Hydra ‑ Inventory Sync vs Syncerize ‑ inventory sync
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 23, 2026.
The short answer
- On the Shopify App Store: Hydra 5.0 from 1 reviews and Syncerize 4.8 from 17 reviews.
- Only Syncerize lists a free plan. Paid plans start at $30/month for Hydra and $19/month for Syncerize.
- Syncerize lists 33 features Hydra’s listing doesn’t mention, including Automated alerts, Automatic, Barcodes.
Head to head
Sync your stores properly
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Inventory
- · 1 minute install
- · See all stock movements between stores
- · Sync Inventory between multiple stores
Products+
- · Control all config from one source store
- · Detailed logging of every update
- · See all stock movements
- · Sync Inventory, Products, and Collections
Basic
- · 1 Source Store connection
- · 20 Orders/month
- · 25 Product imports/sync
- · Invoicing
- · Manual Order forward
- · Real-time inventory sync
Starter
- · 100 Orders/month
- · 100 Product imports/sync
- · 2 Source Store connections
- · Invoicing
- · Manual & Auto Order forward
- · Real-time Product sync without images
Growth
- · 3 Source store connections
- · 500 Orders/month
- · 500 product imports/sync
- · Invoicing
- · Manual & Auto Order forward
- · Real-time Product sync with images
Accelerator
- · 1000 Orders/month
- · 1000 Product imports/sync
- · 5 Source Store connections
- · Invoicing
- · Manual & Auto Order forward
- · Real-time Product sync
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureManaging multiple stores is time-consuming and error-prone. Hydra solves this by creating a seamless link between your stores; this allows you to manage one inventory pool across multiple Shopify installations. Hydra syncs product information, collection information and allows you to set override values, stock offsets, different pricing and more.
Prevent overselling and streamline multistore operations with Syncerize. Inventory Sync, products, and orders in real-time across multiple Shopify and WooCommerce stores. Easily connect stores, suppliers, or warehouses to create your own dropshipping network. Automatically update inventory with every order, cancellation, refund, or restock.
- Sync Inventory levels by SKU between stores creating a single inventory pool.
- Sync Product information including prices, metafields, images and more.
- Configure which fields to sync, including overriding price and ignore rules.
- Multi Store Sync with real-time product, inventory & order syncing.
- Map products between stores based on SKU or UPC.
- Sync & customize product info such as descriptions, tags, options, images & more
- Automatically sync orders for fulfillment between connected stores.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Hydra |  Syncerize |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Hydra | Syncerize |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.8 ★ |
| App Store reviews | 1 | 17(ahead) |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Hydra and Syncerize: common questions
- Is Hydra or Syncerize cheaper?
- Only Syncerize lists a free plan. Paid plans start at $30/month for Hydra and $19/month for Syncerize. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Hydra or Syncerize?
- On the Shopify App Store: Hydra 5.0 from 1 reviews and Syncerize 4.8 from 17 reviews.
- What features does each app list that the other doesn’t?
- Syncerize lists 33 the others don’t mention, such as Automated alerts, Automatic, Barcodes, Bulk. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 23, 2026; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 23, 2026. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.