DemandScience vs Wiza

DemandScience

6.0 #62 in B2B Contact Data Providers

About DemandScience

Wiza

8.0 #10 in B2B Contact Data Providers

About Wiza
DemandScienceWiza
Free planNoYes
Free trialNoNo
Paid from——
Open sourceNoNo
PlatformsWebapi, extension, Web
Free plan—Yes
Paid from—$49/user/mo
Contact database size—850,000,000 contacts
Direct-dial data—Yes
Technographic filters—Yes
API access—Yes

Both are listed in Best B2B Contact Data Providers. On The Geeks Club, Wiza scores higher on our published basis.