Instant Domain Search vs Domainr

Instant Domain Search9.4Visit Domainr8.5Visit

Higher score Instant Domain Search #1 in Domain Search Tools 9.4/10 Free plan Free plan✓ 2 of 2 features Visit site

vs

Domainr #8 in Domain Search Tools 8.5/10 Free plan Free plan✓ 1 of 2 features Visit Domainr

• Instant Domain Search fits best

  Most users needing a full domain search suite

• Domainr fits best

  Apps needing flexible domain suggestion APIs

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Side by side

Feature	Instant Domain Search 9.4/10 Visit ↗	Domainr 8.5/10 Visit ↗
At a glance
Editor score	9.4	8.5
Ranking	#1 in Domain Search Tools	#8 in Domain Search Tools
Best for	Most users needing a full domain search suite	Apps needing flexible domain suggestion APIs
Pricing model	Free	Free plan + paid
Starting price	Free	—
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Email, Docs	Docs
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Instant Domain Search 2/2 · Domainr 1/2
Bulk upload	✓ (best)	Not checked yet
API access	✓	✓
Specs
TLD count	800	Not checked yet
Bulk search limit	5000	Not checked yet
Domain variations	Advanced	Advanced
Export options	Csv	None
Our review
Pros	Searches availability across 800+ extensions in real time Checks up to 5,000 domains with paste or CSV import Adds AI suggestions, exports, research tools, and registrar comparisons	Algorithmic suggestions across thousands of top-level domains Precise registry and estimated DNS or aftermarket availability checks Filtering, Unicode support, and context-aware TLD suggestions
Cons	The product is focused on domain discovery and research Web and API access may not suit users seeking other platforms The Free plan is the published plan structure	Paid usage is billed through usage-based tiers No export options are provided Legacy Domainr API documentation is deprecated
Our verdict	Instant Domain Search is a web-based domain availability and registration discovery tool from Instant Labs, Inc. It is designed for individuals, businesses, developers, designers, and teams exploring, comparing, or protecting domain names.… Read the review →	Domainr is a web-based domain discovery service and API for searching domain names and checking availability. It is designed for website builders, hosting providers, CMS and ecommerce platforms, registrars, branding agencies, security… Read the review →

Strengths and trade-offs

• Instant Domain Search — where it wins

  • Searches availability across 800+ extensions in real time
  • Checks up to 5,000 domains with paste or CSV import
  • Adds AI suggestions, exports, research tools, and registrar comparisons

  Where it doesn't

  • The product is focused on domain discovery and research
  • Web and API access may not suit users seeking other platforms
  • The Free plan is the published plan structure

• Domainr — where it wins

  • Algorithmic suggestions across thousands of top-level domains
  • Precise registry and estimated DNS or aftermarket availability checks
  • Filtering, Unicode support, and context-aware TLD suggestions

  Where it doesn't

  • Paid usage is billed through usage-based tiers
  • No export options are provided
  • Legacy Domainr API documentation is deprecated

• Instant Domain Search9.4/10 · Free plan

  A broad free domain research suite with AI, bulk search, exports, and registrar comparisons.

  Visit siteFull verdict →
• Domainr8.5/10 · Free plan

  A flexible domain discovery API with free tiers for suggestions and availability checks.

  Visit DomainrFull verdict →