ZeroSSL vs Let's Encrypt
A detailed comparison to help you choose between ZeroSSL and Let's Encrypt.
Quick Verdict
3.8/5
ZeroSSL
46 reviews
3.9/5
Let's Encrypt
254 reviews
Let's Encrypt is rated higher (3.9 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. Let's Encrypt is a free, automated, and open certificate authority that provides SSL/TLS certificates at no cost. Powers HTTPS on 300M+ websites. ACME protocol enables automatic renewal.
ZeroSSL Free SSL alternative to Let's Encrypt | Let's Encrypt Free SSL certificates for everyone | |
|---|---|---|
| Overview | ||
| Rating | 3.8 (46 reviews) | 3.9 (254 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 | Every developer and business that needs SSL — the baseline choice for free automated HTTPS |
| Tags | ||
| Tags | free tierapi access | free tieropen source |
| Visit ZeroSSL → | Visit Let's Encrypt → | |
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
Let's Encrypt
Pros
- + Completely free SSL for any domain
- + Automatic renewal via ACME protocol
- + Non-profit — trusted by browsers globally
Cons
- - 90-day certificate validity requires automation
- - No Extended Validation (EV) certs available
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