Top Sales Agencies

Demand Frontier vs Inbox Attack

A head-to-head comparison of Demand Frontier and Inbox Attack in lead generation agencies, scored across the same 5 weighted criteria so you can see exactly where each agency is stronger.

Demand Frontier

AI-powered B2B marketing services that move faster and deliver more.

62/ 100 overall
Inbox Attack

B2B marketing that doesn't hold you hostage.

67/ 100 overallHigher score

Score-by-score

CriterionDemand FrontierInbox Attack
Website Presence(20%)8274
Search Visibility(20%)5838
Trust & Credibility(20%)6379
Market Presence(15%)6668
Customer Satisfaction(10%)2286
Overall6267

Pricing at a glance

Demand Frontier

Model
Custom-quoted B2B agency engagements, with evidence pointing to project-based work and possible hourly-scoped work; the agency also describes itself as an "agency-as-a-service" extension of the client team and emphasizes measurable-outcomes engagements rather than fixed public packages.
Typical range
$100–$149 / hr
Full Demand Frontier pricing →

Inbox Attack

Model
Hybrid fixed-fee/project pricing plus monthly retainer options, with a la carte service pricing and paid 1:1 sessions. Specifically: one-off system builds and audits sold at flat fees, channel/package builds sold as fixed-price packages, and an ongoing 3-month managed engagement sold as a monthly retainer. Not performance-based; the site explicitly says they turn down commission-based projects and appointment-setting work.
Typical range
$145-$2,650 per fixed-price service or session
Full Inbox Attack pricing →
Demand Frontier profile →Inbox Attack profile →← All lead generation agencies