Blockify Checkout Customizer vs Unzer Checkout Booster
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for Blockify Checkout Customizer, Jun 1, 2026 for Unzer Checkout Booster.
The short answer
- Only Blockify Checkout Customizer lists a free plan.
- Blockify Checkout Customizer lists 13 features Unzer Checkout Booster’s listing doesn’t mention, including Cart alerts, Checkout alerts, Collection-specific.
Head to head
- United States
- United Kingdom
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
FREE
- · 1 active single rule (Limited condition)
- · 24/7 Live chat support
- · Best for development stores
BASIC
- · 1 Hide dynamic payment
- · 1 active sync Payment, Shipping
- · 24/7 Live chat support
- · 3 active Shipping Discounts
- · 3 active checkout validation rules
PREMIUM
- · 24/7 Live chat support
- · No limit to set COD fee
- · Order Status Page Customization
- · Unlimited Checkout validation rules
- · Unlimited Payment & Shipping rules
- · Unlimited Shipping Discounts rules
SHOPIFY PLUS
- · All include in Premium
- · Checkout Page Customizations
- · Checkout Upsell & Discounts
- · Exclusive Shopify Plus Condition Set
- · Order Status Page Customization
- · VIP Tier Support
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBlockify brings powerful checkout customization and checkout rules to your Shopify store. Use Blockify Checkout Rules customizer, validate carts and addresses, set oder limits, and streamline payment and shipping. Reduce friction on checkout customization & stop spam and fake orders with checkout form, and boost AOV with checkout rules/blocks and post‑purchase blocks.
The app displays installment and invoice messaging widgets on product and cart pages, with configurable layout, colors, fonts, and info modals. Merchants set checkout display name, sort order, minimum and maximum cart total, allowed customer countries, allowed currencies, and company name requirements per Unzer payment method. Payment events from Unzer — captures, refunds, and cancellations — sync to Shopify orders.
- Manage your info validation, payment, shipping on checkout page in 1 dashboard
- Create & validate checkout rules by shipping address, customer, date time, cart
- Hide shipping/payment methods to tailor checkout experience for customers
- Hide Express Checkout button on checkout page
- Show installment and invoice messaging on product and cart pages.
- Set name, order, cart limits, countries, and currencies per payment method.
- Sync captures, refunds, and cancellations between Shopify and Unzer.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure | Blockify Checkout Customizer |  Unzer Checkout Booster |
|---|---|---|
| Detected stores | 3,009 | Not published |
| Net store change, 28 days | +23 | 0 |
| Stores added, 28 days | 43 | Not enough data |
| Big-brand share | 17% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Not published |
| Top store countries | United States, United Kingdom, Canada | Not published |
Reviews
| Measure | Blockify Checkout Customizer | Unzer Checkout Booster |
|---|---|---|
| App Store rating | 4.9 ★ | Not published |
| App Store reviews | 319 | Not published |
| New reviews, 28 days | 10 | Not enough data |
| Reviewers a year or more in | 6% | Not enough data |
Pricing
| Measure | Blockify Checkout Customizer | Unzer Checkout Booster |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $9.99/month | No monthly plan listed |
| Longest free trial | 3 days | Not listed |
| Plans listed | 4 | Not published |
Listing
| Measure | Blockify Checkout Customizer | Unzer Checkout Booster |
|---|---|---|
| Shopify category rank | #1 | #36 |
| Shopify App Charts | #1 in Checkout - Other | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Aug 19, 2024 | May 26, 2026 |
| Languages | 1 | 1 |
| Developer | Blockify | Unzer Group GmbH |
FAQ
Blockify Checkout Customizer and Unzer Checkout Booster: common questions
- Is Blockify Checkout Customizer or Unzer Checkout Booster cheaper?
- Only Blockify Checkout Customizer lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Blockify Checkout Customizer lists 13 the others don’t mention, such as Cart alerts, Checkout alerts, Collection-specific, Custom branding. Unzer Checkout Booster lists 5 the others don’t mention, such as Payment messages, Widget color, Widget design, Widget placement. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 9, 2026 for Blockify Checkout Customizer, Jun 1, 2026 for Unzer Checkout Booster; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 9, 2026 for Blockify Checkout Customizer, Jun 1, 2026 for Unzer Checkout Booster. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.