.io Domain Price Comparison

Country-code top-level domain. Prices in USD/year, updated 2026-10-18 — checkout price prevails.

All TLD prices 中文版本 Registry price changes

What is the .io TLD?

Developer tools, open-source projects, tech startups.

British Indian Ocean Territory ccTLD used as a tech gTLD; renewals run $50+/yr — not cheap.

Total cost over

Lowest 3-year total: Porkbun at $131.72

Porkbun: renewal costs ×1.8 the first-year price

Registrar	Registration	Renewal	Transfer	3-yr total	Collected	Source
Porkbun	$28.12/yr	$51.8/yr	$51.8/yr	$131.72	2026-10-18	source
Dynadot	$28.89/yr	$53.5/yr	$53.5/yr	$135.89	2026-10-18	source

3-year total = registration + 2 × renewal (transfer listed separately, not included). Excludes taxes and optional services; checkout price may differ.

FAQ

Does the .io renewal price go up?

Porkbun: renewal costs ×1.8 the first-year price. Each registrar's renewal price is listed in the table, and the multi-year total is calculated at the renewal rate.

Which registrar is cheapest for .io over 3 years?

At registration + 2 × renewal, Porkbun is currently the lowest at $131.72 (collected 2026-10-18; checkout price prevails).

How much does a .io transfer cost?

Porkbun $51.8; Dynadot $53.5. A transfer is usually billed as one renewal year and extends the domain by a year — check each registrar's rules.