Domainiac vs Instant Domain Search

Domainiac lands on Depends, and Instant Domain Search lands on Worth it.

Domainiac

Depends

Confidence: Medium

Solo founders naming a project can try it . it's free, needs no account, and compares registrar prices.

Worth it

Confidence: Medium

Buy if you're picking a domain: the search is fast, free, covers 800+ extensions, and bulk-checks up to 5,000 names.

Domainiac versus Instant Domain Search
Compare	Domainiac	Instant Domain Search
Verdict	Depends	Worth it
Best for	Solo founders naming a startup	Founders picking a startup name
Who it's not for	Guess: domain investors needing bulk, appraisal, or auction tooling	Anyone wanting AI-generated name ideas
Privacy	No known public vulnerabilities found in the sources reviewed; however the product's own /security page returns a 404.^⁵	No product vulnerabilities reported in sources; Hudson Rock lists 9 infostealer credentials linked to the domain.
Support quality	No evidence found	No support evidence in sources
Public sentiment	Nearly all visible buzz is founder-posted launch threads and listicles; genuine independent user reviews are scarce.¹⁰	Users praise the fast, free as-you-type search; complaints center on iOS app crashes and rising competition.
Biggest gotcha	Business listed for sale on DNForum (Mar 2026); tool could change hands or disappear.¹⁴	Threat actors watch instant search tools for squatting targets . register picks fast