| Cost | Free open-source core; pay only for optional hosting | About $20–$80/mo, unlimited users | Free tier; about $16/mo for the paid plan | About $19–$60/mo, billed per client on lower tiers | Free tier; paid from about $15/mo | Free, open source |
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| Who owns the data | You do — plain-text files on your own disk | Xero's cloud; CSV and report export | Wave's cloud; CSV export | FreshBooks' cloud; CSV export | Zoho's cloud; CSV export | You do — a local file you back up yourself |
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| Real double-entry | Yes, enforced — a transaction must balance | Yes, full general ledger | Yes, though simplified in the UI | Yes, added later and lighter | Yes, full general ledger | Yes, and strictly |
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| Accountant familiarity | Low — expect to export reports for them | High — the main QuickBooks rival | Moderate for very small books | Moderate, common among freelancers | Lower outside its own ecosystem | Low — most firms will ask for exports |
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| Payroll | Not built in; record it from your provider | Via partners in most regions | Paid add-on in supported regions | Via a partner integration | Available in some regions | None |
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