Your Data, Where You Need It — No Double Entry
Appello connects to the accounting software you already use. Bi-directional sync keeps your books accurate without manual data entry.

Connect to Your Accounting System
Appello integrates with the tools you already use. No rip-and-replace required.
QuickBooks Online
Real-Time Bi-Directional
Sage 50
CSV Export/Import
Sage 100/300
API Integration
Vista
Payroll Export
ProContractor
CSV Export
Spectrum
Custom Integration
Zapier
10,000+ Apps
Seamless Data Flow
Data flows automatically between your field operations and accounting system.
Field Data
Timesheets, Expenses, Progress
QuickBooks
Invoices, Bills, Payments
What Syncs Automatically
QuickBooks Online Integration
Real-time bi-directional sync keeps your books accurate without double entry. Invoices, bills, customers, payments — everything stays in sync.
- Customer & Supplier Sync
Customers and suppliers stay in sync between systems automatically.
- Invoice Sync (Appello → QBO)
Progress invoices created in Appello appear in QuickBooks instantly.
- Bill Sync (QBO → Appello)
Bills from QuickBooks sync back to Appello for job costing.
- Tax Type Mapping
HST, GST, and other tax types map correctly between systems.
- Real-Time Webhooks
Changes sync instantly — no waiting for batch updates.
QuickBooks Online
Real-Time Bi-Directional Sync
Zapier Integration
Connect to 10,000+ Apps
Use Zapier to connect Appello to thousands of other apps. Automate workflows, send notifications, and move data wherever you need it.
Explore Zapier IntegrationsPopular Automations
- Slack notifications when invoices are paid
- Google Sheets exports for custom reporting
- Email automation for billing reminders
- Microsoft Teams alerts for job updates
- Airtable sync for project tracking
Integration Results
Real results from contractors using Appello integrations.
Hours/Week Saved
No more double entry between systems
APs Synced Annually
One customer's real usage
Customers on QuickBooks
Most popular integration
Explore Related Modules
See how integration connects to the rest of Appello.
Already Using Accounting Software?
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