What do inventory sync app merchants complain about most? (incorrect inventory sync)

Across 220 low-star reviews in this niche, 43% centre on incorrect inventory sync. Example: “set my entire inventory quantity to zero (0)”

What do inventory sync app merchants complain about most? (unresponsive customer support)

Across 220 low-star reviews in this niche, 27% centre on unresponsive customer support. Example: “support does not exist , sent messages 3 times.”

What do inventory sync app merchants complain about most? (billing & unexpected charges)

Across 220 low-star reviews in this niche, 14% centre on billing & unexpected charges. Example: “I unistalled this app and keep getting charged for it”

Top Shopify Inventory sync apps

Who ranks, what merchants complain about, and whether the niche is growing — read from our own daily crawl of the Shopify App Store.

Apps in niche

636

30-day growth

0.8%

Leader

QuickSync: Etsy Integration

Leader share

9.6%

Top 10 today

as of 13 November 2026

1
SPL TikTok Shop Integration
Sync your products & inventory seamlessly in real time across multiple TikTok Shops.
4.9(878)
2
CedCommerce Amazon Channel
Sell on any Amazon marketplace from your Shopify store with the CedCommerce Amazon Channel app. Get near Real-Time order sync, multiaccount connectivity & more.
4.6(1,175)
3
InfoShore eBay Integration
Shopify eBay Integration to import and export products, with automatic bidirectional sync of orders, inventory, and pricing plus real-time eBay listing revision
4.9(420)
4
shopUpz ‑ Etsy Sync & Import
Sync your Shopify store with Etsy seamlessly. Automatically import and export unlimited listings, update stock levels, and manage orders with customer details.
4.7(198)
5
LitCommerce eBay Etsy Amazon +
Seamlessly sync Shopify inventory to Etsy, eBay, Amazon, TikTok Shop, and 20+ marketplaces. Avoid duplicates, auto-link listings, and simplify store data import
4.8(983)
6
DPL ‑ eBay Integration
Shopify eBay Integration app. Sync Products, Inventory, and Orders between the Shopify and eBay stores in real-time.
4.9(1,299)
7
Optima Tiktok Shop Integration
Connect Shopify with TikTok Shop integration to sync products, inventory & orders in real time. Simplify order management, fulfillment & tiktok seller center
4.8(42)
8
eCommix ‑ Google Sheets Sync
eCommix automatically exports your Shopify orders, products, and more to Google Sheets. Edit multiple items and import the changes back to your store in seconds
4.9(31)
9
MyWorks Sync for QuickBooks
Forget manual bookkeeping and save 100s of hours with MyWorks. The top-rated QuickBooks Sync, trusted and loved by thousands of e-commerce business owners.
4.6(59)
10
syncX: Stock Sync & Inventory
Automate products & inventory import from any suppliers in any format. Stock Sync supports multiple connections and file formats.
4.8(942)

What merchants complain about

The top three themes across 220 low-star reviews in this niche — grouped from our own corpus, every theme carries a real quote.

incorrect inventory sync
43% of complaints
“set my entire inventory quantity to zero (0)”
unresponsive customer support
27% of complaints
“support does not exist , sent messages 3 times.”
billing & unexpected charges
14% of complaints
“I unistalled this app and keep getting charged for it”

Clustered on 18 September 2026.

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