★ Best post-purchase upsell 4.8
1.
Upsell.com (ReConvert)
The thank-you page is dead space on most stores. This app turns it into a revenue surface with one-click upsells that fire right after checkout, when trust is highest and card details are already entered. Formerly ReConvert, now Upsell.com.
- Rating4.8 stars, 2,800+ reviews
- JobPost-purchase upsell
- Used by40,000+ brands
- Typical liftAround 10-15% AOV
What wins us over
- Turns the thank-you page into a one-click upsell surface
- Cart, checkout and post-purchase funnels in one app
- Customers buy again without re-entering payment details
What to consider
- Per-order pricing climbs as volume grows
- Recently rebranded from ReConvert to Upsell.com, which confuses some search results
Our verdict: The first app most stores should install. It monetizes a page you already have and pays for itself fast.
Best photo reviews 4.8
2.
Loox
People trust photos from real buyers more than anything a brand says about itself. Loox automates the collection of photo and video reviews and displays them in galleries that fit the theme, which is why visual brands keep choosing it.
- Rating4.8 stars, 7,500+ reviews
- JobVisual social proof
- Used by100,000+ stores
- BonusReferral program built in
What wins us over
- Photo and video reviews collected on autopilot after purchase
- Gallery widgets that genuinely lift product-page conversion
- Referrals included, so happy customers recruit new ones
What to consider
- No free plan, unlike Judge.me
- Strongest for visual products; less point for plain commodities
Our verdict: The reviews app for brands where the product has to be seen. For everything else, Judge.me does the job for free.
Best lead capture 4.7
3.Alia
Every retention dollar starts with a captured email. Alia replaces the static popup with offers it tests and optimizes automatically, and stores switching to it usually see opt-in rates jump. The list it builds powers everything else in this stack.
- JobEmail and SMS capture
- MethodAI-tested popups
- FeedsKlaviyo and your flows
- Best forGrowing the list
What wins us over
- Popups that get tested and optimized instead of set and forgotten
- Captures email and SMS in one flow
- Everything downstream (flows, winbacks) depends on the list this builds
What to consider
- Another popup on the site, so configure frequency rules with care
- Pricing scales with traffic, check the tier that fits yours
Our verdict: The highest-leverage app at the top of the funnel. A better opt-in rate compounds through every email you ever send.
Best email and SMS 4.7
4.Klaviyo
Klaviyo remains the default for a reason: it reads Shopify data better than anyone and turns it into automated revenue. The welcome series, abandoned cart and winback flows alone typically pay for the subscription many times over.
- JobEmail and SMS marketing
- StrengthShopify data depth
- Key flowsWelcome, abandon, winback
- Best forRetention revenue
What wins us over
- The deepest Shopify data integration of any email platform
- Abandoned cart and winback flows that run themselves
- Segmentation that actually uses purchase behavior
What to consider
- Costs rise quickly as the list grows
- Powerful enough to be overwhelming on day one
Our verdict: Still the retention backbone. Set up three flows (welcome, abandoned cart, winback) and let it earn quietly.
Best budget reviews 4.8
5.Judge.me
Judge.me wins on value. The free plan sends unlimited review requests, the widgets load fast, and the $15 Awesome plan is one of the cheapest meaningful upgrades in the entire app store. Most stores never need more than this.
- RatingOne of the highest on the store
- JobReviews and ratings
- Free planUnlimited review requests
- BonusGoogle rich snippets
What wins us over
- Unlimited review requests even on the free plan
- Fast widgets that do not drag page speed down
- SEO rich snippets that put stars in Google results
What to consider
- Less visual polish than Loox galleries
- Branding on the free plan widgets
Our verdict: The sensible default for most stores. Start free, upgrade to Awesome at $15 when you want the branding gone.
Best AI cross-sell 4.6
6.Rebuy
Rebuy is what personalization looks like when it works: every shopper sees a different store, merchandised by AI from their behavior. It earns its price tag once you have the traffic and catalog for the recommendations to learn from.
- JobPersonalized recommendations
- WhereProduct, cart, checkout
- Plays well withKlaviyo and ReConvert
- Best forStores past first traction
What wins us over
- AI recommendations across product pages, cart and checkout
- Smart cart that merchandises itself
- Integrates cleanly with the rest of this stack
What to consider
- Priced for stores doing real volume
- Needs catalog depth to shine; thin stores see less benefit
Our verdict: The upgrade once ReConvert is humming and you want personalization across the whole journey, not just post-purchase.
Best loyalty and rewards 4.5
7.Smile.io
Acquiring a customer twice costs nothing compared to acquiring two customers. Smile.io is the easiest way to bolt a points, VIP and referral program onto a store, and for repeat-purchase categories it compounds quietly month after month.
- JobLoyalty and referrals
- ProgramsPoints, VIP tiers, referrals
- Used by100,000+ merchants
- Best forRepeat-purchase businesses
What wins us over
- Points, VIP tiers and referrals without custom development
- Launches in an afternoon
- Gives customers a reason to come back instead of comparison shopping
What to consider
- Free plan is genuinely limited
- Loyalty only moves the needle once you have repeat-purchase potential
Our verdict: Worth it the day retention becomes your growth lever. Consumables and fashion see it pay off fastest.
Best landing pages 4.5
8.PageFly
Sending paid traffic to a stock product page leaves money on the table. PageFly builds dedicated landing pages matched to the ad that brought the click, which is one of the most reliable conversion improvements a store can make.
- JobLanding page builder
- EditorDrag and drop
- Best forPaid traffic campaigns
- SpeedLight, theme-friendly output
What wins us over
- Purpose-built landing pages for ads instead of generic product pages
- Drag-and-drop editing with real design control
- Free plan is enough to test the workflow
What to consider
- Page builders can drift off-brand without discipline
- Complex pages still benefit from a designer's eye
Our verdict: If you spend on ads, dedicated landing pages are one of the cheapest conversion lifts available. PageFly is the proven pick.
Best free site search 4.4
9.Shopify Search & Discovery
Shoppers who use site search are the highest-intent visitors a store has, and most stores serve them badly. Shopify's own Search & Discovery app fixes synonyms, filters and ranking for free, which makes it the easiest yes on this list.
- JobOn-site search and filters
- PriceCompletely free
- ByShopify itself
- Best forStores with 50+ products
What wins us over
- First-party Shopify app, free forever
- Search synonyms, filters and product boosts
- Customers who search convert at multiples of those who browse
What to consider
- Less powerful than paid search apps at large catalog sizes
- Worthless on tiny catalogs where browsing is enough
Our verdict: A free install that pays off the moment your catalog is big enough that customers search instead of scroll.
New: AI support workspaceNo reviews yet
10.
Ecom Wizzard
The newest entry here, fresh on the App Store as of June 2026. Ecom Wizzard connects to your store read-only and assembles an AI support workspace from your orders, customers and products. Too new to rank against the veterans, but free and worth a look.
- StatusLaunched June 11, 2026
- JobAI support workspace
- AccessRead-only store data
- PriceFree right now
What wins us over
- Unifies orders, customers and product data into one support dashboard
- AI-assisted replies with full customer context
- Free while it builds its review base, so trying it costs nothing
What to consider
- Brand new, with no reviews yet to lean on
- Feature depth trails the established helpdesks for now
Our verdict: One to watch rather than a proven pick. At free, the cost of finding out whether it fits your support workflow is zero.