Segment vs RudderStack: CDP comparison
Segment has a higher AllCDP Global Index than RudderStack: 9.3 vs 8.0. Segment is a packaged CDP, RudderStack is a composable CDP. Choose Segment for ISO 27001, its own journeys and higher use cases, security and compliance and commerce scores.
Compared by public vendor data, checked Oct 29, 2026. Every value links to its source on the platform pages.
Which one to choose
Choose Segment if you need
- ISO 27001 declared
- Own journey orchestration
- Higher use cases score: 10.0 vs 6.7
- Higher security and compliance score: 10.0 vs 7.5
- Higher commerce score: 5.0 vs 2.5
Side-by-side comparison
 Twilio SegmentTwilio |  RudderStackRudderStack | |
|---|---|---|
| Category | Packaged CDP | Composable CDP |
| AllCDP Global Index | 9.3 of 10 · #2 | 8.0 of 10 · #16 |
| Use cases score | 10.0 | 6.7 |
| Data and architecture score | 10.0 | 10.0 |
| Integrations score | 10.0 | 10.0 |
| Security and compliance score | 10.0 | 7.5 |
| Transparency score | 10.0 | 10.0 |
| Activation channels score | 5.0 | 4.4 |
| Commerce score | 5.0 | 2.5 |
| Entry price | From $120/mo | From $265/mo |
| Billing unit | MTU (monthly visitors) | events |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Company size | SMB, Mid-market, Enterprise | SMB, Mid-market, Enterprise |
| SOC 2 Type II | Declared | Declared |
| ISO 27001 | Declared | Not documented |
| HIPAA | Declared | Declared |
| GDPR | Declared | Declared |
| SSO | Declared | Declared |
| Data hosting | US, EU | US, EU |
| Warehouse-native (zero-copy) | Declared | Declared |
| Reverse ETL | Declared | Declared |
| Orchestration | Own journeys and campaigns | Audiences only, sent to other tools |
| Own channels | None documented | None documented |
| Ad audiences | Google, Meta, TikTok and LinkedIn | Google, Meta, TikTok and LinkedIn |
| Connectors listed by the vendor | 700 | 200 |
| Ready-made from our reference list | 19 of 22 | 17 of 22 |
Integrations from our reference list
Both
Segment only
FAQ
Which is better, Segment or RudderStack?
It depends on the task. Segment leads on ISO 27001, its own journeys and higher use cases, security and compliance and commerce scores. AllCDP Global Index: Segment 9.3, RudderStack 8.0.
Which is cheaper, Segment or RudderStack?
By published entry prices, Twilio Segment is cheaper to start: $120/mo vs $265/mo. Billing units differ (Twilio Segment: MTU (monthly visitors); RudderStack: events), so compare quotes at your volume.
Do Segment and RudderStack work on top of a data warehouse?
Twilio Segment: warehouse-native work declared, reverse ETL declared; RudderStack: warehouse-native work declared, reverse ETL declared.
Which has more integrations?
Twilio Segment lists 700 connectors and has 19 of the 22 systems from our reference list; RudderStack lists 200 connectors and has 17 of the 22 systems from our reference list.