Zeng Book
ProductIndustriesIntegrationsPricingResources
Sign inContact salesTry it free

Pricing built around project volume

Start free, then pay when the workflow is pulling its weight

Choose by team size, live projects, and the amount of admin you want Zeng Book to carry. All prices are in SGD and include 9% GST.

Free needs no credit card. Annual billing saves 20% when you are ready to commit.

Choose by team size and project volume. You can upgrade whenever the workflow starts carrying more of the admin load.
Start here

Free

Solo operators validating the workflow

S$0

For solo operators testing the workflow.

No credit card needed
  • 1 user
  • 3 active projects
  • 25 client records
  • Quotations & invoices
  • Zeng Book branding
  • Community support
Create free workspace
First team plan

Starter

Small teams moving off spreadsheets

S$39 / month

For small teams moving off spreadsheets.

Upgrade or cancel anytime
  • 3 users
  • 25 active projects
  • 500 client records
  • Quotations, invoices & documents
  • Custom document branding
  • Payment tracking
  • +1 more included
Start Starter trial
Most popular

Growth

Firms running multiple live projects

S$99 / month

For firms running multiple live projects.

Best value for active project teams
  • Up to 10 users
  • Unlimited projects & clients
  • 10 GB document storage
  • Progress claims & retention
  • API access & signed webhooks
  • Priority email support
  • 200 AI invoice extractions / month
Start Growth trial
More control

Business

Ops-heavy teams that need approvals

S$249 / month

For ops-heavy firms that need controls and onboarding.

Includes onboarding support
  • Up to 25 users
  • 50 GB document storage
  • All Growth features
  • Quotation approval workflows
  • Activity history
  • Custom onboarding session
  • +2 more included
Start Business trial

Need a custom rollout?

Enterprise

Unlimited everything · White-label · SSO · SLA guarantee · Custom onboarding · Dedicated support

Contact us

Start small, then upgrade when you need more users, live projects, automation, AI extraction, approvals, or onboarding.

Frequently asked questions

Is the Free plan really free forever?

Yes. The Free plan stays free for as long as you want. Upgrade only when you outgrow the limits — 1 user, 5 active projects, 50 client records.

Do I need a credit card to start?

No. You can sign up and use Zeng Book on the Free plan without entering any payment details.

Are prices inclusive of GST?

Yes. All prices shown are in Singapore dollars and inclusive of the prevailing 9% GST.

Can I switch plans or cancel anytime?

Yes. Upgrade, downgrade, or cancel from your billing settings. Prorated credit applies on upgrades; downgrades take effect at the end of your current billing period.

Do you offer annual billing?

Yes — save 20% with annual billing. Email [email protected] and we'll set it up for you.

Is my data hosted in Singapore?

Yes. Primary storage runs on Supabase's ap-southeast-1 region in Singapore. See our Privacy Policy and Security page for full details.

Do you offer onboarding?

Free, Starter, and Growth plans include self-serve onboarding with our in-app guides. Business plans include a dedicated onboarding session. Enterprise plans include white-glove migration.

What payment methods are accepted?

All major credit and debit cards via Stripe. Enterprise customers can pay by invoice and bank transfer.

Ready to start?

Sign up for free in 30 seconds. No credit card needed.

Get started free See all features
Zeng Book

AI bookkeeping for Singapore project teams. Capture receipts, match statements, and keep GST-ready records with source evidence attached.

Product

  • Features
  • Pricing
  • How it works
  • Integrations
  • Docs
  • Blog

Account

  • Sign in
  • Sign up
  • Reset password

Legal

  • Privacy Policy
  • Terms of Service
  • Security
© 2026 Zeng Book. All rights reserved. Prices shown include 9% GST where applicable.