Legacy Check vs Swimm

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Legacy Check compared with Swimm
Detail	Legacy Check	Swimm
What it does	Free risk assessment tool for legacy systems with modernization recommendations	Agentic modernization delivered through code understanding and application delivery
Stage	Established	Established
Founded	2013	2019
Based in	DE	Not given
Pricing model	Free	Contact for pricing
Pricing	Not given	Not given
Key features	Six-question risk assessment covering technology, version, maintenance, hosting and documentation Risk score normalized from 0 to 100 Identifies biggest risk drivers Provides first steps for modernization	Grounding layer: deterministic code mapping to 100% coverage with expert verification System Intelligence: complete verified map of business rules, flows and dependencies Swimm platform with search, rules, glossary and agent interfaces One-week grounding sample on code sample before full commitment
What makes it different	Completes assessment in approximately two minutes Accessible consultation available with expert	Complete deterministic code mapping verified by domain experts before any AI work begins End-to-end service delivering working code, not just analysis Ownership model where customers retain all code, specs and living system map 95%+ accuracy representation of system grounded in code with expert verification
Works remotely	Not given	Not given
How you hire them	Not given	Not given
Free first call	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	38 no change since last check	67 +1 (up) since last check
Trust Flow (Majestic)	25	15
Citation Flow (Majestic)	32	33
Referring domains (Majestic)	105	895

6 details filled in for both companies.

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