Billbooks vs IRIS KashFlow Accounting

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Billbooks

See full pricing history

USD · US · source: www.billbooks.com

Plan	Pricing	Charged by	Offer type
Basic	USD 7.95 monthly $7.95/month per organization	Flat · per month	Standalone · Fixed
Standard	USD 14.95 monthly $14.95/month per organization	Flat · per month	Standalone · Fixed
Professional	USD 29.95 monthly $29.95/month per organization	Flat · per month	Standalone · Fixed

IRIS KashFlow Accounting

See full pricing history

GBP · US · source: www.kashflow.com

Plan	Pricing	Charged by	Offer type
Starter — Monthly	GBP 13.5 monthly · GBP 1.35 / month with annual commitment £1.35 /per month (save £72.90 over 6 months) Get 90% off for 6 months.	Flat · per month	Standalone · Fixed
Business Recommended — Monthly Highlighted	GBP 27.5 monthly · GBP 2.75 / month with annual commitment £2.75 /per month (save £148.50 over 6 months) Get 90% off for 6 months.	Flat · per month	Standalone · Fixed

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Billbooks

Basic

Plan card Users: 2

Included
Plan card Clients: 100

Included
Plan card Unlimited invoices and estimates: Included

Standard

Plan card Users: 5

Included
Plan card Clients: 500

Included
Plan card Projects: 500

Included

Professional

Plan card Users: 10

Included
Plan card Unlimited clients: Included
Plan card Unlimited projects: Included

IRIS KashFlow Accounting

Starter — Monthly

Highlights Quotes: unlimited

Included
Highlights Invoices: 10 invoices

Included
Highlights Bank transactions reconciliation: up to 25

Included
Highlights Users: Single User

Included
Highlights Manage and submit VAT online: Included
Highlights Bank Feeds: Included
Highlights Mobile App: Free

Included
Highlights Reports: Access to over 50 reports

Included
Highlights Customisable dashboard: Included
Highlights Manage purchases & expenses: Included
Highlights Track Mileage: Included
Highlights Schedule customer statements: Included
Highlights IRIS Pay: Included
Highlights Customer Credit Limits: Included
Highlights Receipt Capture: Included
Highlights Multi-currency: Included
Highlights Repeat invoices & purchases: Included
Highlights Payroll: up to 5 employees

Included

Business Recommended — Monthly

Highlights Quotes: unlimited

Included
Highlights Invoices: unlimited

Included
Highlights Bank transactions reconciliation: unlimited

Included
Highlights Users: Multi-User

Included
Highlights Manage and submit VAT online: Included
Highlights Bank Feeds: Included
Highlights Mobile App: Free

Included
Highlights Reports: Access to over 50 reports

Included
Highlights Customisable dashboard: Included
Highlights Manage purchases & expenses: Included
Highlights Track Mileage: Included
Highlights Multi-currency: Included
Highlights Repeat invoices & purchases: Included
Highlights Schedule customer statements: Included
Highlights IRIS Pay: Included
Highlights Customer Credit Limits: Included
Highlights Receipt Capture: Included
Highlights Payroll: up to 5 employees

Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Billbooks

August 27, 2026 Source
- Basic: USD 7.95 monthly
- Standard: USD 14.95 monthly
- Professional: USD 29.95 monthly

IRIS KashFlow Accounting

August 27, 2026 Source
- Starter — Monthly: GBP 13.5 monthly · GBP 1.35 / month with annual commitment
- Business Recommended — Monthly: GBP 27.5 monthly · GBP 2.75 / month with annual commitment