kitio.aiRudderStack vs DolphinDB
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. RudderStack starts at $265/mo and DolphinDB starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Event collection SDKs
- Warehouse destinations
- Reverse ETL
- MCP server and CLI
- Chat access to customer data
- Profiles and data apps
- Distributed time-series database
- Stream and batch processing
- Text-to-SQL queries
- RAG knowledge search
- Native MCP support
- In-database ML inference
| Feature | RudderStack | DolphinDB |
|---|---|---|
| Best for | Warehouse-native customer data platform built for AI agents | Time-series database with built-in RAG, text-to-SQL and MCP support |
| Category | Data & analytics | Data & analytics |
| Pricing model | Freemium | Freemium |
| Starting price | $265/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | RudderStack | DolphinDB |
| Based in | United States | China |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
RudderStack starts at $265/mo and DolphinDB starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 250K events per month
- 16 SDK sources
- 200+ cloud destinations
- Reverse ETL
Growth
$265/mo
- From 1 million events per month
- 30-day free trial
- 15% off with annual billing
Enterprise
Contact sales
- 5-minute warehouse sync
- Unlimited transformations
- HIPAA and SSO
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
RudderStack
- Free tier with 250K events
- Works on top of your own warehouse
- MCP and CLI for agent workflows
- Free plan stops processing after repeated overages
- Growth plan starts at $265 a month
- Profiles need higher plans
DolphinDB
- Fast queries on very large datasets
- Built-in finance analysis toolkit
- LLMs can query data through MCP
- Proprietary scripting language to learn
- Pricing not shown on the homepage
- Mostly geared toward finance use cases
Which one should you choose?
Choose RudderStack if you want:
- Free tier with 250K events
- Works on top of your own warehouse
- MCP and CLI for agent workflows
Watch out: free plan stops processing after repeated overages.
Choose DolphinDB if you want:
- Fast queries on very large datasets
- Built-in finance analysis toolkit
- LLMs can query data through MCP
Watch out: proprietary scripting language to learn.
RudderStack vs DolphinDB FAQ
What is the difference between RudderStack and DolphinDB?
RudderStack: Warehouse-native customer data platform built for AI agents. DolphinDB: Time-series database with built-in RAG, text-to-SQL and MCP support. Both are data & analytics tools.
Is RudderStack or DolphinDB cheaper?
RudderStack starts at $265/mo and DolphinDB starts at See pricing page. Check both pricing pages for current plans.
Do RudderStack and DolphinDB have free plans?
RudderStack: Yes. DolphinDB: Yes.
Who makes RudderStack?
RudderStack is made by RudderStack, based in United States.
Who makes DolphinDB?
DolphinDB is made by DolphinDB, based in China.
Which should I choose, RudderStack or DolphinDB?
Choose RudderStack if you value free tier with 250k events and works on top of your own warehouse. Choose DolphinDB if you value fast queries on very large datasets and built-in finance analysis toolkit.