Klaviyo Alternatives for Shopify
Klaviyo is a popular platform for Shopify merchants who want to manage customer communications and data. However, your business needs may be better served by a different tool, or by combining several specialized apps instead of a single platform.
This guide covers apps that address customer retention, loyalty, and engagement from different angles. Some work alongside email marketing, while others form the foundation of a multi-app engagement strategy.
How we evaluated these apps
We evaluated these apps based on their ability to help merchants increase customer lifetime value and build repeat purchases on the Shopify platform.
Our selection includes apps that address reviews, loyalty programs, subscriptions, product recommendations, and customer engagement through different channels.
At a glance
| # | App | Best for | Rating | Free plan | From |
|---|---|---|---|---|---|
| 1 | Judge.me Product Reviews App | Building trust through customer reviews | 5.0 | Yes | $15/mo |
| 2 | Smile: Loyalty Program Rewards | Building a loyalty program | 4.9 | Yes | $15/mo |
| 3 | Appstle℠ Subscriptions App | Subscription and recurring revenue | 5.0 | Yes | $10/mo |
| 4 | Kaching Bundles App & Upsells | Increasing average order value | 5.0 | Yes | $14.99/mo |
| 5 | Pop Convert ‑ Pop Ups, Banners | Direct customer engagement and data collection | 4.9 | Yes | $15/mo |
| 6 | Loox ‑ Product Reviews App | Visual and photo reviews | 4.9 | Yes | $49.99/mo |
| 7 | Preorder, Back In Stock ‑ STOQ | Managing inventory scarcity and demand | 5.0 | Yes | $10/mo |
1. Judge.me Product Reviews App
Best for Building trust through customer reviews
Judge.me Product Reviews App lets merchants collect and display customer reviews on product pages. Reviews serve as social proof that influences purchasing decisions, particularly for shoppers new to your brand.
The app gathers authentic customer feedback and presents it prominently, creating transparency around product quality and customer satisfaction.
Key features
- Unlimited product and store reviews
- Unlimited visual reviews (photos/videos)
- Review widget & star rating badge
- Carousels (Video, Cards, Testimonials)
- Google rich snippets & Google MyBusiness
What works
- Collects authentic customer feedback
- Displays reviews prominently on product pages
- Reduces purchase hesitation for new customers
What to watch
- Requires customers to take time to write reviews
- Requires management of negative feedback
Pricing
- Forever Free Free
- Awesome $15/mo
15-day free trial
Why it's here: Customer reviews directly impact conversion and are a core trust signal.
2. Smile: Loyalty Program Rewards
Best for Building a loyalty program
Smile creates a program where customers earn points for purchases, referrals, and social sharing. Loyalty programs incentivize repeat purchases by giving customers a tangible reason to return.
Rather than relying on email alone, a loyalty program provides customers with ongoing rewards for engagement and retention.
Key features
- Points, rewards & referrals
- 15+ ways to earn & redeem
- Discounts & free shipping rewards
- Full branding customization
- Multi-language support (20+ languages)
What works
- Creates incentives for repeat purchases
- Rewards referrals and social engagement
- Tracks customer activity across multiple touchpoints
What to watch
- Requires ongoing program management
- Customers must be motivated to participate
Pricing
- Free Free
- Essential $15/mo
- Standard $79/mo
- Growth $199/mo
14-day free trial
Why it's here: Loyalty programs create a direct retention mechanism independent of email marketing.
3. Appstle℠ Subscriptions App
Best for Subscription and recurring revenue
Appstle Subscriptions App allows merchants to offer subscription options for products, creating predictable recurring revenue and longer-term customer relationships. Subscription customers typically have higher lifetime value than one-time buyers.
The app handles billing, pause options, and customer management, making it easier to build a subscription business within Shopify.
What works
- Creates predictable recurring revenue
- Reduces constant need for new customer acquisition
- Builds longer-term customer relationships
What to watch
- Subscription customers may cancel if dissatisfied
- Requires clear value proposition to attract subscribers
Pricing
- Free Free
- Plan $10/mo
- Plan $30/mo
- Plan $100/mo
14-day free trial
Why it's here: Recurring revenue models create sustained customer loyalty beyond one-time transactions.
4. Kaching Bundles App & Upsells
Best for Increasing average order value
Kaching Bundles App lets merchants create product bundles and upsells. By offering complementary products together, you increase the value of each order without acquiring additional customers.
