Shopify App Comparison 2026
SendWILL Popup Email Marketing vs Mailchimp Email SMS Marketing: Shopify App Comparison (2026)
SendWILL Popup Email Marketing
Mailchimp Email SMS Marketing
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for SendWILL and Mailchimp Email SMS Marketing to find the best fit for your store.
Grow your email list fast with beautiful popups, spin wheels, and smart email capture forms.
View Full DetailsKey Features
- Spin-to-win gamified popups that boost email capture rates
- Exit-intent and scroll-triggered popup display rules
- Seamless integration with Klaviyo, Mailchimp, Omnisend, and other platforms
- Mobile-responsive popup designs with drag-and-drop customization
- Built-in email and SMS subscriber collection with discount code delivery
Verdict on SendWILL
SendWILL is the best free popup and list-building tool on Shopify, and its 4.9 rating across 7,000+ reviews speaks volumes. If your primary goal is growing your email list quickly, this app delivers with gamified popups, smart triggers, and zero cost. It pairs perfectly with a dedicated email platform like Klaviyo or Omnisend for a powerful marketing stack.
Create, send, and analyze email and SMS campaigns with AI-powered tools and audience insights.
View Full DetailsKey Features
- AI-powered Content Optimizer and subject line assistant for better open rates
- Customer Journey Builder with branching logic and multichannel triggers
- Advanced audience segmentation with predicted demographics and purchase likelihood
- Comprehensive A/B and multivariate testing for campaigns
- Detailed analytics dashboard with revenue attribution and benchmarking
Verdict on Mailchimp
Mailchimp is a solid choice for merchants who already know the platform or need a tool that extends beyond Shopify into broader marketing. Its AI features and deliverability reputation are strong assets. However, for a purely Shopify-focused store, ecommerce-native platforms like Klaviyo or Omnisend may offer tighter integrations and better value at scale.
SendWILL vs Marketing — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where SendWILL and Mailchimp Email SMS Marketing differ — so you can make an informed decision for your Shopify store.
| Feature | SendWILL Popup | Mailchimp Email SMS |
|---|---|---|
| Abandoned cart recovery | ||
| Welcome series | ||
| SMS marketing | ||
| Segmentation | ||
| A/B testing | ||
| Drag-and-drop builder | ||
| Pre-built templates | ||
| Built for Shopify | ||
| Free plan available |
Integration & Compatibility Comparison
App integrations matter — especially when you're running multiple tools in your Shopify stack. Here's what each app connects with out of the box.
SendWILL Popup Email Marketing
- Checkout
- Shopify Flow
- Shopify Admin
- Flow
- forms
Supported Languages
English, Chinese (Simplified), Chinese (Traditional), Turkish, Portuguese (Brazil), Portuguese (Portugal), Japanese, Italian, French, German, Dutch, Czech
Mailchimp Email SMS Marketing
- Checkout
- Shopify Flow
- Shopify Admin
- 2048 Variants
- Mixpanel
- Privy
- QuickBooks Online
- Smile.io
Supported Languages
English, Spanish, French, German, Portuguese (Brazil)
Frequently Asked Questions
Is SendWILL really free?
Yes, the free plan includes unlimited popups, impressions, spin-to-win wheels, and integrations with major email platforms. The Premium plan at $22/month adds branding removal and advanced targeting.
Does SendWILL send emails or just collect subscribers?
SendWILL focuses on collecting email and SMS subscribers through popups and forms. To send email campaigns, you need a separate platform like Klaviyo, Omnisend, or Mailchimp.
Can I connect SendWILL to Klaviyo?
Yes, SendWILL integrates directly with Klaviyo, Mailchimp, Omnisend, and many other email marketing platforms. Subscribers captured through popups sync automatically to your email lists.
Is Mailchimp good for Shopify stores?
Mailchimp works well with Shopify and syncs products, customers, and orders. However, ecommerce-native tools like Klaviyo and Omnisend offer deeper Shopify integrations with more granular data syncing.
Does Mailchimp offer SMS marketing?
Yes, Mailchimp has added SMS marketing capabilities that let you send text messages alongside email campaigns, though SMS features are less mature than dedicated multichannel platforms.
What is the Mailchimp free plan limit?
The free plan supports up to 500 contacts and 1,000 monthly email sends. It includes basic templates, a marketing CRM, forms, and landing pages.