Shopify · Pop-ups

Omnisend Email Marketing & SMS review

Ranked 4 of 7 among Shopify pop-up apps by merchant reviews.

Best for: Merchants who want capture and the email engine behind it from one vendor.
4.8 (3k) Free to install by Omnisend Best platform
View on the Shopify App Store Compare all 7 pop-up apps

Listing data checked 23 August 2026

Strengths and trade-offs

What it does well
  • Pop-up feeds directly into flows and campaigns with no integration to maintain
  • SMS and email consent captured in the same widget
  • Mature platform with 2,900+ reviews
Trade-offs
  • Contact-based pricing grows with your list — model 12 months out
  • Overkill if you already pay for Klaviyo or Shopify Email

What "Free to install" actually means

This is the label to read carefully. It almost always means billing tied to your volume — a share of attributed revenue, or charges above an order threshold. The bill scales exactly as your store grows, so model it at twelve months of projected orders rather than today's.

Whatever the label says, the calculation is the same: a pop-up app has to lift revenue by more than it costs. Our break-even calculator works out the lift you would need against your own orders and margin — for most stores it is a fraction of a percent, which means the subscription is rarely the real question. The payload the app adds to every page load usually is.

Head to head

Omnisend Email Marketing & SMS vs our category pick

How it lines up against Pop Convert — Pop Ups, Banners, which we rank first for pop-up apps.

AppRating ReviewsPricingBest for
Omnisend Email Marketing & SMS 4.8 2,955 Free to install Merchants who want capture and the email engine behind it from one vendor
Pop Convert — Pop Ups, Banners 4.9 8,590 Free plan available One app covering pop-ups, banners and the free shipping bar together
Alternatives

The closest alternatives to Omnisend Email Marketing & SMS

Every pop-up app we index, ranked by the weight of merchant feedback behind it. Where the address goes is usually the axis that decides between them.

AppRating ReviewsPricingBest for
Pop Convert — Pop Ups, Banners 4.9 8,590 Free plan available One app covering pop-ups, banners and the free shipping bar together
SendWILL Popup Email Marketing 4.9 7,495 Free plan available Stores that want a strong free capture pop-up feeding an existing ESP
Smile: Loyalty Program Rewards 4.9 4,206 Free plan available Repeat-purchase categories where a points widget beats a discount pop-up
Attrac Popup, Announcement Bar 5.0 1,054 Free plan available Getting bars, marquees, pop-ups and a timer from a single modern app
Shopify Forms 4.5 673 Free Stores that want zero third-party script and native Shopify customer records

Full pop-up ranking with buying criteria

Compared

Omnisend Email Marketing & SMS head-to-heads

SendWILL vs Omnisend

A capture widget, or the whole email platform?

SendWILL if you already have an ESP; Omnisend if you are choosing one.
FAQ

Omnisend Email Marketing & SMS: common questions

Is Omnisend Email Marketing & SMS free?
Free to install on the Shopify App Store. This is the label to read carefully. It almost always means billing tied to your volume — a share of attributed revenue, or charges above an order threshold. The bill scales exactly as your store grows, so model it at twelve months of projected orders rather than today's.
How well rated is Omnisend Email Marketing & SMS?
4.8 out of 5 from 2,955 ratings, checked 23 August 2026. That is 12% of merchant reviews across the 7 Shopify pop-up apps we index, and 34% of the category leader's total. Ratings in this category run from 4.5 to 5.0 — a wide enough spread that the average is worth reading alongside the review count, not behind it.
What are the best alternatives to Omnisend Email Marketing & SMS?
The closest alternatives in the same category are Pop Convert — Pop Ups, Banners, SendWILL Popup Email Marketing, Smile: Loyalty Program Rewards. If you want the safest default, Pop Convert — Pop Ups, Banners is our pick for this category.
How we assess apps. Ratings, counts, pricing labels and — where the marketplace publishes one — the vendor name come from the public Shopify App Store listing and carry the date they were checked. The verdict, the "best for" line and the trade-offs are our editorial judgement. We take no money from any vendor listed here — full methodology.