ZeroSSL vs Certbot
A detailed comparison to help you choose between ZeroSSL and Certbot.
Quick Verdict
3.8/5
ZeroSSL
46 reviews
4.6/5
Certbot
52 reviews
Certbot is rated higher (4.6 vs 3.8). ZeroSSL provides free SSL certificates as an alternative to Let's Encrypt. Also offers paid OV and EV certificates. REST API, ACME support, and monitoring. 90-day free certs. Certbot is the official ACME client for Let's Encrypt certificates. Automates certificate issuance and renewal for Nginx, Apache, and standalone mode on Linux servers.
ZeroSSL Free SSL alternative to Let's Encrypt | Certbot ACME client for Let's Encrypt automation | |
|---|---|---|
| Overview | ||
| Rating | 3.8 (46 reviews) | 4.6 (52 reviews)✓ |
| Pricing model | freemium | free |
| Starting price | Free tier available | Free |
| Best for | Developers who want a Let's Encrypt alternative for CA diversification or need OV/EV certificates | System administrators who want automated Let's Encrypt certificate management on Linux servers |
| Tags | ||
| Tags | free tierapi access | free tieropen source |
| Visit ZeroSSL → | Visit Certbot → | |
ZeroSSL
Pros
- + Alternative CA to Let's Encrypt — diversification
- + REST API for certificate management
- + Paid OV/EV available
Cons
- - Free tier limited to 3 certificates
- - Less established than Let's Encrypt
Certbot
Pros
- + Official EFF-maintained ACME client
- + Nginx and Apache plugins for automated config
- + Free and open source
Cons
- - Requires Linux server access
- - Some server configurations need manual adjustment
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