WordPress plugin comparison
Gravity PDF vs Surbma
At a glance
- Gravity PDF has more active installs: 20K+, against 9K+ for Surbma.
- On a typical day, Surbma is downloaded about 30 times, Gravity PDF about 27.
- Surbma is rated higher: 5.0 out of 5 from 21 reviews, against 4.9 from 318 reviews.
- Surbma was updated more recently: Mar 27, 2026, against Jul 23, 2025 for Gravity PDF.
- Gravity PDF resolves more of its support threads: 67% in the last two months, against 0% for Surbma.
- Surbma is tested with a newer WordPress: 6.9.11, against 6.8.11 for Gravity PDF.
- Gravity PDF has been around longer: since 2012, against 2015 for Surbma.
Line by line
Level: each leads on 4 of 8 comparable lines.
| Metric |  Gravity PDF |  Surbma |
|---|---|---|
| Popular rank | #1,247 | #2,250 |
| Active installs | 20K+ | 9K+ |
| Downloads, last 30 days | 2.8K | 893 |
| Rating | 4.9(318) | 5.0(21) |
| Support threads resolved | 67% | 0% |
| Tested up to | 6.8.11 | 6.9.11 |
| Search multiplier | ×0.55 | ×0.69 |
| Last release | 1 year ago | 7 months ago |
| Requires PHP | 7.3 | 7.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
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