While Channels are the same, Notifications aren't

SuprSend provides everything you need to send notifications that users love: composable in-app notifications, flexible user preferences, observability and logging. All within one developer-first platform.

Differentiation Table
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Discover how SuprSend differs from Customer.io

SuprSend provides notification building blocks, unified APIs, SDKs, React components - so you deliver the best experience to your customers. Experience the modern way of building notifications.

Build Cross-Channel Notification Workflows with Ease

Create powerful notifications with ease — Batching, Preferences, Timezone Awareness, Digests, and more. Trigger multi-channel alerts using unified Workflows API.

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Gain Observability for Each & Every Notification

No need to guess whether a notification was delivered to a particular recipient. With a robust observability layer in logs, conduct RCAs for each and every notification confidently.

Design native In-app Experience & Retain Users

Engage users within the product via the in-app notification center. Get up and running with a native looking in-app notification center within an hour.

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Pricing that Scales with You

And the biggest advantage of SuprSend over Customer.io is it’s flexible pricing.

Unlike other marketing automation tools that impose fixed annual cost lock-ins regardless of usage fluctuation, SuprSend liberates you from annual commitments, allowing flexible scaling as your business expands, with pay-as-you-go pricing.
Users/month
5,000
Users/month
50,000
Users/month
100,000
SuprSend
$
1,200
Customer.io
$
1,800
Annual Pricing
SuprSend
$
3,600
Customer.io
$
6,000
Annual Pricing
SuprSend
$
6,000
Customer.io
$
20,000
Annual Pricing

Compare features of Customer.io and SuprSend

Here is an overview of how the two products stack up against each other in terms of features and integration effort.

Parameter

Customer.io

SuprSend

Built for
Marketers/ Customer Retention teams
Engineers/ Product Teams
Best for Notification Types
One-time campaigns, promotional, lifecycle messaging for retention
Transactional notifications, product alerts, engagement notifications, complex use-cases such as batching, reminders, list-based alerts
Channels Supported
Transactional: Email & Push
Campaigns: Email & Push, pop-ups, Slack, SMS
Email, SMS, Push, in-app inbox, Whatsapp, Slack, Teams, Webhooks, Web
In-app Notification Center
Not available
In-app notification center with pre-built Components & headless
User Preferences
Basic - At category level
Advanced - Granular preferences at category, channel & frequency level with pre-built UI
Users Management
Available
Available
Multi-tenancy
Not available
Available
Batching & Digests
Not supported
Supported (reduces bombarding)
Intelligent Channel Routing
Not Supported
Supported (reduces bombarding)
Vendor Fallback
Not Supported
Supported
Notification Logs
Basic logs - at user level & campaign level
Advanced step-by-step logs - at user, channel and workflow level
CI/ CD, CLI support
Not Supported
Supported (to integrate with devs workflow)
SDKs Available
Frontend only
Both Frontend and Backend
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Chat to sales
Built for
SuprSend
Engineers/ Product Teams
Customer.io
Marketers/ Customer Retention teams
Notification Types
SuprSend
Best for transactional notifications, product-related notifications, complex use-cases such as collaborative notifications demanding batching, retention messages, cohort-based messages
Customer.io
Best for one-time messaging, promotional/ lifecycle messaging for retention, marketing notifications
Events
SuprSend
Universal, your events could come from codebase, inapp/ website, CDPs, data warehouses, CRM and even scheduled tasks
Customer.io
Inapp or website events and user attributes
SDKs Supported
SuprSend
Both Front-end and Backend
Customer.io
Front-end only
User Creation/ Update/ Deletion
SuprSend
via API, SDK, CSV upload
Customer.io
via API, SDK, CSV upload
Notification Logs
SuprSend
At user, channel and campaign level
Customer.io
Not at user level
Multi-tenancy/ Whitelabelling
SuprSend
Available
Customer.io
Not Available
User Preferences
SuprSend
Available at channel/ notification type/ frequency/ digests level
Customer.io
Available
Notifications Batching
SuprSend
Supported (can save your costs)
Customer.io
Not Supported
Personalization
SuprSend
Based on demographics and custom-defined user attributes
Customer.io
Based on demographics or user attributes
Vendor Routing for Fallback
SuprSend
Supported
Customer.io
Not Supported
Multi-channel Message Routing
SuprSend
Supported (ensures higher seen rates)
Customer.io
Not Supported
Channels Supported
SuprSend
Email, SMS, push, in-app inbox, Whatsapp, Slack, Teams, Discord, Webhooks, Web
Customer.io
Only email and push for transactional notification
CI/ CD, CLI support
SuprSend
Supported (to integrate with devs workflow)
Customer.io
Not Supported
HTTP GET support
SuprSend
Supported
Customer.io
Not Supported

Built for Developers with API-first approach

Templates

Decouple your templates from code by creating and managing them centrally via dashboard or API.

Multi-tenancy

Manage multiple tenants or user groups within a single system, ensuring data isolation and customized experiences with templates, preferences, vendors and more.

Isolated Environments

Prevent live testing risks. Establish separate staging and production environments for better control and stability.

Lists / Cohorts from Data Warehouse

Access your data warehouse in real-time to synchronize user cohorts for campaign and broadcast delivery via API calls.

CI/CD Deployment

Streamline workflows & deployment across staging and production with CLI for efficient updates while ensuring code integrity.

Frequently asked questions

What technical features differentiate SuprSend and Customer.io?
  • Delivery Methods:
    • SuprSend: Offers a flexible API for sending notifications across various channels (email, SMS, push notifications, in-app notifications, slack) depending on your integrations. It integrates with platforms like SendGrid, Twilio, and Pusher for specific channels.
    • Customer.io: Primarily focuses on email and push notifications with built-in functionality for each channel. Integrations with external providers for in-app messaging might be needed.
  • Scalability:
    • SuprSend: Built for handling high-volume notifications with features like message queuing and rate limiting to ensure reliable delivery.
    • Customer.io: Scales well for marketing campaigns but might not be optimized for extremely high-volume transactional notifications.
  • Developer Experience:
    • SuprSend: Requires coding knowledge for using the API and integrations. Offers robust documentation and SDKs for various programming languages.
    • Customer.io: Offers a user-friendly interface with drag-and-drop functionality for building campaigns. However, extensive customization might require coding with their API.
  • Data & Segmentation:
    • SuprSend: Allows sending personalized notifications with user data passed through the API. Integrates with customer data platforms (CDPs) for advanced segmentation.
    • Customer.io: Strong focus on customer data with built-in segmentation tools based on user behavior and attributes. Integrates with external CDPs for even richer data profiles.
What are the security considerations for each platform?
  • Customer.io: Offers data encryption, role-based access control, and compliance certifications relevant to marketing data (e.g., GDPR, CCPA).
  • SuprSend: Provides robust security features like data encryption, access controls, and compliance certifications (e.g., SOC 2, GDPR, HIPAA).
How do pricing models differ?
  • Customer.io: Usually priced based on the number of contacts and features used. Free plan available with limitations on contacts and features.
  • SuprSend: Typically priced based on message volume and features used. Free plan available with limited features.
Can I integrate both SuprSend and Customer.io into my application?
Yes, both platforms offer APIs that allow for integration. You could leverage SuprSend for transactional notifications andfor marketing campaigns within the same application.
When to choose SuprSend vs Customer.io?
  • Customer.io: shines for marketers seeking a user-friendly platform for personalized customer engagement campaigns.
  • SuprSend: excels for developers needing a scalable and flexible notification delivery system.
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