DemandTools vs Melissa Data Quality

DemandTools has no write-up on Specifiction yet; its figures are above.

Melissa Data Quality helps organizations maintain contact records by standardizing, verifying, and correcting addresses, email addresses, phone numbers, and names. Its workflow can profile and monitor data, cleanse and standardize it, enrich verified records, and consolidate duplicates into a golden record. Address tools cover more than 250 countries, and name recognition includes more than 650,000 first and last names. Phone checks authenticate and geolocate mobile and landline numbers, and assess whether mobile numbers are live and callable. Email checks validate domain, syntax, and spelling, with SMTP testing or a real-time inbox check available. Deployment choices include on-premise APIs and web services supporting REST, JSON, and XML. Integrations include Salesforce, Microsoft Dynamics, Excel, Microsoft 365, Google Sheets, Shopify, and Snowflake. The listed GAV Free plan provides 250 records per month at free; paid plans include monthly subscriptions and one-time address verification. Subscription options include compliance reports, unlimited technical support, and a standard 99.9% SLA guarantee.