First released | Oct 2012 | Aug 2013 |
Daily downloads, last 90 days
Mobile CSSSimple Custom CSS Plugin
Choose Mobile CSS if…
You care most about download trend and rating.
- Small user base (500+ active installs)
- No update in 13 years
- Only tested up to WordPress 3.6 (latest is 7.1)
Choose Simple Custom CSS Plugin if…
You care most about active installs, downloads (30 days) and reviews.
- Proven at scale on 100K+ active sites
- Loved by users — 4.7/5 from 159 reviews
- No update in over a year
- Only tested up to WordPress 6.7 (latest is 7.1)
Both compete in: css
FAQ
Mobile CSS vs Simple Custom CSS Plugin: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 4, 2026
Which is better, Mobile CSS or Simple Custom CSS Plugin?
Simple Custom CSS Plugin comes out ahead, winning 6 of 8 head-to-head checks against Mobile CSS. Choose Mobile CSS if you care most about download trend and rating. Choose Simple Custom CSS Plugin if you care most about active installs, downloads (30 days) and reviews.
Is Mobile CSS more popular than Simple Custom CSS Plugin?
Simple Custom CSS Plugin is the more popular of the two with 100K+ active installs, compared with 500+ for Mobile CSS.
Can I use Mobile CSS and Simple Custom CSS Plugin together?
Both plugins cover css, 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 Mobile CSS and Simple Custom CSS Plugin 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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