.io, .ai & .tech: The Best Domains for Startups

Choosing a startup domain is part branding, part availability hunt. The classic .com for your exact name is often long gone — but a wave of modern extensions like .io, .ai and .tech has given founders fresh, credible options that the tech world already recognises. This guide explains what each one signals, when to use it, and how to register one from Tanzania.

.io — the startup favourite

.io became hugely popular with software companies, developer tools and SaaS products. To a tech-savvy audience it reads as modern and serious, and because the namespace is younger than .com, your exact brand name is far more likely to be available. If you're building a product for developers or businesses, .io is a comfortable, well-understood choice.

.ai — for artificial intelligence

As AI has boomed, .ai has gone from niche to coveted. For any product built around machine learning, automation or data, a .ai address tells customers exactly what you do before they read a word. It's a strong, on-trend signal — just move quickly, because good .ai names are increasingly in demand.

.tech — broad and descriptive

.tech is a flexible option for any technology brand that wants a clear, descriptive address. It works for hardware, software, education, events and more, and it offers wide availability so you can usually get the exact name you want. If neither .io nor .ai fits, .tech is a dependable, recognisable alternative.

Which should your startup pick?

• .io — developer tools, SaaS and tech products
• .ai — anything built around artificial intelligence
• .tech — any technology brand wanting a clear, descriptive name
• .com — still worth grabbing too if a good one is free, for the broadest reach

Whatever you choose, prioritise a short, memorable, easy-to-spell name — the extension supports your brand, it doesn't carry it. Our guide on choosing a domain name covers the tests that separate a name you'll love from one you'll regret.

Availability and cost

One of the biggest reasons founders reach for these extensions is availability: because they're younger than .com, your exact brand name is far more likely to be free. Pricing varies by extension — .ai and .io often cost more than a standard .com, while .tech is usually very affordable — and every price is shown in Tanzanian Shillings at checkout. For an early-stage startup, paying a little more to own the precise name you want is often worth it, since rebranding later is far more expensive than the domain ever will be.

Don't forget the fundamentals

A trendy extension can't rescue a weak name. Whatever you pick, make sure it's short, easy to spell, and easy to say aloud — the tests that decide whether people can find you after hearing your name once. It's also worth grabbing the matching .com if a good one is still available, both as a fallback and to stop anyone else trading on your brand. Lock the name down early; you can always build the product around it later.

How to register from Tanzania

Search your brand, pick the extension you want, add it to your cart, and pay in TZS with M-Pesa, Tigo Pesa or Airtel Money — no card required. The domain registers automatically and lands in your dashboard, ready to connect to your site, with DNS and email a few clicks away. Paying with mobile money means a founder can secure a name the moment inspiration strikes, without waiting on a card or a bank transfer to clear — handy when you're racing to lock down a brand before a launch.