Shopify App Comparison 2026

Mailchimp Email SMS Marketing

4.71,128 reviews
VS

SendWILL Popup Email Marketing

4.97,134 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Mailchimp and SendWILL Popup Email Marketing to find the best fit for your store.

Create, send, and analyze email and SMS campaigns with AI-powered tools and audience insights.

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Key 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.

Grow your email list fast with beautiful popups, spin wheels, and smart email capture forms.

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Key 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.

Frequently Asked Questions

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.

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.