Zero vs Sunbath Catalog
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.
Sunbath Catalog
Connect with a global community to buy and sell items. List your own inventory, discover what others have available, and communicate directly with users worldwide. Start your free international market experience.
- Connect with global inventory
- List items for sale
- Explore items from others
- Instant chat with buyers/sellers
- Free worldwide market
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Sunbath Catalog lets you add up to 25 photos to present anything you want. Create and share your own business page with anyone in the world. Ratings and catalog tools keep your page organized, and a share URL makes it easy to share updates. Register, build your page, and connect instantly with guests. Better visual interfaces for your catalog and chat make everything clearer and easier to use. The navigation bar shrinks as you scroll so more of your content stays visible. Stay instantly in sync with push notifications. Download Sunbath now and start your free business page.
Screenshots
Verdict
The clearest difference is rating: Zero at 5.0 against Sunbath Catalog's 4.3. Zero also leads on update cadence (monthly vs every 2 months). Sunbath Catalog's advantage is review sentiment (33% vs 25%). On price, ratings volume, ads and in-app purchases 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.
Zero holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews complicate that: 25% of Zero's written reviews are positive against 33% of Sunbath Catalog's, so the app with the better star average is not the one people write more warmly about.
Zero ships an update monthly, Sunbath Catalog every 2 months. Both last shipped on October 24, 2026.
| Parameter | Zero | Sunbath Catalog |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 4.3 (6 ratings) |
| Positive reviews | 25.0% of reviews | 33.3% of reviews — better |
| Number of ratings | 3 | 6 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 207 MB | 3 MB |
| Age rating | 17+ | 17+ |
| Developer | Aderant Holdings Inc. | Fadi Allaf |
Customer experience
Zero
Sunbath Catalog
In-app purchases
Zero
No in-app purchases
Sunbath Catalog
No in-app purchases
