Affirm pay‑over‑time messaging vs PayTomorrow Messaging
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 Affirm pay‑over‑time messaging, Feb 19, 2026 for PayTomorrow Messaging.
The short answer
Head to head
Convert more shoppers with Affirm monthly payments
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThe Affirm Messaging app enables you to display a customer's estimated monthly or bi-weekly payment amount on product pages and at checkout. Reframing prices as a budget-friendly monthly payment can increase average order values. To get started, you can create a merchant account by going to the Affirm website and clicking the "For Business" link.
Convert more shoppers PayTomorrow lets you display a monthly payment price for each item—showing shoppers how budget-friendly the item can be. Unlock higher AOV Showcasing monthly payments messaging encourages your customers to say yes to upgrades, add-ons, and bundling, boosting basket sizes.
- Display a budget-friendly monthly or biweekly payment price for each item.
- Leverage Affirm messaging on your product and checkout pages, and more.
- Affirm supports the broadest range of cart sizes, and drives high AOVs
- A monthly payment price for each item—showing how budget-friend the item can be
- Encourages customers to say yes to upgrades, boosting basket sizes.
- With dynamic price options, pull customers from awareness to conversion







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 | Affirm pay‑over‑time messaging | PayTomorrow Messaging |
|---|---|---|
| Detected stores | 3,308 | Not published |
| Net store change, 28 days | +4 | 0 |
| Stores added, 28 days | 60 | Not enough data |
| Big-brand share | 14% | Not enough data |
| Top store categories | Apparel & Accessories, Home & Garden, Vehicles & Parts | Not published |
| Top store countries | United States, Canada, Hong Kong | Not published |
Reviews
| Measure | Affirm pay‑over‑time messaging | PayTomorrow Messaging |
|---|---|---|
| App Store rating | 1.4 ★ | Not published |
| App Store reviews | 56 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Affirm pay‑over‑time messaging | PayTomorrow Messaging |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | Not published | Not published |
Listing
| Measure | Affirm pay‑over‑time messaging | PayTomorrow Messaging |
|---|---|---|
| Shopify category rank | #15 | #87 |
| Shopify App Charts | #2 in Advertising - Other | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Mar 25, 2020 | Apr 11, 2023 |
| Languages | 1 | 1 |
| Developer | Affirm | PayTomorrow |
FAQ
Affirm pay‑over‑time messaging and PayTomorrow Messaging: common questions
- 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 Affirm pay‑over‑time messaging, Feb 19, 2026 for PayTomorrow Messaging; 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 Affirm pay‑over‑time messaging, Feb 19, 2026 for PayTomorrow Messaging. 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.















