Customer.io
Customer.io is a versatile customer engagement platform that allows you to send automated emails, push notifications, and SMS messages based on real-time behavioral data to improve user retention.
Proof
Proof is a social proof marketing platform that helps you increase website conversions by displaying real-time customer activity notifications like recent purchases and live visitor counts to your visitors.
Quick Comparison
| Feature | Customer.io | Proof |
|---|---|---|
| Website | customer.io | proof.com |
| Pricing Model | Subscription | Subscription |
| Starting Price | $100/month | $79/month |
| FREE Trial | ✓ 14 days free trial | ✓ 14 days free trial |
| Free Plan | ✘ No free plan | ✘ No free plan |
| Product Demo | ✓ Request demo here | ✓ Request demo here |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2012 | 2017 |
| Headquarters | Portland, USA | Austin, USA |
Overview
Customer.io
Customer.io is a powerful automation platform designed to help you send relevant messages based on how people interact with your product. Instead of sending generic blasts, you can trigger personalized emails, SMS, and push notifications when users perform specific actions. This ensures your communication is always timely and contextually aware, helping you move customers through your lifecycle funnel more effectively.
You can manage complex messaging workflows using a visual builder that maps out the entire customer journey. Whether you are onboarding new users, re-engaging inactive ones, or sending transactional updates, the platform provides the data-driven tools you need. It is particularly effective for SaaS companies and mobile apps that rely on real-time user data to drive growth and long-term loyalty.
Proof
Proof helps you build instant credibility with your website visitors by showing them that other people are already buying and using your products. Instead of relying on static testimonials, you can display real-time notifications of recent signups, purchases, and active visitor counts. This creates a sense of urgency and trust that encourages new visitors to take action.
You can easily install the software by adding a small pixel to your site and then customize how your notifications look to match your brand. The platform allows you to track how these alerts impact your conversion goals through a simple dashboard. It is designed for marketers and e-commerce store owners who want to turn more of their existing traffic into customers without increasing their ad spend.
Overview
Customer.io Features
- Data-Driven Segments Create dynamic groups of users based on real-time actions they take or don't take within your application.
- Visual Workflow Builder Design complex automated journeys with a drag-and-drop interface to visualize exactly how your customers receive messages.
- Multi-Channel Messaging Reach your audience wherever they are by sending emails, SMS, push notifications, and in-app messages from one platform.
- A/B Visual Testing Test different subject lines, content, or entire workflow paths to see which variations drive the best engagement.
- Transactional API Send critical system updates like password resets or purchase receipts while maintaining your brand's look and feel.
- Real-Time Analytics Track conversions and open rates instantly to understand how your automated campaigns impact your bottom line.
Proof Features
- Recent Activity. Show a live feed of real people who recently took action on your site to build immediate social proof.
- Live Visitor Count. Display the number of people currently browsing your page or site to create a sense of popularity and trust.
- Hot Streaks. Show the total number of people who have signed up or purchased in a specific period to highlight momentum.
- Custom Timing. Control exactly when notifications appear, how long they stay, and the delay between them to optimize your user experience.
- Advanced Targeting. Choose specific pages where you want notifications to appear or hide them from certain visitors based on their behavior.
- Conversion Analytics. Track exactly how many more leads and sales you generate by using social proof notifications on your landing pages.
Pricing Comparison
Customer.io Pricing
- Up to 5,000 profiles included
- Unlimited emails and SMS
- Visual workflow builder
- Community support
- Standard technical setup
- Email and push notifications
- Everything in Essentials, plus:
- Custom profile limits
- Priority technical support
- Dedicated success manager
- HIPAA compliance options
- Managed deliverability services
Proof Pricing
- Up to 10,000 visitors
- Unlimited domains
- Unlimited notifications
- Recent Activity alerts
- Live Visitor Count
- Hot Streaks
- Up to 50,000 visitors
- Everything in Pro, plus:
- Priority support
- Advanced targeting rules
- Remove Proof branding
- Early access to new features
Pros & Cons
Customer.io
Pros
- Highly flexible segmentation based on real-time events
- Intuitive visual builder for complex automation workflows
- Excellent deliverability rates for transactional and marketing mail
- Robust API for deep technical integrations
- Responsive and helpful technical support team
Cons
- Higher starting price point than basic competitors
- Steep learning curve for non-technical marketers
- Requires developer resources for initial data integration
Proof
Pros
- Extremely easy to set up with a single pixel
- Noticeable lift in conversion rates for high-traffic pages
- Clean and professional notification design options
- Integrates easily with most major landing page builders
- Real-time data updates provide genuine social proof
Cons
- Pricing scales quickly as your website traffic grows
- Limited customization for notification animations
- Requires high traffic volume to be truly effective