Causo vs OpenSparta
Causo and OpenSparta are both sales engagement & outbound tools. Causo is aimed at small businesses and freelancers, while OpenSparta is aimed at small businesses and agencies. OpenSparta costs less, from $9/mo versus $19/mo for Causo. Both have a free plan.
AI prospecting agent that researches leads with sources, plus MCP
Telegram operations and marketing workspace for teams
| Pricing | Freemium · $19 | Freemium · $9 |
| Starting price | $19/mo | $9/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Small businesses, Freelancers, Agencies | Small businesses, Agencies |
| Platforms | web | web |
| Country | GB · 2025 | — |
| 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 OpenSparta if
Causo vs OpenSparta 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
OpenSparta
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
OpenSparta · Key features
Causo vs OpenSparta: FAQ
Which is cheaper, Causo or OpenSparta?
OpenSparta starts at $9/mo and Causo at $19/mo. Both prices are checked on the vendors' own pricing pages.
Do Causo and OpenSparta have a free plan?
Yes, both Causo and OpenSparta have a free plan; paid plans add more usage and features.