Comparison

CaseFox vs Zero

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

Head to head
About

CaseFox

Streamline your legal practice with comprehensive case and client management tools. Track time and expenses, generate professional invoices, and manage tasks and calendars efficiently. Securely communicate with clients through a dedicated portal.

Highlights
  • Time and expense tracking
  • Flexible billing options
  • Professional invoice generation
  • Case and client management
  • Task and calendar management
  • Secure client portal
  • App integrations
Features
Read full description

Welcome to the future of legal billing and case management with the CaseFox Legal Mobile App for Lawyers, designed to elevate your legal practice, we offer: Efficient Time & Expense Tracking: Easily track both billable and non-billable hours, ensuring accurate time and expense records for your cases. Flexible Billing Options: Add flat fees and hourly billing rates to your cases, giving you the flexibility to choose the most suitable billing method. Professional Invoice Generation: Generate professional invoices with just a click, offering multiple formats such as LEDES, Word, PDF, and more. Seamless Case and Client Management: Access and manage your cases and clients from anywhere, keeping all important information at your fingertips for effective case management. Task and Calendar Management: Stay organized and never miss a deadline with the ability to create tasks and schedule calendar events within the app, ensuring efficient workflow management. Integrations Apps: Seamlessly integrate with your favorite apps like QuickBooks, PayPal, Office 365, LawPay, etc., to simplify financial processes and to improve overall efficiency. Secure Client Portal: Communicate and collaborate with clients securely through our client portal, allowing them to make payments and facilitating smooth communication. Enhanced User Interface: Enjoy a faster and more user-friendly experience with an updated user interface, designed to improve navigation and provide a visually appealing interface. Mobile Accessibility: Access your law firm's data on the go, allowing you to work from anywhere, whether in the office or while traveling, ensuring you never miss a beat. To sign up for a CaseFox account, please visit app.casefox.com/register

About

Zero

This email client is designed for legal professionals to streamline their workflow and increase billable hours. It offers features like predictive filing, inbox sorting, recipient verification, and automatic time tracking for client communications, all while adhering to strict security standards.

Highlights
  • Predictive message filing
  • Inbox sorting by importance/sender
  • Wrong recipient warnings
  • Automatic time tracking
  • On-device AI processing
  • Strict security standards
Features
Read full description

ZERØ’s email client has been engineered to help lawyers work less and bill more. With ZERØ, lawyers can: · Predictively file messages to their document management system or to their corresponding email folders. · Sort their inboxes by parameters such as importance and sender. · Receive a warning in real-time if they are about to send a message to a potential wrong recipient. · Automatically and contemporaneously capture the time spent interacting with client messages from their mobile devices. And as powerful as ZERØ is, the application takes into account the strictest security standards. Our proprietary AI processes data directly on the device—meaning that no user data is ever sent outside of the device for processing. ZERØ also always remains entirely within your law firm’s security perimeter. Using ZERØ, lawyers can be more productive and generate more revenue.

Screenshots

CaseFox4 screens
Zero4 screens

Verdict

The call

The clearest difference is rating: Zero at 5.0 against CaseFox's 3.3. CaseFox's advantage is review sentiment (36% vs 25%) and iOS requirement (13.0 vs 17.0). On price, ratings volume, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

Zero holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews complicate that: 36% of CaseFox's written reviews are positive against 25% of Zero's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on July 4, 2026 and June 23, 2026 respectively.

Scorecard3 real differences · 7 level
CaseFox versus Zero: the parameters behind the verdict, then further details
ParameterCaseFoxZero
PriceFreeFree
Rating3.3 (3 ratings)5.0 (3 ratings) — better
Positive reviews36.4% of reviews — better25.0% of reviews
Number of ratings33
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better17.0
Further details — not scored
Size51 MB207 MB
Age rating17+17+
DeveloperCaseFox Inc.Aderant North America, Inc.

Customer experience

CaseFox

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews11 reviews
Positive36.4%
Neutral0.0%
Negative63.6%

Zero

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

None

CaseFox

No in-app purchases

None

Zero

No in-app purchases

Questions

Is CaseFox free?
CaseFox is free to download, with no in-app purchases.
Is Zero free?
Zero is free to download, with no in-app purchases.
Which has better reviews, CaseFox or Zero?
Zero is rated higher. CaseFox averages 3.3 out of 5 from 3 ratings, while Zero averages 5.0 from 3 ratings.
Do CaseFox or Zero have ads?
Neither CaseFox nor Zero shows ads.
Which is updated more often, CaseFox or Zero?
CaseFox ships an update monthly, and Zero monthly. Most recently, CaseFox was updated on July 4, 2026 and Zero on June 23, 2026.

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