Best .io Domain Registrars
Popular with technology startups; technically the ccTLD for the British Indian Ocean Territory.
Short answer
Cloudflare Registrar has the lowest renewal price for .io at $36.30. Cloudflare Registrar also offers at-cost renewals on .io for users transferring existing domains.
Cheapest .io first-year
| Registrar | First-year | Renewal | 3-year cost | Last checked |
|---|---|---|---|---|
| Spaceship | $29.98 | $39.98 | $109.94 | 2026-05-12 |
| Dynadot | $29.99 | $42.99 | $115.97 | 2026-05-12 |
| Porkbun | $31.45 | $38.74 | $108.93 | 2026-05-12 |
| Namecheap | $32.88 | $49.88 | $132.64 | 2026-05-12 |
| Cloudflare Registrar | $36.30 | $36.30 | $108.90 | 2026-05-12 |
| GoDaddy | $49.99 | $69.99 | $189.97 | 2026-05-12 |
| Squarespace Domains | $55.00 | $55.00 | $165.00 | 2026-05-12 |
Cheapest .io renewal
| Registrar | First-year | Renewal | 3-year cost | Last checked |
|---|---|---|---|---|
| Cloudflare Registrar | $36.30 | $36.30 | $108.90 | 2026-05-12 |
| Porkbun | $31.45 | $38.74 | $108.93 | 2026-05-12 |
| Spaceship | $29.98 | $39.98 | $109.94 | 2026-05-12 |
| Dynadot | $29.99 | $42.99 | $115.97 | 2026-05-12 |
| Namecheap | $32.88 | $49.88 | $132.64 | 2026-05-12 |
| Squarespace Domains | $55.00 | $55.00 | $165.00 | 2026-05-12 |
| GoDaddy | $49.99 | $69.99 | $189.97 | 2026-05-12 |
FAQ
What is the cheapest registrar for .io?+
Cloudflare Registrar offers the lowest .io renewal price at $36.30 as of 2026-05-12.
Are there restrictions on .io?+
Popular with technology startups; technically the ccTLD for the British Indian Ocean Territory.