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Head-to-head · Accounting Practice Management Software

Karbon vs Firm360

  • Updated Oct 2026
  • Both researched from official sources
  • 8 checks side by side
Higher score Karbon #3 in Accounting Practice Management Software 9.1/10 Paid ✓ 7 of 7 features Visit Karbon

Karbon leads on 0 checks, Firm360 on 0, and 8 are even. Who comes out ahead on the 8 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreKarbon · 9.1/10

Karbon scores higher on our rubric for accounting practice management software: 9.1 against 9.0 out of 10; our editors rank them #3 and #4.

Karbon is the better fit for established firms needing collaboration and scale. Firm360 is the better fit for firms needing comprehensive workflow and billing.

  • Karbon fits best

    Established firms needing collaboration and scale

  • Firm360 fits best

    Firms needing comprehensive workflow and billing

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Karbon 9.1/10 Visit ↗ Firm360 9.0/10 Visit ↗
At a glance
Editor score 9.1 9.0
Ranking #3 in Accounting Practice Management Software #4 in Accounting Practice Management Software
Best for Established firms needing collaboration and scale Firms needing comprehensive workflow and billing
Pricing model Paid Paid
Starting price $59/user/mo —
Free plan — —
Free trial — —
Deployment Cloud, Mobile Cloud
Platforms Web, iOS, Android Web
Integrations 14 integrations 14 integrations
Features Karbon 7/7 · Firm360 7/7
Client portal ✓ ✓
Workflow automation ✓ ✓
Time tracking ✓ ✓
Billing and invoicing ✓ ✓
Document management ✓ ✓
Deadline tracking ✓ ✓
Staff capacity planning ✓ ✓
Our review
Pros
  • Combines workflow, billing, capacity planning, and client portals
  • Supports web, iOS, Android, API, and broad business integrations
  • Adds automation, reminders, AI features, and recurring work tools
  • Combines workflow, billing, documents, portals, deadlines, and capacity planning
  • Supports recurring projects and automated task and status transitions
  • Connects with major tax, accounting, payment, office, and automation tools
Cons
  • No free plan is available
  • Team starts at $59 per user per month, billed annually
  • Advanced capabilities require the Business or Enterprise plan
  • Available on the web only
  • Basic excludes project management and advanced reporting
  • Standard and Premium require a three-user minimum
Our verdict

Karbon is cloud-based practice management software for accounting, tax, bookkeeping, and CPA firms. It brings workflow management, team collaboration, client communication, document handling, time tracking, billing, payments, reporting,…

Read the review →

Firm360 is cloud-based practice management software for CPA and accounting firms that want operational, client, and billing workflows in one web platform. Its scope includes project and workflow management, recurring projects, client…

Read the review →
  1. KarbonAccounting Practice Management Software 9.1Paid
  2. Firm360Accounting Practice Management Software 9.0Paid

Strengths and trade-offs

  • Karbon — where it wins

    • Combines workflow, billing, capacity planning, and client portals
    • Supports web, iOS, Android, API, and broad business integrations
    • Adds automation, reminders, AI features, and recurring work tools

    Where it doesn't

    • No free plan is available
    • Team starts at $59 per user per month, billed annually
    • Advanced capabilities require the Business or Enterprise plan
  • Firm360 — where it wins

    • Combines workflow, billing, documents, portals, deadlines, and capacity planning
    • Supports recurring projects and automated task and status transitions
    • Connects with major tax, accounting, payment, office, and automation tools

    Where it doesn't

    • Available on the web only
    • Basic excludes project management and advanced reporting
    • Standard and Premium require a three-user minimum

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update