Transactional Email Shopify Apps – Reviews & Rating Trends
(Updated September 2026) Compare reviews and ratings for transactional email Shopify apps and see which apps are gaining the most install momentum. Review counts are the closest proxy to actual installs — Shopify doesn't publish install numbers — so review velocity is one of the strongest signals of merchant adoption for transactional email apps.
Transactional Email Shopify Apps — Full Reviews Table
All tracked transactional email Shopify apps ranked by total review count, with new reviews gained vs 30 days ago and average rating. Filter by country and date range; sort by reviews or review velocity.
| App | Reviews | Rating |
|---|---|---|
7,68177 | 5.0 | |
 Privy ‑ Email, SMS & Pop Ups | 4,2312 | 4.5 |
3,149114 | 4.6 | |
 Omnisend Email Marketing & SMS | 3,13242 | 4.7 |
 Transcy: AI Language Translate | 2,5977 | 4.7 |
 AfterShip Email Marketing,SMS | 2,366 | 4.8 |
 Brevo PushOwl: Email,Push,SMS | 2,19133 | 4.9 |
 Shopify Translate & Adapt | 1,4363 | 4.5 |
 Mailchimp Email SMS Marketing | 1,35859 | 4.5 |
 Hextom AI Translate & Currency | 1,2329 | 4.8 |
Showing 1-10 out of 82
Key Insights:
- SendWILL Popup Email Marketing leads transactional email apps with 7,681 total reviews — 3,450 more than Privy ‑ Email, SMS & Pop Ups (4,231).
- Top 3 apps (SendWILL Popup Email Marketing, Privy ‑ Email, SMS & Pop Ups, Klaviyo: Email Marketing & SMS) hold 51.3% of all reviews across the top 10 tracked transactional email apps.
- Klaviyo: Email Marketing & SMS is gaining reviews fastest this month (+114) — strong recent install momentum.
- 9 of 10 top-reviewed transactional email apps gained new reviews this period; 0 saw no net additions.
Transactional Email Shopify Apps — Cumulative Review Trend
Monthly cumulative review count for the top 5 transactional email Shopify apps over the past year — a longitudinal view of which apps keep accumulating reviews and which have flattened.
Charts Data
| App | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 |
|---|---|---|---|---|---|---|
 SendWILL Popup Email Marketing | 7,447112 | 7,53689 | 7,60771 | 7,68780 | 7,75568 | 7,77520 |
 Klaviyo: Email Marketing & SMS | 2,62936 | 2,873244 | 3,038165 | 3,151113 | 3,256105 | 3,33478 |
| Omnisend Email Marketing & SMS | 3,00361 | 3,03633 | 3,09054 | 3,13747 | 3,17336 | 3,19926 |
 SEOLab: All in #1 SEO — AI SEO | 1,597474 | 1,946349 | 2,284338 | 2,409125 | 2,547138 | 2,681134 |
| Transcy: AI Language Translate | 2,5804 | 2,5866 | 2,5904 | 2,5977 | 2,6036 | 2,6085 |
Key Insights:
- SendWILL Popup Email Marketing's cumulative reviews grew from 5,559 to 7,775 over the charted period — 2,216 new reviews accumulated.
- SendWILL Popup Email Marketing's 7,775 cumulative reviews sit 3.0× above Transcy: AI Language Translate's 2,608 at the bottom of the plotted transactional email set — a wide spread between long-running leaders and newer entrants.
- SendWILL Popup Email Marketing's cumulative review lead compounds over time — an established review base acts as a trust signal for merchants comparing apps, and continued adoption keeps the review count climbing, a flywheel newcomers struggle to interrupt.
Fastest to 1,000 Reviews — Transactional Email Shopify Apps
Race-style view of how the top 5 transactional email Shopify apps reached 1,000 reviews — months since launch on the X-axis, cumulative review count on the Y-axis. Adjust the milestone or app set with the filters above.
Charts Data
| App | Months to Reach 1,000 Reviews | Current Review Count |
|---|---|---|
| SendWILL Popup Email Marketing | 12 | 7,500 |
| Privy ‑ Email, SMS & Pop Ups | 23 | 3,964 |
| Transcy: AI Language Translate | 25 | 2,489 |
| Omnisend Email Marketing & SMS | 92 | 2,964 |
| Klaviyo: Email Marketing & SMS | 114 | 3,027 |
Key Insights:
- SendWILL Popup Email Marketing reached 1,000 reviews fastest — in 12 months since launch.
- Privy ‑ Email, SMS & Pop Ups crossed 1,000 reviews in 23 months — 11 months behind SendWILL Popup Email Marketing.
- All 5 apps in this set have crossed 1,000 reviews — months-to-1k ranges from 12 to 114, a 102-month spread.
