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Legal · head to head

Rocket Matter vs Tabs3

Rocket Matter logo

Rocket Matter

Legal

Legal practice management with billing and time tracking, tiered from matter basics to full legal accounting

From
On request
Rated
-
Tabs3 logo

Tabs3

Legal

Billing, trust and general ledger accounting for small and mid-sized US law firms

From
$69/month
Rated
-

The short version

  • Each has a real cost: Rocket Matter trust accounting compliance is only included on the most expensive Elite tier, so firms with a regulatory requirement for it face a higher effective floor price than the entry-level plan suggests.; Tabs3 the interface follows Windows desktop conventions from an earlier era, so new fee earners and staff take longer to train than they would on a browser-based competitor.
  • They diverge on capability: Rocket Matter covers Matter management, Tabs3 covers Tabs3 Billing.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Rocket Matter and Tabs3 actually diverge.

Attributes where Rocket Matter and Tabs3 differ
AttributeRocket MatterTabs3
Starting priceOn request$69/month
PlatformsWeb, iOS, AndroidWindows, Web, iOS, Android

Identical on both: pricing model (Per user per month), free tier (No), user rating (Not yet rated), category (Legal).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Rocket Matter

  • Matter management
  • Time tracking and billing
  • Document management
  • Matter budgeting
  • Reporting

Only in Tabs3

  • Tabs3 Billing
  • General ledger and accounts payable
  • PracticeMaster
  • On-premises or cloud subscription

Both cover

  • Trust accounting

What people use each for

The jobs each tool is most often brought in to do.

Rocket Matter

  • A solo practitioner wanting matter tracking and billing in one system without separate accounting softwarenot Tabs3
  • A small firm that needs kanban-style visibility into where each matter standsnot Tabs3
  • A mid-sized firm that has outgrown Essentials and needs split billing across multiple timekeepers on a matternot Tabs3
  • A firm required to demonstrate trust accounting compliance that specifically needs the top Elite tiernot Tabs3

Tabs3

  • Small firms billing hourly that want billing and the firm general ledger in one system rather than reconciling twonot Rocket Matter
  • Practices that must run three-way trust reconciliation without a separate bookkeeping packagenot Rocket Matter
  • Firms that need an on-premises deployment because of client or insurer restrictions on cloud-hosted matter datanot Rocket Matter
  • Long-established practices replacing a decades-old billing system while keeping accounting in housenot Rocket Matter

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Rocket Matter

  • Trust accounting compliance is only included on the most expensive Elite tier, so firms with a regulatory requirement for it face a higher effective floor price than the entry-level plan suggests.
  • It is not built for large enterprise legal departments, so firms above a certain size outgrow it and move to platforms such as Clio or Aderant.
  • The tier structure gates common workflow features like kanban boards and templates behind Pro and above, so the cheapest tier is functionally limited.
  • Its name is easily confused with the Matter smart-home connectivity protocol, an entirely unrelated technology, which can cause mismatched search results.
  • Per-user monthly pricing across four tiers means a growing firm needs to actively reassess its plan as headcount and accounting needs change, rather than a single plan scaling automatically.

Tabs3

  • The interface follows Windows desktop conventions from an earlier era, so new fee earners and staff take longer to train than they would on a browser-based competitor.
  • On-premises deployment puts backup, disaster recovery, server upgrades and patching on the firm, which small practices without IT support routinely underestimate.
  • It is built around hourly and flat fee billing, so a contingency practice tracking case costs and settlement disbursements will find the case financial model a poor fit.
  • PracticeMaster case management is priced separately from billing, so the advertised per-user rate is not what a firm wanting matter management actually pays.
  • Choosing the on-premises option no longer avoids a subscription, because it is billed per user per month like the hosted version.

Pricing, plan by plan

Rocket Matter

On request
  • Essentials$49/month
    • Matter management
    • Billing and timekeeping
    • No trust accounting
  • Pro$79/month
    • Matter templates
    • Kanban board matter management
  • Premier$99/month
    • Advanced billing permissions
    • Split billing and fee allocation
  • Elite$129/month
    • Matter budgets
    • Full legal accounting and trust accounting compliance

Tabs3

$69/month
  • OnSite Subscription$69/month
    • Deployed on the firm server
    • Billing, trust accounting and general ledger
    • PracticeMaster add-on at 32 USD per user per month
  • Tabs3 Cloud$89/month
    • Hosted by the vendor
    • Billing, trust accounting and general ledger
    • PracticeMaster add-on at 35 USD per user per month

Which should you pick?

Choose Rocket Matter if

  • You need matter management.
  • You work on Web, iOS, Android.
  • You also want time tracking and billing.

Choose Tabs3 if

  • You need tabs3 billing.
  • You work on Windows, Web, iOS, Android.
  • You also want general ledger and accounts payable.

Questions people ask

Is Rocket Matter or Tabs3 better?
Neither clearly leads. Rocket Matter starts at On request and Tabs3 at $69/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Rocket Matter or Tabs3?
Rocket Matter starts at On request and Tabs3 at $69/month.
Does Rocket Matter or Tabs3 run on more platforms?
Rocket Matter runs on Web, iOS, Android. Tabs3 runs on Windows, Web, iOS, Android.
What is Rocket Matter best used for?
Rocket Matter is most often used for a solo practitioner wanting matter tracking and billing in one system without separate accounting software, a small firm that needs kanban-style visibility into where each matter stands, a mid-sized firm that has outgrown essentials and needs split billing across multiple timekeepers on a matter, a firm required to demonstrate trust accounting compliance that specifically needs the top elite tier. Of those, a solo practitioner wanting matter tracking and billing in one system without separate accounting software and a small firm that needs kanban-style visibility into where each matter stands are not what Tabs3 is typically brought in for.
What can Rocket Matter do that Tabs3 cannot?
Rocket Matter covers Matter management, Time tracking and billing, Document management, Matter budgeting. Tabs3 covers Tabs3 Billing, General ledger and accounts payable, PracticeMaster, On-premises or cloud subscription. Both handle Trust accounting.

Answered from the vendors’ own pages

Rocket Matter: Does Rocket Matter include trust accounting?

Only on the Elite tier; the Essentials, Pro and Premier tiers do not include full trust accounting compliance.

Tabs3: Is Tabs3 right for a personal injury firm working on contingency?

No. It is built for hourly and flat fee billing with a firm general ledger. A contingency practice needs case cost tracking and settlement disbursement handling, which is what CASEpeer and Filevine are built around.

Rocket Matter: Is Rocket Matter the same as the Matter smart-home standard?

No, that is an unrelated connectivity protocol for smart-home devices; Rocket Matter is legal practice management software.

Tabs3: Can I still buy Tabs3 as a perpetual licence?

No published perpetual price exists. The on-premises option, called OnSite Subscription, starts at 69 USD per user per month, with the hosted Tabs3 Cloud starting at 89 USD per user per month.

Rocket Matter: What size firm is Rocket Matter built for?

Solo practitioners through mid-sized firms; larger firms typically need a more enterprise-oriented platform.

Tabs3: Does it replace QuickBooks?

For most firms yes. It includes a double-entry general ledger and accounts payable, which is the usual reason firms choose it over billing-only products.

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