# Zero vs Sunbath Catalog

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.

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.

## The numbers

| Metric | Zero | Sunbath Catalog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zero-email-for-attorneys/id1216474378/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/sunbath-catalog/id1663600709/reviews) |
| Number of ratings | 3 | **6** |
| Positive reviews | 25.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 207 MB | 3 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Aderant Holdings Inc.](https://appshunter.io/developer/896510525) | [Fadi Allaf](https://appshunter.io/developer/1663600711) |

## What reviewers say

### Zero

[App page](https://appshunter.io/ios/app/zero-email-for-attorneys/id1216474378)

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:** macOS Compatibility

**In-app purchases:** none


### Sunbath Catalog

[App page](https://appshunter.io/ios/app/sunbath-catalog/id1663600709)

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.

**Highlights:** Connect with global inventory, List items for sale, Explore items from others, Instant chat with buyers/sellers, Free worldwide market

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zero free?

Zero is free to download, with no in-app purchases.

### Is Sunbath Catalog free?

Sunbath Catalog is free to download, with no in-app purchases.

### Which has better reviews, Zero or Sunbath Catalog?

Zero is rated higher. Zero averages 5.0 out of 5 from 3 ratings, while Sunbath Catalog averages 4.3 from 6 ratings.

### Do Zero or Sunbath Catalog have ads?

Neither Zero nor Sunbath Catalog shows ads.

### Which is updated more often, Zero or Sunbath Catalog?

Zero ships an update monthly, and Sunbath Catalog every 2 months. Most recently, Zero was updated on October 24, 2026 and Sunbath Catalog on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*