Ninja Address Validation App vs SMART Checkout Rules & Upsells
A side-by-side on the things that decide it — rating, price, momentum and what merchants actually praise — from our own catalogue and review data.
 Ninja Address Validation App |  SMART Checkout Rules & Upsells | |
|---|---|---|
| Rating | 5★ | 5★ |
| Reviews | 44 | 627 |
| Price from | $4.99/mo | — |
| Free plan | Yes | No |
| Category rank | #16 | #1 |
| Momentum | Steady | Steady |
Ninja Address Validation App is loved for
Not enough reviews to say yet.
SMART Checkout Rules & Upsells is loved for
- Support4.9
- Features & flexibility4.9
- Ease of use4.8
- Setup & onboarding4.8
The bottom line
Pick SMART Checkout Rules & Upsells
It has far more reviews behind that rating and reviewers rate it highly for support.
View SMART Checkout Rules & Upsells →