Apps tracked
Category leader
Preorder, Back In Stock ‑ STOQTop region
Top Payment Reminders Shopify Apps Ranked Today
Top 10 payment reminders Shopify apps ranked by current App Store position, with market share and review counts. Updated weekly.
| App | Rank | Market share | Reviews |
|---|---|---|---|
| Preorder, Back In Stock ‑ STOQ | 1– | 59.84%0.10 | 3,839132 |
 REZ Preorder, Back In Stock | 2– | 33.67%2.47 | 1,60558 |
 Kindly: Payment Reminder Pro | 3– | 0.15%0.00 | 31– |
 Preorder, Back in stock Duck | 44 | 1.50%1.29 | 53517 |
 Brevo PushOwl: Email,Push,SMS | 51 | 2.92%1.59 | 2,31858 |
 TxtCart AI: SMS Marketing | 64 | 0.84%0.70 | 55423 |
 Avada PDF Invoice Generator | 73 | 0.21%0.70 | 7115 |
 Dibs – Preorders & Backorders | 81 | 0.17%0.06 | 14511 |
 Omnisend Email Marketing & SMS | 92 | 0.33%0.56 | 3,20025 |
 Remindly ‑ Payment Reminders | 105 | 0.00%0.01 | 2– |
Key Insights:
- Preorder, Back In Stock ‑ STOQ commands 59.8% market share, 26.2pp ahead of REZ Preorder, Back In Stock — a concentrated payment reminders category.
- In the last 30 days, 4 apps climbed and 3 dropped in ranking among the top 10 tracked payment reminders apps.
- Preorder, Back In Stock ‑ STOQ added the most new reviews this month (+132) — strong adoption momentum.
Live Ranking and Market Share Trends for Payment Reminders Shopify Apps
Monthly ranking and market share trends for the top 5 payment reminders Shopify apps over the past year — see how each app's App Store position and market share have shifted month by month.
Charts Data
| App | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| Preorder, Back In Stock ‑ STOQ | #1– | #32 | #21 | #2– | #11 | #1– |
| REZ Preorder, Back In Stock | #2– | #2– | #11 | #1– | #32 | #21 |
| Kindly: Payment Reminder Pro | #3– | #12 | #32 | #3– | #21 | #31 |
| Preorder, Back in stock Duck | #6– | #6– | #71 | #81 | #62 | #42 |
| Brevo PushOwl: Email,Push,SMS | #4– | #4– | #4– | #62 | #71 | #52 |
Key Insights:
- Preorder, Back In Stock ‑ STOQ's ranking held steady from #1 to #1 over the charted period.
- 1 of 5 top payment reminders apps improved their position; 1 declined — a stable market.
- Preorder, Back In Stock ‑ STOQ's market share is 59.8% — losing -2.1pp since the start of the chart.
Payment Reminders Shopify Apps — Market Share by Country
Top 5 countries driving installs for payment reminders Shopify apps, with current market share and 30-day change versus the previous month.
| Country | Market share | Change |
|---|---|---|
 United States | 35.0% | 0.29 |
 United Kingdom | 11.0% | 0.28 |
 Australia | 9.8% | 0.13 |
 Canada | 5.0% | 0.13 |
 France | 4.1% | 0.11 |
Key Insights:
- United States accounts for 35.0% of payment reminders app installs — the single largest market.
- Top 3 markets (United States, United Kingdom, Australia) collectively cover 55.7% of all tracked payment reminders installs — highly concentrated demand.
- United Kingdom is the fastest-growing market this month (+0.3pp) — emerging demand worth watching.
Fastest to 1,000 Reviews — Payment Reminders Shopify Apps
Race-style view of how the top 5 payment reminders Shopify apps reached 1,000 reviews — months since launch on the X-axis, cumulative review count on the Y-axis.
Charts Data
| App | Months to Reach 1,000 Reviews | Current Review Count |
|---|---|---|
| REZ Preorder, Back In Stock | 13 | 1,607 |
| Preorder, Back In Stock ‑ STOQ | 38 | 3,816 |
| Brevo PushOwl: Email,Push,SMS | 58 | 2,301 |
| Preorder, Back in stock Duck | Not yet reached | 532 |
| Kindly: Payment Reminder Pro | Not yet reached | 31 |
Key Insights:
- REZ Preorder, Back In Stock reached 1,000 reviews fastest — in 13 months since launch.
- Preorder, Back In Stock ‑ STOQ crossed 1,000 reviews in 38 months — 25 months behind REZ Preorder, Back In Stock.
- 2 of the top 5 payment reminders apps haven't yet crossed 1,000 reviews — Preorder, Back in stock Duck is closest at 532 cumulative.
