Fentner Business Spotlight

Krabat vs Salesforge 2026: Pay per Email Against $417 a Month for Agent Frank

Per-email billing and per-contact annual billing put risk in different places. We compared Krabat with Salesforge's Agent Frank, the clearest monthly-plan contrast, using Salesforge's site as of 24 September 2026.

  • Krabat: $0.05 per email, inboxes included, no subscription, daily cap
  • Agent Frank: $417/month annual (up to 1,000 active contacts), $499 for 2,000+; mail infrastructure extra
  • Same money: $417 on Krabat = 8,340 emails
  • Other billing units: AiSDR per researched contact, Amplemarket per user

Key topics: pay per email AI SDR, Salesforge alternative, Agent Frank pricing, usage-based AI SDR.

The CEO survey behind the wider ranking: Fentner, best AI SDR tools 2026

Per-email pick: Krabat

What is Fentner Business Spotlight?

Fentner Business Spotlight is the audio edition of the firm's published research. Fentner Group assesses brands, products, and market structure in digital markets from evidence any reader can obtain, under criteria fixed before the review begins. Each episode covers one report and links to the published text.