Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Head-to-head · Law Firm Accounting Software

LeanLaw vs Tabs3

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score LeanLaw #6 in Law Firm Accounting Software 8.1/10 From $55/user/mo · 14-day trial ✓ 0 of 5 features Visit LeanLaw
Tabs3 #7 in Law Firm Accounting Software 8.0/10 From $69/user/mo · 10-day trial ✓ 1 of 5 features Visit Tabs3

LeanLaw leads on 1 check, Tabs3 on 1, and 1 is even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreLeanLaw · 8.1/10
  • Lowest starting priceLeanLaw · $55/user/mo
  • Most featuresTabs3 · 1 of 5

LeanLaw scores higher on our rubric for law firm accounting software: 8.1 against 8.0 out of 10; our editors rank them #6 and #7.

LeanLaw is cheaper to start at $55/user/mo against $69/user/mo. Tabs3 offers trust/iolta accounting; LeanLaw doesn't publish it.

LeanLaw is the better fit for firms linking legal accounting with QuickBooks Online. Tabs3 is the better fit for firms wanting deep billing and trust controls.

  • LeanLaw fits best

    Firms linking legal accounting with QuickBooks Online

  • Tabs3 fits best

    Firms wanting deep billing and trust controls

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature LeanLaw 8.1/10 Visit ↗ Tabs3 8.0/10 Visit ↗
At a glance
Editor score 8.1 8.0
Ranking #6 in Law Firm Accounting Software #7 in Law Firm Accounting Software
Best for Firms linking legal accounting with QuickBooks Online Firms wanting deep billing and trust controls
Pricing model Paid Paid
Starting price $55/user/mo (best) $69/user/mo
Free plan — —
Free trial — —
Free trial length 14 days · no card needed 10 days
Deployment Cloud, Desktop, Mobile Cloud, Self-hosted
Platforms Web, Windows, macOS, iOS, Android Web
Support Email, Docs Email, Phone, Docs
Compliance SSO/SAML PCI DSS
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features LeanLaw 0/5 · Tabs3 1/5
Trust/IOLTA accounting Not published ✓ (best)
Client ledgers Not published Not published
Legal billing Not published Not published
Time & expense tracking Not published Not published
Firm financial reports Not published Not published
Specs
Accounting basis Not published Not published
Our review
Pros
  • Two-way QuickBooks Online sync is included in Core.
  • Tracks trust and IOLTA accounting, with reconciliation tools.
  • Accepts card and ACH payments through client payment links.
  • Tracks trust ledgers, reconciliations, and minimum-balance alerts.
  • Supports time tracking, billing, invoicing, statements, and payment collection.
  • Adds matter records, document automation, calendaring, and conflict checks.
Cons
  • Core and Pro are priced per user per month.
  • Contingency and Elite require custom pricing.
  • A one-time onboarding fee may apply depending on plan and firm size.
  • No mobile apps; remote access is browser-based through Tabs3 Connect.
  • PracticeMaster features require a separate paid add-on.
  • The 10-day Cloud trial follows a qualification discussion.
Our verdict

LeanLaw combines legal billing and accounting with QuickBooks Online for law firms that need to track time, expenses, invoices, trust funds, and matter finances. Its feature set spans small firms through enterprise, with cloud, desktop,…

Read the review →

Tabs3 brings legal billing, time tracking, financials, trust accounting, and matter-related tools together for solo, small, and midsize law firms. Its capabilities address attorneys and support staff who need to track fees, bill clients,…

Read the review →
  1. LeanLawLaw Firm Accounting Software 8.1From $55/user/mo · 14-day trial
  2. Tabs3Law Firm Accounting Software 8.0From $69/user/mo · 10-day trial

Strengths and trade-offs

  • LeanLaw — where it wins

    • Two-way QuickBooks Online sync is included in Core.
    • Tracks trust and IOLTA accounting, with reconciliation tools.
    • Accepts card and ACH payments through client payment links.

    Where it doesn't

    • Core and Pro are priced per user per month.
    • Contingency and Elite require custom pricing.
    • A one-time onboarding fee may apply depending on plan and firm size.

  • Tabs3 — where it wins

    • Tracks trust ledgers, reconciliations, and minimum-balance alerts.
    • Supports time tracking, billing, invoicing, statements, and payment collection.
    • Adds matter records, document automation, calendaring, and conflict checks.

    Where it doesn't

    • No mobile apps; remote access is browser-based through Tabs3 Connect.
    • PracticeMaster features require a separate paid add-on.
    • The 10-day Cloud trial follows a qualification discussion.
  • LeanLaw8.1/10 · From $55/user/mo · 14-day trial

    A QuickBooks Online-connected system for legal billing, trust accounting, and matter finances.

    Visit LeanLawFull verdict →
  • Tabs38.0/10 · From $69/user/mo · 10-day trial

    Tabs3 combines legal billing, trust accounting, and matter tools with cloud or on-site deployment.

    Visit Tabs3Full verdict →

More comparisons

All law firm accounting software comparisons → · Full ranking →

Guides on law firm accounting software

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update