Birthday Shopify Apps — Full Reviews Table
All tracked birthday 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 |
|---|---|---|
 Klaviyo: Email Marketing & SMS | 3,40093 | 4.6 |
 Omnisend Email Marketing & SMS | 3,20227 | 4.7 |
 Brevo PushOwl: Email,Push,SMS | 2,31858 | 4.9 |
 Mailchimp Email SMS Marketing | 1,53166 | 4.6 |
 ONE: AI, Pop Up, SMS Marketing | 1,000– | 4.9 |
 TxtCart AI: SMS Marketing | 55423 | 4.9 |
 Essent Loyalty Program Rewards | 49615 | 5.0 |
 Casa Loyalty Points & Rewards | 48923 | 5.0 |
 Helium Customer Fields | 3517 | 4.8 |
 ActiveCampaign Marketing | 260– | 4.5 |
Showing 1-10 out of 80
Key Insights:
- Klaviyo: Email Marketing & SMS leads birthday apps with 3,400 total reviews — 198 more than Omnisend Email Marketing & SMS (3,202).
- Top 3 apps (Klaviyo: Email Marketing & SMS, Omnisend Email Marketing & SMS, Brevo PushOwl: Email,Push,SMS) hold 65.6% of all reviews across the top 10 tracked birthday apps.
- Klaviyo: Email Marketing & SMS is gaining reviews fastest this month (+93) — strong recent install momentum.
- 8 of 10 top-reviewed birthday apps gained new reviews this period; 0 saw no net additions.
Birthday Shopify Apps — Cumulative Review Trend
Monthly cumulative review count for the top 5 birthday Shopify apps over the past year — a longitudinal view of which apps keep accumulating reviews and which have flattened.
Charts Data
| App | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| Klaviyo: Email Marketing & SMS | 2,856242 | 3,023167 | 3,134111 | 3,238104 | 3,33294 | 3,40068 |
| Omnisend Email Marketing & SMS | 3,01532 | 3,06752 | 3,11649 | 3,15337 | 3,18229 | 3,20220 |
| Brevo PushOwl: Email,Push,SMS | 2,10751 | 2,15851 | 2,19840 | 2,22628 | 2,28054 | 2,31838 |
| Mailchimp Email SMS Marketing | 1,20671 | 1,28983 | 1,35465 | 1,41460 | 1,49884 | 1,53133 |
| ONE: AI, Pop Up, SMS Marketing | 1,000– | 1,000– | 1,000– | 1,000– | 1,000– | 1,000– |
Key Insights:
- Klaviyo: Email Marketing & SMS's cumulative reviews grew from 1,766 to 3,400 over the charted period — 1,634 new reviews accumulated.
- Klaviyo: Email Marketing & SMS's 3,400 cumulative reviews sit 3.4× above ONE: AI, Pop Up, SMS Marketing's 1,000 at the bottom of the plotted birthday set — a wide spread between long-running leaders and newer entrants.
Fastest to 1,000 Reviews — Birthday Shopify Apps
Race-style view of how the top 5 birthday 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 |
|---|---|---|
| Brevo PushOwl: Email,Push,SMS | 58 | 2,301 |
| ONE: AI, Pop Up, SMS Marketing | 70 | 1,002 |
| Mailchimp Email SMS Marketing | 75 | 1,520 |
| Omnisend Email Marketing & SMS | 92 | 3,189 |
| Klaviyo: Email Marketing & SMS | 113 | 3,381 |
Key Insights:
- Brevo PushOwl: Email,Push,SMS reached 1,000 reviews fastest — in 58 months since launch.
- ONE: AI, Pop Up, SMS Marketing crossed 1,000 reviews in 70 months — 12 months behind Brevo PushOwl: Email,Push,SMS.
- All 5 apps in this set have crossed 1,000 reviews — months-to-1k ranges from 58 to 113, a 55-month spread.
Most-Reviewed Birthday Shopify Apps
Klaviyo: Email Marketing & SMS leads birthday Shopify apps with 3,400 cumulative reviews and a 4.6★ average rating. Omnisend Email Marketing & SMS (3,202 reviews) and Brevo PushOwl: Email,Push,SMS (2,318 reviews) round out the top 3. Combined, the top 3 apps hold 65.6% of all reviews across the top tier — a fragmented review landscape with reviews spread broadly. Notable mover: Klaviyo: Email Marketing & SMS added the most new reviews this month (+93) — a strong recent install signal.
Birthday reviews are spread broadly — Klaviyo: Email Marketing & SMS (3,400), Omnisend Email Marketing & SMS (3,202), and Brevo PushOwl: Email,Push,SMS (2,318) all carry meaningful review bases. With this distribution, review velocity and rating differentiate birthday apps better than total reviews alone.
Birthday Shopify Apps — Long-Term Review Trends
Klaviyo: Email Marketing & SMS accumulated 1,634 new reviews from Jan 2025 to Oct 2026, growing from 1,766 to 3,400 cumulative reviews — a steep addition rate for birthday apps. Across the top 5 plotted birthday 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.
Comparing birthday apps on review trend slope rather than absolute count is the sharper signal — an app gaining reviews fast is winning current merchants, while Klaviyo: Email Marketing & SMS's 3,400 cumulative base reflects long-running adoption that may or may not still be translating to new installs.
Review Growth Velocity in Birthday — Which Apps Grew Fastest
Brevo PushOwl: Email,Push,SMS reached 1,000 reviews in 58 months since launch — the fastest ramp among the top 5 birthday apps tracked here. ONE: AI, Pop Up, SMS Marketing in 70 months, Mailchimp Email SMS Marketing in 75 months, Omnisend Email Marketing & SMS in 92 months, and Klaviyo: Email Marketing & SMS took 113 months to cross the same milestone, a 55-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 1,002 (ONE: AI, Pop Up, SMS Marketing) to 3,381 (Klaviyo: Email Marketing & SMS) — a 3.4× difference, showing how far ahead the leader has continued to build past the milestone.
The 55-month gap between Brevo PushOwl: Email,Push,SMS's and Klaviyo: Email Marketing & SMS's time-to-1,000 highlights how unevenly product-market fit landed across this birthday 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 Birthday
- Birthday Upsell Discount — Has accumulated 12 reviews for birthday at a 5.0★ average.
- Happy Birthday Email by UW — Has accumulated 145 reviews for birthday at a 5.0★ average.
- Happy Birthday Marketing — Has accumulated 28 reviews for birthday at a 4.5★ average.
- Klaviyo: Email Marketing & SMS — Has accumulated 3,400 reviews for birthday at a 4.7★ average.
- Birthday Email Marketing — Has accumulated 0 reviews for birthday at a 5.0★ average.
Birthday Shopify Apps — Frequently Asked Questions
1. Which birthday app has the most reviews on Shopify?
Klaviyo: Email Marketing & SMS has the most reviews among birthday Shopify apps with 3,400 total reviews, ahead of Omnisend Email Marketing & SMS at 3,202. Sort the table by Reviews (High to Low) to see the full ranked list.
2. How are reviews used to measure birthday 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 birthday 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 birthday app is gaining reviews fastest on Shopify?
Klaviyo: Email Marketing & SMS is gaining the most new reviews this month among birthday apps, adding 93 reviews in the past 30 days. Switch the table sub-tab to "Review Changes" to see all apps ordered by review velocity.
4. Which birthday app reached 1,000 reviews fastest on Shopify?
Brevo PushOwl: Email,Push,SMS hit 1,000 reviews in 58 months since launch — the fastest review ramp among tracked birthday 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 birthday Shopify apps?
The top 5 birthday apps average 4.8★ across 11,393 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 birthday 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.
