Sales Forecasting Shopify Apps – Market Share Breakdown
(Updated October 2026) See which sales forecasting Shopify apps dominate installs and how their share has shifted over time. This keyword page shows the full market share table, monthly share trends for the leaders, and a country-level breakdown so you can compare global vs regional dominance.
Sales Forecasting Shopify Apps — Full Market Share Table
All tracked sales forecasting Shopify apps ranked by current install share, with change vs 30 days ago and Leader / Climbing / Declining / Stable status — filterable by country and date range.
| # | App | Market Share | Change | Status |
|---|---|---|---|---|
| 1 |  Notify Me! Back in Stock Alert | 56.70% | 3.02 | Climbing |
| 2 |  REZ Preorder, Back In Stock | 34.32% | 2.92 | Declining |
| 3 |  Essent Preorder Back in Stock | 7.41% | 0.44 | Declining |
| 4 |  Stockie Inventory Management | 1.10% | 0.12 | Climbing |
| 5 |  Lifetimely Profit Analytics | 0.29% | 0.26 | Climbing |
| 6 |  Wishlist Guru: Favorites List | 0.08% | 0.05 | Climbing |
| 7 |  Out Of Stock Alert Restock Lab | 0.05% | 0.05 | Declining |
| 8 |  oneClick: Notify Me | 0.02% | 0.01 | Climbing |
| 9 |  Stockful: Inventory Management | 0.01% | 0.06 | Declining |
| 10 |  Retail ORBIT by Management One | 0.01% | 0.00 | Climbing |
Showing 1-10 out of 23
Key Insights:
- Notify Me! Back in Stock Alert holds 56.7% share of sales forecasting app installs — 22.4pp ahead of REZ Preorder, Back In Stock (34.3%).
- Top 3 apps (Notify Me! Back in Stock Alert, REZ Preorder, Back In Stock, Essent Preorder Back in Stock) account for 98.4% of all sales forecasting install share — a concentrated market.
- Notify Me! Back in Stock Alert is gaining share fastest this month (+3.02pp) — the largest single gainer among the top sales forecasting apps by share.
- REZ Preorder, Back In Stock is losing share fastest (-2.92pp) — could indicate a churning user base or a stronger challenger gaining ground.
Sales Forecasting Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 sales forecasting Shopify apps over the past year — see who's gaining or losing install share month by month.
Charts Data
| App | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| Notify Me! Back in Stock Alert | 25.9% | 26.2%0.29 | 25.9%0.33 | 53.3%27.41 | 55.8%2.54 | 56.9%1.09 |
| REZ Preorder, Back In Stock | 63.0% | 64.7%1.67 | 65.8%1.11 | 37.7%28.08 | 35.0%2.65 | 34.1%0.92 |
| Essent Preorder Back in Stock | 10.3% | 8.4%1.91 | 7.4%0.98 | 7.9%0.49 | 7.5%0.41 | 7.4%0.11 |
| Stockie Inventory Management | 0.6% | 0.6%0.03 | 0.7%0.18 | 1.0%0.23 | 1.1%0.14 | 1.1%0.02 |
| Lifetimely Profit Analytics | 0.1% | 0.0%0.01 | 0.0% | 0.0%0.01 | 0.4%0.37 | 0.3%0.13 |
Key Insights:
- Notify Me! Back in Stock Alert's share expanded from 25.9% → 56.9% over the charted period.
- Of the top 5 tracked sales forecasting apps, 3 grew share and 2 lost share — leader is widening the gap.
Top Sales Forecasting Shopify Apps by Country
Per-country market share rankings for sales forecasting Shopify apps across 5 markets — see which apps lead in each country and where regional leaders diverge from the global leader.
| # | 🌎 Worldwide |  United States |  India |  China |  United Kingdom |
|---|---|---|---|---|---|
| 1 | | | | | |
| 2 | | | | | |
| 3 | | | | | |
| 4 | | |  | | |
| 5 | | | |  | |
Key Insights:
- Notify Me! Back in Stock Alert leads sales forecasting apps in 3 of 4 tracked markets (United States, China, United Kingdom).
- Notify Me! Back in Stock Alert leads worldwide, but India bucks the trend — REZ Preorder, Back In Stock leads there.
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Top 5 Apps in Sales Forecasting
- Notify Me! Back in Stock Alert — Leads sales forecasting apps with 56.9% install share, rated 4.9★ — gaining share this month.
- REZ Preorder, Back In Stock — Holds 34.1% of sales forecasting app install share, rated 5.0★ — losing share this month.
- Essent Preorder Back in Stock — Holds 7.4% of sales forecasting app install share, rated 5.0★ — losing share this month.
- Stockie Inventory Management — Holds 1.1% of sales forecasting app install share, rated 4.9★ — gaining share this month.
- Back in Stock Alert & Preorder — Holds 0 of sales forecasting app install share, rated 5.0★.
Sales Forecasting Shopify Apps — Frequently Asked Questions
1. Which sales forecasting app has the highest market share on Shopify?
Notify Me! Back in Stock Alert dominates the sales forecasting category on Shopify with 56.7% of installs — 22.4pp ahead of REZ Preorder, Back In Stock. This is a clear leader by share, so most merchants default to it unless they have a niche-fit reason to pick differently.
2. How is market share calculated for sales forecasting Shopify apps?
For sales forecasting (a keyword page), 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. Each app's weighted score is divided by the total weighted score across the keyword to give the share %. This reflects Shopify search behaviour: most installs come from the top of the results.
3. Which sales forecasting apps are gaining market share on Shopify?
Notify Me! Back in Stock Alert is gaining sales forecasting app market share fastest this month, up +3.02pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which sales forecasting apps are losing market share on Shopify?
REZ Preorder, Back In Stock has lost the most market share this month among sales forecasting apps (-2.92pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most sales forecasting Shopify app installs?
United States drives the largest share of sales forecasting app installs at 35.4%, followed by United Kingdom at 10.9% and Australia at 8.5%. Use the country picker on the third card to compare market leaders by country.
6. How many sales forecasting apps does ShopDigest track on Shopify?
ShopDigest tracks 96 sales forecasting apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
