Hydra ‑ Inventory Sync vs Syncio 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 for Hydra, Nov 2, 2026 for Syncio Inventory Sync.
The short answer
- On the Shopify App Store: Hydra 5.0 from 1 reviews and Syncio Inventory Sync 4.7 from 256 reviews.
- Only Syncio Inventory Sync lists a free plan. Paid plans start at $30/month for Hydra and $19/month for Syncio Inventory Sync.
- Syncio Inventory Sync lists 24 features Hydra’s listing doesn’t mention, including Automatic, Barcodes, Bulk.
Head to head
Sync your stores properly
Real Time Inventory Sync, Product Sync, and Order Push
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
Free
- · 5 order pushes/mo
- · 5 payouts/mo
- · Connect to unlimited source stores
- · Import up to 25 products
- · Real-time Inventory Sync
- · Remove variant sync
Starter
- · Bonus! Extra day free trial (15 days)
- · Connect to unlimited source stores
- · Import 26 to 100 products
- · Real-time Inventory Sync
Traction
- · Bonus! Extra day free trial (15 days)
- · Connect to unlimited source stores
- · Import 101 to 500 products
- · Real-time Inventory Sync
Growth
- · Bonus! Extra day free trial (15 days)
- · Connect to unlimited source stores
- · Contact for more plans
- · Import 501 to 1000 products
- · Real-time Inventory 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.
Reduce manual work and avoid overselling across multiple stores. Use Syncio to import and sync products with inventory real-time updated. Keep stock, products, orders, and payouts consistent between stores. Sync product details such as images, prices, tags, and descriptions. Automatically forward orders for fulfilment. Work out revenue sharing/splits with the payouts feature. Sync across Shopify and WooCommerce.
- 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.
- Inventory sync & real time stock adjustment using SKU or barcode
- Sync & customize product fields such as description, price, tags, images & more
- Sync order information for fulfillment & create revenue splits/payouts
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 |  Syncio Inventory Sync |
|---|---|---|
| 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 | Syncio Inventory Sync |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.7 ★ |
| App Store reviews | 1 | 256(ahead) |
| New reviews, 28 days | Not enough data | 4 |
| Reviewers a year or more in | Not enough data | 67% |
Pricing
| Measure | Hydra | Syncio Inventory Sync |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $30/month | $19/month(ahead) |
| Longest free trial | Not listed | 15 days |
| Plans listed | 2 | 4 |
Listing
| Measure | Hydra | Syncio Inventory Sync |
|---|---|---|
| Shopify category rank | #508 | #17(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 30, 2020 | Dec 11, 2017 |
| Languages | 1 | 1 |
| Developer | Plutocracy | Syncio |
FAQ
Hydra and Syncio Inventory Sync: common questions
- Is Hydra or Syncio Inventory Sync cheaper?
- Only Syncio Inventory Sync lists a free plan. Paid plans start at $30/month for Hydra and $19/month for Syncio Inventory Sync. 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 Syncio Inventory Sync?
- On the Shopify App Store: Hydra 5.0 from 1 reviews and Syncio Inventory Sync 4.7 from 256 reviews.
- What features does each app list that the other doesn’t?
- Syncio Inventory Sync lists 24 the others don’t mention, such as Automatic, Barcodes, Bulk, Bulk deletion. 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 for Hydra, Nov 2, 2026 for Syncio Inventory Sync; 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 for Hydra, Nov 2, 2026 for Syncio Inventory Sync. 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.