Top Payment Reminders Shopify Apps Ranked by Position
Preorder, Back In Stock ‑ STOQ dominates payment reminders with 59.8% market share — a clear category leader Shopify merchants gravitate to first, 26.2pp ahead of REZ Preorder, Back In Stock (33.7%). Kindly: Payment Reminder Pro sits at #3 with 0.1% share, rounding out the top tier. Together, the top 3 apps absorb 93.7% of all payment reminders installs — a highly concentrated landscape with limited room for new entrants. Preorder, Back in stock Duck is the standout mover this month, climbing 4 positions — a momentum signal worth tracking.
Preorder, Back In Stock ‑ STOQ's 59.8% lead has held stably this month, with the top 3 apps capturing 93.7% of all payment reminders installs. REZ Preorder, Back In Stock (33.7%) is the natural alternative when store fit or pricing rules out Preorder, Back In Stock ‑ STOQ.
Live Ranking and Market Share Trends Across Payment Reminders Shopify Apps
Preorder, Back In Stock ‑ STOQ held #1 steadily from May 2026 to Oct 2026 — an entrenched leader in payment reminders that challengers haven't displaced. Among the top 5 plotted payment reminders apps, 1 improved and 1 declined — rankings reshuffled without a single category-wide direction. Preorder, Back In Stock ‑ STOQ's share contracted -2.1pp from 62.0% (May 2026) to 59.8% (Oct 2026) — a meaningful narrowing of the leader's gap against other payment reminders apps over this window.
Stable rankings across the top 5 plotted payment reminders apps mean merchants have largely settled on their preferences — challengers below the top 5 face an uphill path to break in.
Review Growth Velocity in Payment Reminders — Which Apps Grew Fastest
REZ Preorder, Back In Stock reached 1,000 reviews in 13 months since launch — the fastest ramp among the top 5 payment reminders apps tracked here. Preorder, Back In Stock ‑ STOQ in 38 months, and Brevo PushOwl: Email,Push,SMS took 58 months to cross the same milestone, a 45-month spread between the fastest and slowest in the set.
2 apps on this chart haven't yet crossed 1,000 reviews: Preorder, Back in stock Duck at 532, Kindly: Payment Reminder Pro at 31 cumulative reviews. Preorder, Back in stock Duck is closest to the milestone — its current count puts it roughly 53% of the way to 1,000.
The 45-month gap between REZ Preorder, Back In Stock's and Brevo PushOwl: Email,Push,SMS's time-to-1,000 highlights how unevenly product-market fit landed across this payment reminders 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 Payment Reminders
- Preorder, Back In Stock ‑ STOQ — Category leader for payment reminders with 59.8% market share and 5.0★.
- REZ Preorder, Back In Stock — Ranks #2 for payment reminders with 33.7% market share and 5.0★.
- Kindly: Payment Reminder Pro — Ranks #3 for payment reminders with 0.1% market share and 5.0★.
- Preorder, Back in stock Duck — Climbed 4 positions this month to rank #4 — 1.5% share, 5.0★.
- Brevo PushOwl: Email,Push,SMS — Climbed 1 position this month to rank #5 — 2.9% share, 4.8★.
Payment Reminders Shopify Apps — Frequently Asked Questions
1. What is the best payment reminders app on Shopify?
Preorder, Back In Stock ‑ STOQ is the leading payment reminders app on Shopify, holding 59.8% of category market share with 3,839 reviews — a clear default for most merchants.
2. Which payment reminders app has the highest market share on Shopify?
Preorder, Back In Stock ‑ STOQ holds the highest market share among payment reminders apps at 59.8% (+0.10pp vs 30 days ago). Market share here is estimated from each app's recent review velocity, with rank-weighted adjustment because positions in keyword search drive most installs.
3. How many payment reminders apps are tracked on Shopify?
ShopDigest tracks 95 payment reminders apps on the Shopify App Store. Rankings, market share, geography, and review data refresh weekly.
4. Which payment reminders app is growing the fastest on Shopify?
Preorder, Back in stock Duck has shown the strongest ranking momentum, climbing 4 positions over the past 30 days. Use the Rankings tab to see full month-over-month trajectories.
5. Where are payment reminders apps most popular on Shopify?
United States has the highest concentration of payment reminders app installs at 35.0%, followed by United Kingdom at 11.0%. The Geography tab shows the full country-by-country breakdown.
6. How is market share calculated for payment reminders on Shopify keyword pages?
For keyword pages, market share is rank-weighted — apps at position #1 carry roughly 40× the weight of apps at position #22, and apps beyond #22 are excluded. This reflects the reality that Shopify keyword search traffic concentrates heavily at the top of results.
7. Which payment reminders app reached 1,000 reviews fastest on Shopify?
REZ Preorder, Back In Stock hit 1,000 reviews in 13 months since launch — the fastest review ramp among tracked payment reminders Shopify apps. See the Review Champions chart above for the full race.
