ne Shop Manager
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One Shop Manager or Merlin Backoffice

Both are desktop apps that manage the PrestaShop catalog in bulk. The difference lies in the model and the operating system: Merlin Backoffice Flex, by Sitolog, is a monthly subscription for Windows; One Shop Manager is a license paid once, for Mac and Windows.

Try it free for 14 days See pricing

In figures

Public prices recorded on October 2, 2026 on Sitolog's Merlin Backoffice Flex page, excluding promotions.

One Shop Manager Merlin Backoffice Flex
Model Perpetual license Monthly subscription, no commitment
Price excl. VAT €149 (launch), then €299, once €20/month (Essentiels), €30 (Pro), €40 (Premium), €60 (Business)
3-year cost €299, or €437 with updates €360 to €1,080 depending on the plan and the yearly discount
Shops 3 1 (Essentiels), 2 (Pro), 3 (Premium), 5 (Business)
Computers 3 2, unlimited on Business on a VPS
Operating systems macOS 11+ and Windows 10+ Windows 10 and 11; on a Mac, through a virtual machine
PrestaShop versions 1.6, 1.7, 8 and 9 1.5, 1.6, 1.7, 8 and 9
Trial 14 days 15 days

When to choose One Shop Manager

  • You want to pay once rather than every month.
  • You work on a Mac, without a virtual machine.
  • You manage up to 3 shops without moving to a higher plan.
  • You pick orders or sell in store: picking and the till are included.

When Merlin Backoffice may be a fit

  • Your shop is still on PrestaShop 1.5, which One Shop Manager does not support.
  • You prefer a monthly subscription with no commitment to a purchase.
  • You manage 4 or 5 shops on a single plan.

Updated October 2, 2026. Markdown version