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Apache Unomi vs RudderStack Customer Data Platform

Both stand on customer data platforms. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Apache Unomi

Free plan Open source APILinuxSelf-hosted+1

Apache Unomi combines profile and event management with rules, segments, and privacy API capabilities. Its lack of a default privacy interface makes implementation work necessary for teams offering those controls to users.

Visit Apache Unomi

RudderStack Customer Data Platform

Free plan Open source AndroidAPIExtension+5

RudderStack combines warehouse-based data collection, customer profiles, governance, and downstream activation. Review the event allowance and support level against your team's needs; Enterprise pricing is custom.

Visit RudderStack Customer Data Platform

The facts

Apache UnomiRudderStack Customer Data Platform
Free planYesYes
Open sourceYesYes
Runs onAPI, Linux, Self-hosted, WebAndroid, API, Extension, iPhone, Linux, Mac, Self-hosted, Web
Lowest paid planFree or on requestGrowth: $265 a month
Plans published13
MakerNot publishedNot published
Websiteunomi.apache.orgrudderstack.com
On customer data platforms#1 of 58#2 of 58

Apache Unomi: what it does well

  • Tracks users and associates events with profiles
  • Rules can act on collected profile events
  • Privacy API supports review, anonymization, and deletion
  • Plugins can add beacon tracking and push notifications
  • Free Apache open-source project

What to know first

  • No default interface for privacy controls
  • No free trial
  • Requires developer work to expose privacy controls

RudderStack Customer Data Platform: what it does well

  • Collects and routes data in real time.
  • Free plan includes 250K events per month.
  • Identity-resolved data can reach 200+ tools.
  • Includes schema management and consent automation.
  • Lists SSO, permissions management, and audit logs.

What to know first

  • Free processing stops after a second consecutive overage.
  • Free plan support is community Slack, without dedicated support.
  • Growth costs $265 a month.
  • Enterprise pricing is custom.

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