# MailBuzzr for Outlook vs Zero Inbox

The clearest difference is in-app purchases: Zero Inbox at none against MailBuzzr for Outlook's 7. Zero Inbox also leads on ads (none vs shown). MailBuzzr for Outlook's advantage is rating (4.1 vs 3.7) and ratings volume (520 vs 3). On price, update cadence and device support there is nothing between them.

Both are free to download. MailBuzzr for Outlook sells 7 one-off in-app purchases. Zero Inbox asks for nothing beyond the download.

MailBuzzr for Outlook holds the better App Store score, 4.1 against 3.7. That said, the two scores are not equally well evidenced: MailBuzzr for Outlook has 520 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 66% of MailBuzzr for Outlook's written reviews are positive against 50% of Zero Inbox's.

MailBuzzr for Outlook ships an update fortnightly, Zero Inbox every 3 weeks. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MailBuzzr for Outlook | Zero Inbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (520 ratings)](https://appshunter.io/ios/app/mailbuzzr-for-outlook/id476346562/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/zero-inbox/id1457415717/reviews) |
| Number of ratings | **520** | 3 |
| Positive reviews | **65.9% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 43 MB | 27 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AverSys Mobile](https://appshunter.io/developer/476346565) | [Launch Platform LLC](https://appshunter.io/developer/1586861720) |

## What reviewers say

### MailBuzzr for Outlook

[App page](https://appshunter.io/ios/app/mailbuzzr-for-outlook/id476346562)

Manage all your Hotmail and Outlook accounts in one fast, beautifully designed app. Get smart notifications, organize emails with tags and filters, and undo actions easily. Enjoy a frustration-free email experience with an elegant interface and custom themes.

**Highlights:** Unified inbox for multiple accounts, Smart notifications with customizable alerts, Quick email preview and undo actions, Automatic email organization with tags and filters, Built-in file viewer for attachments, Customizable themes and signatures

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |
| Remove ads | $2.99 | one-time |
| Upgrade to Lite | $2.99 | one-time |
| Upgrade to Pro | $2.99 | one-time |
| Lite | $3.99 | one-time |
| Upgrade to Pro | $3.99 | one-time |
| Pro | $4.99 | one-time |

**What reviewers like**

- 🚀 Fast and reliable
- 👍 Easy to use
- 🔒 Secure email access
- 💡 Convenient email management
- 👍 Great app design and interface

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🐛 Sync and connectivity issues
- 🐛 Deleted emails reappearing
- 🐛 Attachment and draft handling problems
- 🔋 High battery consumption

**Reported bugs**

- Login issues and password problems
- Notifications not working properly
- Compatibility problems with newer iOS versions
- Slow email loading and refreshing

**Requested features**

- Add more email account support
- Improve email organization and search
- Implement a junk mail folder
- Allow bulk email deletion
- Add customization options


### 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 MailBuzzr for Outlook free?

MailBuzzr for Outlook is free to download, with in-app purchases available.

### Is Zero Inbox free?

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

### Which has better reviews, MailBuzzr for Outlook or Zero Inbox?

MailBuzzr for Outlook is rated higher. MailBuzzr for Outlook averages 4.1 out of 5 from 520 ratings, while Zero Inbox averages 3.7 from 3 ratings.

### Do MailBuzzr for Outlook or Zero Inbox have ads?

MailBuzzr for Outlook shows ads; Zero Inbox does not.

### Which is updated more often, MailBuzzr for Outlook or Zero Inbox?

MailBuzzr for Outlook ships an update fortnightly, and Zero Inbox every 3 weeks. Most recently, MailBuzzr for Outlook was updated on October 17, 2026 and Zero Inbox on October 9, 2026.

---

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