Causo vs Smartlead
Causo and Smartlead are both sales engagement & outbound tools. Causo is aimed at small businesses and freelancers, while Smartlead is aimed at agencies and small businesses. Causo costs less, from $19/mo versus $39/mo for Smartlead. Only Causo has a free plan.
AI prospecting agent that researches leads with sources, plus MCP
Cold email infrastructure for agencies
| Pricing | Freemium · $19 | Paid · $39 |
| Starting price | $19/mo | $39/mo |
| Free plan | Yes | No |
| Free trial | — | 14 days |
| Built for | Small businesses, Freelancers, Agencies | Agencies, Small businesses |
| Platforms | web | web |
| Country | GB · 2025 | US · 2022 |
| Rating | — | — |
Choose Causo if
Founders and small sales teams prospecting into niche markets who want sourced research rather than raw database filters.
- Finds companies in niches that static databases miss
- Every match comes with sources you can check
- Low $19 entry plan and a free start without a card
Look elsewhere if: Sales teams that need a huge contact database, CRM sync and full multichannel sequencing (Apollo, ZoomInfo).
Choose Smartlead if
Lead generation agencies and high-volume senders.
- Built for agencies
- Unlimited mailboxes
- Strong API
Look elsewhere if: Teams wanting personalization-led multichannel (lemlist).
Causo vs Smartlead pricing
Causo
- Free$050 one-time tokens, 20 agent messages, 1 mailbox, no card
- Let me try$19/mo100 tokens/mo, unlimited agent messages, CSV export
- Founder's Delight$79/mo500 tokens/mo, up to 3 mailboxes, top-ups $0.30/token
- Serious Business$259/mo2,000 tokens/mo, up to 5 mailboxes, top-ups $0.30/token
- EnterpriseCustomCustom tokens, unlimited mailboxes, team workspace
Smartlead
- Base$39/mo$32 billed annually; 2,000 contacts, 6,000 sends
- Pro$94/mo$78 billed annually; 30,000 contacts, 90,000 sends
- Unlimited Smart$174/mo$144 billed annually; 150,000 sends
- Unlimited Prime$379/mo$315 billed annually; 500,000 sends
Causo · Key features
- Plain-language ideal customer search across public web sources
- Sourced evidence explaining why each company matches
- Decision-maker lookup with email verification
- Research-based outreach drafts you edit before sending
- Connected mailboxes and one-token outreach sequences
- Remote MCP server for Claude, ChatGPT, Cursor and Codex
Cons
- No CRM integration named on the site
- Tokens run out quickly on large prospect lists
- Prices are marked early bird and may change
Smartlead · Key features
- Unlimited mailboxes and rotation
- AI-driven warm-up
- Master inbox for replies
- Sub-sequences based on reply intent
- White-label client portal
- API and webhooks
Cons
- Email only
- UI less polished
- Deliverability depends on setup
Causo vs Smartlead: FAQ
Which is cheaper, Causo or Smartlead?
Causo starts at $19/mo and Smartlead at $39/mo. Both prices are checked on the vendors' own pricing pages.
Do Causo and Smartlead have a free plan?
Causo has a free plan. Smartlead has no free plan, a 14-day free trial.