Checkout Assurance vs PayPager: Failed Payment Alert
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Checkout Assurance, Nov 8, 2026 for PayPager.
The short answer
- On the Shopify App Store: Checkout Assurance 5.0 from 2 reviews and PayPager 5.0 from 1 reviews.
- Paid plans start at $99/month for Checkout Assurance and $15/month for PayPager.
- PayPager lists 3 features Checkout Assurance’s listing doesn’t mention, including Abandoned cart, Fraud alerts, Staff notifications.
Head to head
- United States
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Advanced
- · CSV Export
- · Error categorization And Failure Log
- · Failure Log and History
- · Instant Email Alerts With Failure Reason
- · Priority support
- · Real-Time Checkout Failure Detection
Enterprise
- · All Advanced Plan Features
- · Custom CRM integrations
- · Instant SMS Alerts (via Twilio)
- · Priority support
Monitor and Alert
- · 24/7 support
- · Detect all payment issues
- · Full access to buyer contact details
- · Send alerts by email
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCheckout failures happen silently. Payment declines, shipping errors, and abandoned checkouts go undetected while merchants lose revenue with no way to respond. Checkout Assurance monitors your store's checkout in real time and sends instant alerts with the customer's name, email, and phone number so you can act instantly.
While many carts are abandoned by 'just browsing' shoppers, some of abandonments are due to credit card declines or processing issues. These high-intent buyers don't need a discount a few hours later. They need a way to pay now. PayPager alerts you instantly so you can offer a PayPal link or invoice immediately. Solving the technical block before they go to a competitor.
- Real-time alerts for payment declines with customer contact details
- Abandoned checkout detection with instant merchant email notification
- Summary analytics showing the top errors your customers face at checkout
- Every payment failure triggers an instant alert.
- You get real-time trends in failed payments, such as location, etc...
- You are in control how to receive the alerts.
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 |  Checkout Assurance |  PayPager |
|---|---|---|
| Detected stores | Not published | 2 |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Apparel & Accessories, Home & Garden |
| Top store countries | Not published | United States |
Reviews
| Measure | Checkout Assurance | PayPager |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 2(ahead) | 1 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Checkout Assurance | PayPager |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $99/month | $15/month(ahead) |
| Longest free trial | 3 days | 7 days |
| Plans listed | 2 | 1 |
Listing
| Measure | Checkout Assurance | PayPager |
|---|---|---|
| Shopify category rank | #188 | #253 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 4, 2026 | May 27, 2025 |
| Languages | 1 | 1 |
| Developer | Checkout Assurance | Darong Mean |
FAQ
Checkout Assurance and PayPager: common questions
- Is Checkout Assurance or PayPager cheaper?
- Paid plans start at $99/month for Checkout Assurance and $15/month for PayPager. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Checkout Assurance or PayPager?
- On the Shopify App Store: Checkout Assurance 5.0 from 2 reviews and PayPager 5.0 from 1 reviews.
- What features does each app list that the other doesn’t?
- PayPager lists 3 the others don’t mention, such as Abandoned cart, Fraud alerts, Staff notifications. 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 Oct 13, 2026 for Checkout Assurance, Nov 8, 2026 for PayPager; 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 Oct 13, 2026 for Checkout Assurance, Nov 8, 2026 for PayPager. 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.