CircaOS Connector vs MeliSync ‑ Mercadolibre SYNC
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for CircaOS Connector, Oct 21, 2026 for MeliSync.
The short answer
- On the Shopify App Store: CircaOS Connector 5.0 from 2 reviews and MeliSync 4.2 from 10 reviews.
- Paid plans start at $50/month for CircaOS Connector and $6.99/month for MeliSync.
- CircaOS Connector lists 8 features MeliSync’s listing doesn’t mention, including Barcode scanning, Barcodes, Historical reports.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Base
- · Admin and associate permissions
- · Configurable app interface
- · Customer success support
- · Customizable business rules
- · Unlimited seats across your store
Scale
- · Admin and associate permissions
- · Configurable app interface
- · Customer success support
- · Customizable business rules
- · Unlimited seats across your store
Peak
- · Admin and associate permissions
- · Configurable app interface
- · Customer success support
- · Customizable business rules
- · Unlimited seats across your store
Plan Beta
- · Exportación y vinculación con IA
- · Hasta 20 productos
- · Soporte técnico especializado
Plan Intermedio
- · Exportación y vinculación con IA
- · Hasta 500 productos
- · Soporte técnico especializado
Plan Enterprise
- · Exportación y vinculación con IA
- · Sin límite de productos
- · Soporte técnico especializado vía chat
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThis app connects your CircaOS system to your Shopify store. When you process second-hand or consignment items in CircaOS, you can push product listings — including photos, metadata, SKUs, and descriptions — directly to Shopify. The app gives you control over which items publish online, so your storefront stays accurate without manual data entry.
MeliSync conecta tu cuenta de Mercado Libre con tu tienda Shopify para mantener ambos catálogos sincronizados sin tareas manuales. La aplicación importa tus productos desde Mercado Libre y actualiza automáticamente títulos, precios, stock, descripciones e imágenes cada vez que se detectan cambios.
- Push inventory listings from CircaOS to Shopify in one click.
- Sync product photos, metadata and descriptions automatically.
- Seamlessly capture product data for effortless resale inventory management.
- Importa todos los productos o productos seleccionados
- Actualiza todos los productos o productos seleccionados cuando quieras
- Centraliza todo el manejo de tus productos en una sola plataforma.
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 |  CircaOS Connector |  MeliSync |
|---|---|---|
| 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 | CircaOS Connector | MeliSync |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.2 ★ |
| App Store reviews | 2 | 10(ahead) |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | CircaOS Connector | MeliSync |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $50/month | $6.99/month(ahead) |
| Longest free trial | 14 days | 1 days |
| Plans listed | 3 | 3 |
Listing
| Measure | CircaOS Connector | MeliSync |
|---|---|---|
| Shopify category rank | #248 | #84(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 19, 2026 | Dec 5, 2025 |
| Languages | 1 | 2 |
| Developer | Circa Systems | Meteora |
FAQ
CircaOS Connector and MeliSync: common questions
- Is CircaOS Connector or MeliSync cheaper?
- Paid plans start at $50/month for CircaOS Connector and $6.99/month for MeliSync. 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, CircaOS Connector or MeliSync?
- On the Shopify App Store: CircaOS Connector 5.0 from 2 reviews and MeliSync 4.2 from 10 reviews.
- What features does each app list that the other doesn’t?
- CircaOS Connector lists 8 the others don’t mention, such as Barcode scanning, Barcodes, Historical reports, Inventory levels. MeliSync lists 2 the others don’t mention, such as Automatic, 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 14, 2026 for CircaOS Connector, Oct 21, 2026 for MeliSync; 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 14, 2026 for CircaOS Connector, Oct 21, 2026 for MeliSync. 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.