Wren AI vs Chat2DB vs Holistics vs Sigma
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Wren AI
Text-to-SQL and GenBI on a semantic layer, with an open-source CLI
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Holistics
Singapore-built BI where metrics live as code and AI answers from them
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Sigma
Spreadsheet-style analytics on your cloud data warehouse — no SQL requ...
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| RECATOOLS Score | 7.4 / 10 | 7.8 / 10 | 8.1 / 10 | 8.2 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Freemium | Freemium | Paid | Paid |
| Free tier | Free Cloud plan: 20 monthly credits, 2 projects, 2 members, 10 tables per project, plus 80 trial credits for 14 days; open-source engine/CLI free under Apache-2.0 | Community edition — full SQL client, 16 DB connections, bring your own AI key | — | Free trial, no credit card required |
| Paid from | From $179/mo billed annually ($259 billed monthly); Enterprise Cloud $559/mo | Starter $9/user/month, or $8 a month billed yearly | $800/month billed yearly (Entry, first 10 users, 100 reports), or $960 monthly | Custom enterprise quote; no public list pricing |
| Has API | ✓ | ✓ | ✓ | ✓ |
| Open source | ✓ | ✓ | ✗ | ✗ |
| Free to use | ✓ | ✓ | ✗ | ✗ |
| Users | — | Over 1 million users (self-reported, as of 2025) | Customers across 40 countries; ~65-person team; ~$5M ARR (reported June 2024) | Used by thousands of enterprise customers (exact count not publicly disclosed) |
| Founded | — | 2023 | 2015 | 2014 |
| Maker | Independent (Canner, Inc.) | CodePhiliaX (independent; originally incubated under Alibaba open-source) | Vincent Woon (CEO), Huy Nguyen (CTO), Thanh Dinh Khac | Sigma Computing, Inc. (independent) |
| Verdict | Wren AI is a thoughtful text-to-SQL product whose semantic layer, governance controls and MCP server make it more credible for real data teams than a bare chat-to-SQL tool. Its open-source story has narrowed: the self-ho... |
Chat2DB earns its GitHub crown through breadth: 30+ database engines, 10+ LLM backends including Qwen and DeepSeek, and a functional free Community edition under Apache 2.0. Pro runs $39.80/month ($19.80/month billed ann... |
Holistics suits analytics engineers who want metrics defined once, as code, and reviewed in pull requests. The 2026 AI work builds on that: an MCP server, bring-your-own Claude or Gemini, AI-built dashboards and schedule... |
Sigma doubled its valuation to $3 billion in an $80 million Series E closed in May 2026 — led by Princeville Capital, with Databricks Ventures, ServiceNow Ventures, and Workday Ventures all riding along, which says somet... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.