Developer favorite
Register a .io domain
Get a .io — the de facto ending for tech. Originally the country code for the British Indian Ocean Territory, .io became the unofficial home of developer tools, SaaS, and modern tech startups. If you build for technical users, .io signals you're one of them.
$40.40/yr
Renews at the same price. No tricks.
Privacy free
Who picks .io?
- Developer tools and APIs
- B2B SaaS for technical buyers
- Early-stage tech startups
What it signals
Modern, technical, "we know what we're doing." Used by GitHub, Sentry, Linear, and a thousand other tools your developers already trust.
Pros
- Strong "we're a tech company" signal.
- Way more short, memorable names still available than .com.
- Tech crowd reads .io as a credible alternative to .com.
- Common pattern in product naming (e.g., something.io).
Watch-outs
- Premium price (~$50/yr) — much more than .com.
- Less recognized by non-tech consumers.
- Country-code TLDs have historically had outage risk (rare, but worth noting).
Examples of .io domains in the wild
github.io
sentry.io
linear.io
pitch.io
splice.io
pingdom.io
.io at renewal — us vs the big registrars
The first-year promo isn’t the number that matters — the renewal price is, because that’s what you pay every year after. Competitor renewal figures sampled 2026-06-18.
| Registrar | Renewal / yr |
|---|---|
| Modusdom flat | $40.40 |
| GoDaddy | $64.99 |
| Namecheap | $47.98 |
| Porkbun | $51.80 |
Our price is the same in year 1 and year 10. See the full renewal-price index or the detailed registrar comparison.
Common questions about .io domains
How much does a .io domain cost?
A .io domain is $40.40 per year at Modusdom, and it renews at the same $40.40 every year — no discounted first year that jumps later. For comparison, GoDaddy renews .io at about $64.99/yr.
Does a .io domain renew at the same price?
Yes. Our renewal price equals our first-year price — written into our promises — so your .io stays $40.40/yr in year 1, year 2, and year 10. Most registrars advertise a cheap first year, then quietly renew higher.
Do I get free WHOIS privacy on a .io domain?
Yes — free WHOIS privacy is included on every .io domain, hiding your name, address, email and phone from the public WHOIS record at no extra cost.
Can I transfer an existing .io domain to Modusdom?
Yes. Transfers are free and add a year to your registration. Unlock the domain at your current registrar, copy the EPP/auth code, and start the transfer — we walk you through it, and your website and email keep working the whole time.
Is a .io domain right for my business?
Modern, technical, "we know what we're doing." Used by GitHub, Sentry, Linear, and a thousand other tools your developers already trust. It is a strong fit for: Developer tools and APIs; B2B SaaS for technical buyers; Early-stage tech startups.