Strategic bundling encourages customers to spend more per transaction while helping them discover products they might have missed.
Key features
- Unlimited features
- Up to $1,000 of additional revenue
- Unlimited bundle deals
- Multiple layouts
- Endless customization
What works
- Increases average order value
- Encourages customers to purchase more items together
- Improves product discovery
What to watch
- Bundles must appeal to customers to succeed
- Requires strategic product pairing
Pricing
- Development stores Free
- Starter $14.99/mo
- Scale $29.99/mo
- Pro $59.99/mo
7-day free trial
Why it's here: Higher order values improve profitability from existing customer relationships.
5. Pop Convert ‑ Pop Ups, Banners
Best for Direct customer engagement and data collection
Pop Convert lets merchants create targeted pop-ups and banners for direct on-site communication. These can collect email addresses, announce offers, or guide customers to specific products in real time.
Direct on-site messaging reaches customers in the moment and builds customer data without depending solely on email marketing platforms.
Key features
- 1000 unique visitors/month
- 50 subscribers/month
- Popups
- Smart Bars
- Shopify Integration
What works
- Captures visitor attention at the right moment
- Collects email and customer information
- Can be targeted to specific visitor behaviors
What to watch
- Pop-ups can impact user experience if used excessively
- Requires careful timing and messaging
Pricing
- FREE Free
- UNLIMITED $15/mo
90-day free trial
Why it's here: On-site messaging builds direct relationships with customers before they leave your store.
6. Loox ‑ Product Reviews App
Best for Visual and photo reviews
Loox is a product reviews app that emphasizes photo and video reviews from customers. Visual content adds authenticity by showing products in real customer environments and actual use cases.
This approach helps potential customers see how products look in practice, providing context beyond text-based feedback.
Key features
- Review request emails & reminders
- Offer discounts for photo reviews
- 17+ widgets (Snippets, Carousels, etc.)
- Full customization for emails & widgets
- SEO: Google rich snippets & schema
What works
- Collects photo and video reviews from customers
- Shows products in authentic customer contexts
- Adds visual authenticity to product pages
What to watch
- Requires customers willing to submit photos or videos
- Visual content requires moderation
Pricing
- Beginner Free
- Convert $49.99/mo
- Unlimited $299.99/mo
14-day free trial
Why it's here: User-generated visual content builds stronger social proof than text reviews alone.
7. Preorder, Back In Stock ‑ STOQ
Best for Managing inventory scarcity and demand
Preorder, Back In Stock by STOQ helps merchants manage out-of-stock situations. Customers can preorder incoming inventory or request notifications when items return to stock, staying engaged even when products are unavailable.
This app turns inventory gaps into engagement opportunities, preventing lost sales and maintaining customer interest during restocking periods.
What works
- Captures customer demand for unavailable items
- Allows preorders to forecast future demand
- Automatically notifies waiting customers
What to watch
- Preorders require reliable inventory planning
- Customers may be frustrated by long wait times
Pricing
- Free Free
- Plan $10/mo
- Plan $29/mo
- Plan $69/mo
14-day free trial
Why it's here: Managing customer expectations during stock shortages maintains engagement and captures future sales.
Frequently asked questions
Can I use these apps alongside Klaviyo?
Yes. Many merchants use Klaviyo for email marketing while using specialized apps for loyalty, reviews, and subscriptions. These are not mutually exclusive and often work well together.
Which app should I start with?
Start with an app that solves your most immediate business need. If building trust is the barrier, choose a reviews app. If customer retention is the priority, start with loyalty. Most merchants add apps incrementally.
Do these apps integrate natively with Shopify?
All of these apps are built for Shopify and integrate directly with the platform, making installation and setup straightforward.
What are the typical costs for these apps?
Most Shopify apps operate on a subscription or fee-based model. See the pricing details for each app to understand costs and available free trial options.
Can these apps completely replace Klaviyo?
It depends on your business model. If email marketing is core to your retention strategy, these apps alone may not be sufficient. However, if you prefer a multi-app approach focused on loyalty, reviews, and direct engagement, you can build a complete system without a single email platform.
Do I need to use all of these apps?
No. Choose the apps that address your specific business needs. Many successful merchants use two or three complementary apps rather than a comprehensive suite.