Forecasting Shopify Apps – Market Share Breakdown
(Updated September 2026) See which 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.
Forecasting Shopify Apps — Full Market Share Table
All tracked 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 |  Preorder, Back In Stock REZ | 34.04% | 18.95 | Declining |
| 2 |  Stockie Inventory Management | 24.00% | 9.00 | Climbing |
| 3 |  Prediko Inventory Management | 16.87% | 0.15 | Climbing |
| 4 |  Notify Me! Back in Stock Alert | 9.63% | 1.87 | Climbing |
| 5 |  EasyScan Inventory & Barcode | 6.85% | 6.85 | Climbing |
| 6 |  Kaching Subscriptions App | 5.03% | 2.32 | Climbing |
| 7 |  Essent Preorder Back in Stock | 0.75% | 0.09 | Declining |
| 8 |  Rewize Inventory Forecasting | 0.62% | 0.48 | Declining |
| 9 |  Propel Replay, Survey, Heatmap | 0.60% | 0.10 | Climbing |
| 10 |  MIDA Replay, Heatmap & Insight | 0.43% | 0.04 | Climbing |
Showing 1-10 out of 24
Key Insights:
- Preorder, Back In Stock REZ holds 34.0% share of forecasting app installs — 10.0pp ahead of Stockie Inventory Management (24.0%).
- Top 3 apps (Preorder, Back In Stock REZ, Stockie Inventory Management, Prediko Inventory Management) account for 74.9% of all forecasting install share — a concentrated market.
- Stockie Inventory Management is gaining share fastest this month (+9.00pp) — the largest single gainer among the top forecasting apps by share.
- Preorder, Back In Stock REZ is losing share fastest (-18.95pp) — could indicate a churning user base or a stronger challenger gaining ground.
Forecasting Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 forecasting Shopify apps over the past year — see who's gaining or losing install share month by month.
Charts Data
| App | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 |
|---|---|---|---|---|---|---|
| Stockie Inventory Management | — | 24.2% | 14.9%9.29 | 24.9%9.96 | 37.5%12.64 | 41.6%4.12 |
| EasyScan Inventory & Barcode | — | — | — | 6.9% | 14.8%7.95 | 15.9%1.1 |
| Notify Me! Back in Stock Alert | — | 12.0% | 7.8%4.21 | 9.6%1.8 | 12.3%2.7 | 12.1%0.16 |
 Inventory Management ‑ Assisty | — | 0.8% | 1.1%0.31 | 0.1%0.96 | 5.3%5.14 | 7.8%2.54 |
| Prediko Inventory Management | — | 25.5% | 16.6%8.87 | 16.6%0.06 | 12.2%4.35 | 6.9%5.3 |
Key Insights:
- Stockie Inventory Management's share expanded from 24.2% → 41.6% over the charted period.
- Of the top 5 tracked forecasting apps, 4 grew share and 1 lost share — leader is widening the gap.
Top Forecasting Shopify Apps by Country
Per-country market share rankings for 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:
- Preorder, Back In Stock REZ leads forecasting apps in 3 of 4 tracked markets (India, China, United Kingdom).
- Preorder, Back In Stock REZ leads worldwide, but United States bucks the trend — Stockie Inventory Management leads there.
⚠️ Data issue or feedback?
Reach out to us at [email protected].
Top 5 Apps in Forecasting
- Stockie Inventory Management — Leads forecasting apps with 41.6% install share, rated 4.9★ — gaining share this month.
- EasyScan Inventory & Barcode — Holds 15.9% of forecasting app install share, rated 5.0★ — gaining share this month.
- Inventory Management ‑ Assisty — Holds 7.8% of forecasting app install share, rated 4.8★ — gaining share this month.
- Prediko Inventory Management — Holds 6.9% of forecasting app install share, rated 4.9★ — losing share this month.
- IFH Inventory Forecasting Hero — Holds 0.5% of forecasting app install share, rated 5.0★ — gaining share this month.
Forecasting Shopify Apps — Frequently Asked Questions
1. Which forecasting app has the highest market share on Shopify?
Preorder, Back In Stock REZ dominates the forecasting category on Shopify with 34.0% of installs — 10.0pp ahead of Stockie Inventory Management. 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 forecasting Shopify apps?
For 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 forecasting apps are gaining market share on Shopify?
Stockie Inventory Management is gaining forecasting app market share fastest this month, up +9.00pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which forecasting apps are losing market share on Shopify?
Preorder, Back In Stock REZ has lost the most market share this month among forecasting apps (-18.95pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most forecasting Shopify app installs?
United States drives the largest share of forecasting app installs at 44.5%, followed by United Kingdom at 11.1% and Australia at 9.5%. Use the country picker on the third card to compare market leaders by country.
6. How many forecasting apps does ShopDigest track on Shopify?
ShopDigest tracks 96 forecasting apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
