Billing software vs accounting software: do you need both?

Accounting software records and reports your finances: the general ledger, bank reconciliation, supplier bills, VAT returns and financial statements. Billing software manages how you charge and collect from customers: plans and subscriptions, recurring invoices, payment methods, debit orders, failed payment recovery and customer self-service. If you send a few dozen once-off invoices a month, accounting software alone is usually enough. Once you bill recurring customers, collect by debit order or card, or spend hours chasing and matching payments, a billing platform connected to your accounting software typically pays for itself.

What each tool is built for

Neither replaces the other. The question is whether the billing side of your business is complex enough to need a specialist tool.

Signs accounting software alone is enough

• Mostly once-off invoices, paid by EFT.
• Fewer than roughly 50–100 invoices a month.
• Few recurring customers, with fixed amounts.
• No debit orders, or a small number managed directly with your provider.
• Late payments are rare and easy to chase manually.

In this setup, use your accounting package's invoicing, add a payment link from a gateway, and reconcile through bank feeds.

Signs you need a billing platform

• Recurring revenue. Monthly or annual plans, with sign-ups, cancellations, upgrades and trials.
• Debit orders. Mandates, monthly batches, unpaids and disputes to manage.
• Several payment methods. Card, instant EFT, debit order and EFT for the same customers.
• Failed payments. Revenue leaking because nobody follows up quickly.
• Customer self-service. Customers asking for copies of invoices, to update cards or to change plans.
• Multiple brands or entities. Separate branding, gateways and VAT settings.
• Time. Someone spends days each month on invoicing, matching and chasing.

How they work together

The common, clean architecture is:

1. Billing platform owns customers, plans, invoices and collections.
2. Payment gateways and debit order provider move the money.
3. Accounting software receives invoices, payments and fees through an integration, and remains the book of record for the ledger, VAT returns and financial statements.

Avoid capturing the same invoice in two places by hand: decide which system creates invoices, and sync to the other. Our colleagues have integration guides for QuickBooks, Sage and Zoho Books.

Questions to ask before you buy

• Which local payment methods and gateways does it support (card, instant EFT, debit orders, EFT with proof of payment)?
• Can it produce South African tax invoices with your VAT settings?
• How does it sync to your accounting package: invoices, payments, fees, credit notes?
• Can customers pay, update details and download invoices themselves?
• What happens when a payment fails?
• Does it have an API and webhooks if you have your own app?
• How are access and security handled (roles, two-factor authentication, audit logs)?
• Can you export your data if you leave?
• What does it cost at your expected volume, including gateway fees?

For a deeper checklist focused on subscriptions, see our colleagues' subscription billing software buyer's guide.

Cost vs time saved

A simple way to decide: estimate the hours per month spent on invoicing, payment matching, chasing and handling failed payments, multiply by an hourly cost, and add revenue lost to failed or late payments. Compare that with the software cost. For many recurring-revenue businesses the time saved alone covers it; the reduction in failed and late payments is the bonus.

How CentraPoint helps

CentraPoint is a billing and payments platform designed to sit alongside your accounting software. It handles customers, subscription packages and plans, invoices, payment links, hosted checkout, Netcash debit orders, EFT orders with proof of payment, multi-gateway card and instant EFT payments, dunning, coupons and a customer portal, then syncs invoices and payments to Xero, QuickBooks, Zoho Books or Sage. See features and pricing.

Frequently asked questions

Can accounting software handle subscriptions?

Most accounting packages can create repeating invoices, but they typically have limited support for plan changes, trials, proration, failed payment retries and debit order management. That's where billing software adds value.

Will billing software replace my accountant's system?

No. Billing software manages customer charges and collections; your accounting software remains the book of record for the ledger, VAT returns and financial statements.

Do I have to capture invoices twice if I use both?

Not if they're integrated. The billing platform creates invoices and payments and syncs them to your accounting software automatically.

When is the right time to add billing software?

When recurring billing, multiple payment methods, debit orders or failed payments start consuming significant time each month, or when revenue is being lost to late and failed payments.