Comparison

CosmoLex vs Rocket Matter NextGen

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CosmoLex

This cloud-based legal practice management software provides a comprehensive suite of tools for law offices. It offers case management, timekeeping, billing, bookkeeping, and client communication features, all accessible from any device.

Highlights
  • Case information management
  • Timekeeping and billing
  • Business and trust accounting
  • Calendar and task management
  • Document management
  • Secure client portal
  • Email integration
Features
Read full description

CosmoLex – Cloud Based Legal Practice Management Software YOUR ENTIRE LAW OFFICE ACCESSIBLE FROM ANYWHERE AT ANYTIME You are constantly on the go...and CosmoLex goes with you. CosmoLex puts everything you need at your fingertips – case information, calendar, emails, tasks, timekeeping, billing, bookkeeping, trust accounting, and more. CosmoLex cloud based practice management software brings the resources of your entire office with you to the courthouse, to client meetings, on an airplane, at a coffee shop, and to your home. It’s amazing how much out-of-the-office “downtime” suddenly becomes productive – all thanks to CosmoLex. ALL THE TOOLS YOU NEED – FOR ONE PRICE – IN ONE LOGIN CosmoLex is built for one purpose only – to simplify legal practice management and it’s now even easier with our redesigned mobile app. CosmoLex law office management software takes care of Timekeeping, Business Accounting, Trust (IOLTA) Accounting, Email, Calendar & Task, Document Management, and provides a Secure Client Portal – all in one cloud based system that is accessible from anywhere. Whether you’re a solo attorney or small law firm, CosmoLex helps you run an efficient and compliant practice. AUTOMATED LEGAL BILLING SOFTWARE CosmoLex captures all time and every expense in the moment – nothing slips through the cracks. Your bills go out on time with a single click, and you reap the rewards of better cash flow – higher profits. SMART LEGAL CALENDAR & TASK MANAGER You might wonder what could make CosmoLex legal calendar software for law firms any better than one of the free third-party calendars. The answer is simple — Legal Calendar Software by CosmoLex can leverage its tight integration with the legal practice management & billing system to give you a smart calendar & task manager — that does a lot more than you’re used to. STREAMLINE CLIENT COMMUNICATION Most client disputes occur when clients claim that they were not informed about critical matter aspects — especially if you can’t document when, how and who at your firm addressed these disputed details with your client. The CosmoLex Client Portal puts an end to such disputes, by keeping your clients in the loop like never before, giving them access (that you control) to any or all case information. There is no cost to you or your clients, and you can revoke access to any item or the entire portal at any time. LAW OFFICE ACCOUNTING CosmoLex has built-in accounting - right alongside practice management and billing where it belongs. You can handle all of your business accounting and trust (IOLTA) accounting within CosmoLex, eliminating any need for third-party accounting software (such as QuickBooks™). Built-in accounting with automatic bank data feed not only saves time; it eliminates the common sources of error that come with keeping your books on a separate system. AND MUCH MORE! Note: CosmoLex user account is required.

About

Rocket Matter NextGen

Features
Read full description

Introducing the Rocket Matter NextGen app! Trusted by thousands of firms worldwide, Rocket Matter makes the lives of lawyers a whole lot easier. YOUR ENTIRE LAW OFFICE ACCESSIBLE FROM ANYWHERE AT ANYTIME You are constantly on the go...and the Rocket Matter App goes with you. This app puts everything you need at your fingertips – case information, calendar, emails, tasks, timekeeping, billing, trust balances, and more. Rocket Matter cloud based practice management software brings the resources of your entire office with you to the courthouse, to client meetings, on an airplane, at a coffee shop, and to your home. Key Features: - Use Touch ID setup for easy login. - Add, edit, and view contacts, matters, calendar events, and tasks, anytime from anywhere ensuring important deadlines and appointments are not missed - Preview matter documents & invoices - Initiate calls and emails directly from your contacts. - Use timers and convenient billing functionality to make sure you never lose billable time or expenses associated with work you do between meetings, on the way to the office, or on the spur of the moment. - Push notifications for tasks, and calendar events Note: Rocket Matter user account is required.

Screenshots

CosmoLex4 screens
Rocket Matter NextGen4 screens

Verdict

The call

The clearest difference is update cadence: CosmoLex at every 3 months against Rocket Matter NextGen's every 8 months. Rocket Matter NextGen's advantage is iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CosmoLex ships an update every 3 months, Rocket Matter NextGen every 8 months. The most recent releases landed on September 13, 2026 and December 12, 2025 respectively.

Scorecard2 real differences · 8 level
CosmoLex versus Rocket Matter NextGen: the parameters behind the verdict, then further details
ParameterCosmoLexRocket Matter NextGen
PriceFreeFree
Rating2.8 (13 ratings) — better—
Positive reviews12.5% of reviews—
Number of ratings13 — better—
Update frequencyEvery 3 months — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.014.0 — better
Further details — not scored
Size12 MB12 MB
Age rating4+4+
DeveloperCosmolex LLCRocket Matter, LLC

In-app purchases

None

CosmoLex

No in-app purchases

None

Rocket Matter NextGen

No in-app purchases

Questions

Is CosmoLex free?
CosmoLex is free to download, with no in-app purchases.
Is Rocket Matter NextGen free?
Rocket Matter NextGen is free to download, with no in-app purchases.
Do CosmoLex or Rocket Matter NextGen have ads?
Neither CosmoLex nor Rocket Matter NextGen shows ads.
Which is updated more often, CosmoLex or Rocket Matter NextGen?
CosmoLex ships an update every 3 months, and Rocket Matter NextGen every 8 months. Most recently, CosmoLex was updated on September 13, 2026 and Rocket Matter NextGen on December 12, 2025.

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