1. A2X
Best for settlement-level e-commerce accounting
What it does better than Synder
A2X is the specialist accountants recommend for Amazon, Shopify, and marketplace sellers because it posts summarized, settlement-level journal entries that reconcile exactly to each payout — cleaner books than transaction-by-transaction syncing. It handles fees, refunds, and multi-currency accurately. It integrates with QuickBooks Online and Xero.
Where Synder still wins
A2X only does the sales-to-ledger job; it doesn't cover the broader payment-platform and invoicing automation Synder bundles in.
Best for: Marketplace and Shopify sellers who want payout-accurate, accountant-approved books.



