# Polymail vs Zero Inbox

The clearest difference is monetization model: Zero Inbox at free against Polymail's free with in-app purchases. Zero Inbox also leads on iOS requirement (12.0 vs 16.0). Polymail's advantage is ratings volume (86 vs 3) and rating (3.9 vs 3.7). On price, update cadence, 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.

Polymail holds the better App Store score, 3.9 against 3.7. That said, the two scores are not equally well evidenced: Polymail has 86 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 60% of Polymail's written reviews are positive against 50% of Zero Inbox's.

Polymail ships an update fortnightly, Zero Inbox every 3 weeks. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Polymail | Zero Inbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (86 ratings)](https://appshunter.io/ios/app/polymail-email-inbox/id1082058386/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/zero-inbox/id1457415717/reviews) |
| Number of ratings | **86** | 3 |
| Positive reviews | **59.9% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 27 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polymail, Inc.](https://appshunter.io/developer/1082058385) | [Launch Platform LLC](https://appshunter.io/developer/1586861720) |

## What reviewers say

### Polymail

[App page](https://appshunter.io/ios/app/polymail-email-inbox/id1082058386)

This app acts as an email command center for professionals, offering features like real-time open tracking, scheduled sends, and message snoozing. It helps users manage their inbox efficiently for sales, fundraising, and deal-making.

**Highlights:** Real-time open tracking, Scheduled email sends, Snooze messages, Swipe actions for organization, Contact data and social context, Templates and reminders, Attachment and click tracking

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth and intuitive interface
- 📨 Reliable email tracking and notifications
- 🔒 Secure and private
- 👍 Helpful features like send later and read later
- 💻 Seamless sync between mobile and desktop apps

**What reviewers complain about**

- 🐛 Buggy and unreliable sync between devices
- 🔍 Inconsistent search and email loading issues
- 💰 Expensive paid plans compared to alternatives
- 🔒 Privacy concerns around data collection

**Reported bugs**

- Frequent app crashes and freezes
- Unread email count not syncing properly
- Deleted emails reappearing in inbox
- Issues with email attachments and formatting

**Requested features**

- Customizable email templates
- Advanced email organization tools (e.g. flags, categories)
- Support for more email providers (IMAP, Exchange, etc.)
- Improved mobile app stability and performance


### Zero Inbox

[App page](https://appshunter.io/ios/app/zero-inbox/id1457415717)

This email application streamlines inbox management with customizable multi-action swipe gestures. Effortlessly process emails by assigning multiple tasks to a single swipe, such as archiving, trashing, or sending to a to-do list. Enjoy a fast and intuitive email experience.

**Highlights:** Multi-action swipe gestures, Customizable swipe actions, Fast loading speed, Integration with Todoist, Smart avatar loading, Dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polymail free?

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

### Is Zero Inbox free?

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

### Which has better reviews, Polymail or Zero Inbox?

Polymail is rated higher. Polymail averages 3.9 out of 5 from 86 ratings, while Zero Inbox averages 3.7 from 3 ratings.

### Do Polymail or Zero Inbox have ads?

Neither Polymail nor Zero Inbox shows ads.

### Which is updated more often, Polymail or Zero Inbox?

Polymail ships an update fortnightly, and Zero Inbox every 3 weeks. Most recently, Polymail was updated on October 18, 2026 and Zero Inbox on October 9, 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.*