Sezzle Widget vs SpurIT Installment Invoices
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for Sezzle Widget, Oct 26, 2026 for SpurIT Installment Invoices.
The short answer
- On the Shopify App Store: Sezzle Widget 3.0 from 67 reviews and SpurIT Installment Invoices 3.7 from 14 reviews.
- Sezzle Widget lists 2 features SpurIT Installment Invoices’s listing doesn’t mention, including Payment messages, Widget text.
Head to head
Installment payments for your customers | Payment Plan
- United States
- Canada
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Unlimited
- · 95% of Shopify themes supported
- · Live chat support
- · Set up for a product or whole store
Unlimited Priority
- · + All from the Unlimited Plan
- · Assistance to set up the app
- · Dedicated manager
- · Priority queue to get support
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThe Sezzle dynamic widget displays payment options to shoppers on product description and checkout/cart pages, which is proven to increase conversions, average order values, and basket sizes. *Widget is visible to US and CA shoppers only.
Let customers pay in installments with recurring invoices, helping them buy higher-priced items and increasing your average order value. Installments can be applied to individual products, groups, collections, or the entire store. Set the first payment from 0-99% and choose monthly intervals for the balance. Customers will get recurring invoices until fully paid. Make larger purchases affordable and drive up sales!
- Flexible payment plans: set the quantity and period of payments for a product.
- Adjustable initial payment: 0-99% can be applied for the first installment.
- Variety of installment rules to apply for specific products or the whole store.
- Easy customization tools to change the widget text and placement to your liking.
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 |  Sezzle Widget |  SpurIT Installment Invoices |
|---|---|---|
| Detected stores | 5,547 | Not published |
| Net store change, 28 days | −22 | 0 |
| Stores added, 28 days | 36 | Not enough data |
| Big-brand share | 16% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Not published |
| Top store countries | United States, Canada, Australia | Not published |
Reviews
| Measure | Sezzle Widget | SpurIT Installment Invoices |
|---|---|---|
| App Store rating | 3.0 ★ | 3.7 ★(ahead) |
| App Store reviews | 67(ahead) | 14 |
| New reviews, 28 days | 0 | 0(ahead) |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Sezzle Widget | SpurIT Installment Invoices |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $4.95/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | Not published | 2 |
Listing
| Measure | Sezzle Widget | SpurIT Installment Invoices |
|---|---|---|
| Shopify category rank | #58(ahead) | #81 |
| Shopify App Charts | #2 in Payment experience | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Nov 9, 2022 | Jun 25, 2020 |
| Languages | 1 | 1 |
| Developer | Sezzle | SpurIT LLC |
FAQ
Sezzle Widget and SpurIT Installment Invoices: common questions
- Which has better reviews, Sezzle Widget or SpurIT Installment Invoices?
- On the Shopify App Store: Sezzle Widget 3.0 from 67 reviews and SpurIT Installment Invoices 3.7 from 14 reviews.
- What features does each app list that the other doesn’t?
- Sezzle Widget lists 2 the others don’t mention, such as Payment messages, Widget text. 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 8, 2026 for Sezzle Widget, Oct 26, 2026 for SpurIT Installment Invoices; 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 8, 2026 for Sezzle Widget, Oct 26, 2026 for SpurIT Installment Invoices. 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.