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Most-Reviewed Transactional Email Shopify Apps
SendWILL Popup Email Marketing leads transactional email Shopify apps with 7,681 cumulative reviews and a 5.0★ average rating. Privy ‑ Email, SMS & Pop Ups (4,231 reviews) and Klaviyo: Email Marketing & SMS (3,149 reviews) round out the top 3. Combined, the top 3 apps hold 51.3% of all reviews across the top tier — a tight oligopoly where the leader's review flywheel is hard to break. Notable mover: Klaviyo: Email Marketing & SMS added the most new reviews this month (+114) — a strong recent install signal.
SendWILL Popup Email Marketing's 7,681-review base reflects long-running merchant adoption in transactional email — a tenure signal for merchants who weight track record alongside current fit. Privy ‑ Email, SMS & Pop Ups (4,231 reviews) and the rest of the top tier carry meaningful adoption too, and feature scope, support, and current trajectory often matter more than raw review totals when choosing between established options.
Transactional Email Shopify Apps — Long-Term Review Trends
SendWILL Popup Email Marketing accumulated 2,216 new reviews from Jan 2025 to Sep 2026, growing from 5,559 to 7,775 cumulative reviews — a steep addition rate for transactional email apps. Across the top 5 plotted transactional email apps, the steepest ongoing slopes mark the ones still actively winning new merchants — absolute review counts matter less than recent acceleration when picking apps in a category that's still growing.
SendWILL Popup Email Marketing's lead in cumulative reviews compounds in concentrated transactional email categories: more reviews lift App Store rank, which drives more installs, which add more reviews — newcomers face a steep curve to catch up to the 7,775 cumulative base.
Review Growth Velocity in Transactional Email — Which Apps Grew Fastest
SendWILL Popup Email Marketing reached 1,000 reviews in 12 months since launch — the fastest ramp among the top 5 transactional email apps tracked here. Privy ‑ Email, SMS & Pop Ups in 23 months, Transcy: AI Language Translate in 25 months, Omnisend Email Marketing & SMS in 92 months, and Klaviyo: Email Marketing & SMS took 114 months to cross the same milestone, a 102-month spread between the fastest and slowest in the set.
All 5 apps in this set have crossed 1,000 reviews, with current cumulative counts now ranging from 2,489 (Transcy: AI Language Translate) to 7,500 (SendWILL Popup Email Marketing) — a 3.0× difference, showing how far ahead the leader has continued to build past the milestone.
The 102-month gap between SendWILL Popup Email Marketing's and Klaviyo: Email Marketing & SMS's time-to-1,000 highlights how unevenly product-market fit landed across this transactional email set — the leader found its merchant audience early, while late-rampers took multiple years to reach the same review depth. For merchants comparing these apps today, slower-ramping apps may have closed the functionality gap but still operate on smaller review bases.
Top 5 Apps in Transactional Email
- Workflow Transactional Email — Has accumulated 12 reviews for transactional email at a 4.1★ average.
- WorkflowMail Emails — Has accumulated 48 reviews for transactional email at a 5.0★ average.
- FlowSend ‑ Flow Mail App — Has accumulated 4 reviews for transactional email at a 5.0★ average.
- MailAction: Send Email in Flow — Has accumulated 0 reviews for transactional email.
- Sendjo: Emails & SMS via Flow — Has accumulated 0 reviews for transactional email at a 5.0★ average.
Transactional Email Shopify Apps — Frequently Asked Questions
1. Which transactional email app has the most reviews on Shopify?
SendWILL Popup Email Marketing has the most reviews among transactional email Shopify apps with 7,681 total reviews, ahead of Privy ‑ Email, SMS & Pop Ups at 4,231. Sort the table by Reviews (High to Low) to see the full ranked list.
2. How are reviews used to measure transactional email app popularity on Shopify?
Reviews are the closest publicly available proxy for install volume on Shopify — Shopify doesn't publish install counts, so cumulative reviews and review velocity are the standard way to measure adoption. For transactional email apps, this page shows total reviews, new reviews per month, and time-to-1,000 reviews so you can compare both established scale and current momentum.
3. Which transactional email app is gaining reviews fastest on Shopify?
Klaviyo: Email Marketing & SMS is gaining the most new reviews this month among transactional email apps, adding 114 reviews in the past 30 days. Switch the table sub-tab to "Review Changes" to see all apps ordered by review velocity.
4. Which transactional email app reached 1,000 reviews fastest on Shopify?
SendWILL Popup Email Marketing hit 1,000 reviews in 12 months since launch — the fastest review ramp among tracked transactional email Shopify apps. Use the "Fastest to 1,000 Reviews" chart above to compare against other apps or change the milestone (5,000, 10,000, etc.).
5. What is the average rating for top transactional email Shopify apps?
The top 5 transactional email apps average 4.7★ across 19,944 combined reviews — a strong overall quality benchmark. Individual ratings appear in the table above; sort by Reviews to see how rating varies across the most-installed apps.
6. How often are review counts for transactional email apps updated on Shopify?
Review counts and rating data refresh weekly on this page. The Reviews Trend chart aggregates monthly intervals by default — switch to weekly granularity for shorter-term signals or yearly for macro trends.
