Nudge: Cart Upsells vs Outline ‑ Upsell & Discounts
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Nudge, Nov 12, 2026 for Outline.
The short answer
- Both list a free plan. Paid plans start at $9/month for Nudge and $19/month for Outline.
- Outline lists 10 features Nudge’s listing doesn’t mention, including Announcement bar, Click-through rates, Conversion rates.
Head to head
Free
- · 20 interactions per calendar month
- · Choose primary and companion products
- · No percentage or per-order app fee
- · Optional saving on one companion
- · Up to 100 campaigns
Growth
- · Choose primary and companion products
- · No monthly interaction limit
- · No percentage or per-order app fee
- · Optional saving on one companion
- · Up to 100 campaigns
Free
- · 10,000 monthly widget impressions
- · All widgets included
- · Unlimited upsell offers
Growth
- · 50,000 monthly widget impressions
- · All widgets included
- · Unlimited upsell offers
Pro
- · 250,000 monthly widget impressions
- · All widgets included
- · Unlimited upsell offers
Scale
- · 1,000,000 monthly widget impressions
- · All widgets included
- · Unlimited upsell offers
- · White glove onboarding & migration
Plus
- · 5,000,000 monthly widget impressions
- · All widgets included
- · Custom widgets
- · Unlimited upsell offers
- · White glove onboarding & migration
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureChoose a recommended product to go with a selected item and set its saving. The product block shows the suggestion and lets shoppers add it to the cart. Shopify applies the saving only when the qualifying product is present. Track add-on activity and attributed paid purchases in a focused dashboard. For USD stores using an Online Store theme. The discount covers one recommended item per order.
Outline adds offers where shoppers decide how much to buy. Set a free shipping or free gift threshold and a progress bar counts down to it. Suggest products by hand, by rule, or from what people buy together. Show volume pricing while a shopper picks a quantity, or offer the larger size as a one-tap swap. Offers run on the product page, in the add to cart popup, the cart drawer and the cart page.
- Choose a recommended add-on for a selected product.
- Show the add-on and its saving near the purchase controls.
- Let shoppers add the suggested item to their cart.
- Require the original product before the add-on discount applies.
- Free shipping and free gift bars that count down with the cart total
- Upsells picked by hand, by rule, or from past orders
- Volume pricing tables and one-tap upgrades to the larger size
- Offers on the product page, add to cart popup, cart drawer and cart page
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 |  Nudge | |
|---|---|---|
| Detected stores | Not published | Not published |
| 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 | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Nudge | |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Nudge and Outline: common questions
- Is Nudge or Outline cheaper?
- Both list a free plan. Paid plans start at $9/month for Nudge and $19/month for Outline. 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?
- Nudge lists 1 the others don’t mention, such as Recommendation performance. Outline lists 10 the others don’t mention, such as Announcement bar, Click-through rates, Conversion rates, Custom CSS. 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 14, 2026 for Nudge, Nov 12, 2026 for Outline; 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 14, 2026 for Nudge, Nov 12, 2026 for Outline. 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.