Zero vs PartnerSelect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Predictive message filing
- Inbox sorting by importance/sender
- Wrong recipient warnings
- Automatic time tracking
- On-device AI processing
- Strict security standards
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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.
PartnerSelect
This app simplifies vendor management for insurance claims litigation. It connects insurance carriers and law firms, streamlining case assignments and improving outcomes by matching the right attorneys to cases. Stay connected to assignments and communicate with other users on the go.
- Claims litigation vendor management
- Secure network for insurance carriers and law firms
- Streamlined case assignments
- Improved case outcomes
- Mobile connectivity for assignments
- Communication with other users
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PartnerSelect was created to simplify claims litigation vendor management. Leveraging a secure network that helps build and strengthen the working relationships between insurance carriers and law firms, PartnerSelect streamlines case assignments and improves outcomes by ensuring that the right attorneys are chosen for each case. With PartnerSelect mobile you can stay connected to your assignments and communicate with other PartnerSelect users, all while on the go!
Screenshots
Verdict
The clearest difference is update cadence: Zero at monthly against PartnerSelect's every 3 months. PartnerSelect's advantage is iOS requirement (12.0 vs 17.0). On price, rating, ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Zero against 5.0 for PartnerSelect. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
Zero ships an update monthly, PartnerSelect every 3 months. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.
| Parameter | Zero | PartnerSelect |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 3 — better | 2 |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 207 MB | 49 MB |
| Age rating | 17+ | 4+ |
| Developer | Aderant Holdings Inc. | Bottomline Technologies |
Customer experience
Zero
PartnerSelect
In-app purchases
Zero
No in-app purchases
PartnerSelect
No in-app purchases
