Customer Data Platforms (CDP)

Amplitude vs Customer.io

Compare Amplitude and Customer.io side-by-side. See feature differences and pricing in the Customer Data Platforms (CDP) category.

Most Features

Amplitude

by Amplitude

0.0 (0)

Pricing: Free for 2 million events a month with unlimited seats; Plus starts at $0 and scales with event volume; Growth and Enterprise quoted by sales. Checked September 2026.

Amplitude is a product and marketing analytics platform with a customer data pipeline, session replay and experiments, and unlimited seats on every plan.

15 /19 features Full profile

Customer.io

by Customer.io

0.0 (0)

Pricing: Essentials from $100/mo for 5,000 profiles billed monthly, from $505 at 50,000; Premium from $1,000/mo billed yearly; Enterprise on request; 14-day trial, no free plan

Customer.io is event-driven messaging with the customer data pipeline that feeds it in one product: email, push, in-app, SMS and WhatsApp for product-led teams.

14 /19 features Full profile

Feature Comparison

Customer Data Platforms (CDP) features side-by-side

Feature	Amplitude 15/19 features	Customer.io 14/19 features
Web and mobile event SDKs JavaScript, iOS and Android libraries that capture first-party events.	Yes	Yes
Server-side event API An HTTP API that ingests events from your backend.	Yes	Yes
Cloud app source connectors Pulls data from SaaS tools such as Stripe, Salesforce or Zendesk as sources.	Yes	Yes
Destination connectors Forwards events, traits and audiences to marketing, analytics and advertising tools.	Yes	Yes
Identity resolution Merges anonymous and known activity into one profile across devices and channels.	Yes	Yes
Unified customer profiles One profile per person with traits and event history, viewable in a UI.	No	Yes
Audience builder No-code segments built from traits and behavior and kept current automatically.	Yes	Yes
Computed traits Aggregates such as lifetime value or last order date calculated per profile.	Yes	No
Reverse ETL Syncs tables from your data warehouse back into SaaS tools.	No	Yes
Warehouse-native mode Queries Snowflake, BigQuery or Databricks in place instead of copying data into the vendor's store.	Yes	No
Data warehouse destination Loads raw events and profiles into Snowflake, BigQuery or Redshift on a schedule.	Yes	Yes
Tracking plan enforcement Validates incoming events against a schema and blocks or flags what does not match.	Yes	No
Consent enforcement Honors consent flags when forwarding data to each destination.	Yes	No
Regional data hosting A choice of EU or US instance for data storage and processing.	Yes	Yes
Real-time event streaming Events reach destinations in seconds rather than in batches.	Yes	Yes
Profile lookup API Returns a profile's traits by ID for real-time personalization in your own app.	Yes	Yes
Custom transformation functions Code that reshapes or enriches events in the pipeline before delivery.	Yes	No
Data subject deletion requests Deletes or suppresses a user across the pipeline and destinations on request.	No	Yes
Historical data replay Backfills a newly connected destination with past events.	No	Yes
Overall Rating	0.0 0 reviews	0.0 0 reviews

Amplitude 15/19 features

Web and mobile event SDKs: Yes
Server-side event API: Yes
Cloud app source connectors: Yes
Destination connectors: Yes
Identity resolution: Yes
Unified customer profiles: No
Audience builder: Yes
Computed traits: Yes
Reverse ETL: No
Warehouse-native mode: Yes
Data warehouse destination: Yes
Tracking plan enforcement: Yes
Consent enforcement: Yes
Regional data hosting: Yes
Real-time event streaming: Yes
Profile lookup API: Yes
Custom transformation functions: Yes
Data subject deletion requests: No
Historical data replay: No

0.0

(0)

Customer.io 14/19 features

Web and mobile event SDKs: Yes
Server-side event API: Yes
Cloud app source connectors: Yes
Destination connectors: Yes
Identity resolution: Yes
Unified customer profiles: Yes
Audience builder: Yes
Computed traits: No
Reverse ETL: Yes
Warehouse-native mode: No
Data warehouse destination: Yes
Tracking plan enforcement: No
Consent enforcement: No
Regional data hosting: Yes
Real-time event streaming: Yes
Profile lookup API: Yes
Custom transformation functions: No
Data subject deletion requests: Yes
Historical data replay: Yes

0.0

(0)

Pricing

Amplitude

Free for 2 million events a month with unlimited seats; Plus starts at $0 and scales with event volume; Growth and Enterprise quoted by sales. Checked September 2026.

View plans

Customer.io

Essentials from $100/mo for 5,000 profiles billed monthly, from $505 at 50,000; Premium from $1,000/mo billed yearly; Enterprise on request; 14-day trial, no free plan

View plans

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