Comparison

MailBuzzr for Outlook vs Zero Inbox

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MailBuzzr for Outlook

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
Read full description

MailBuzzr – Smart, Fast & Beautiful Email for Hotmail and Outlook MailBuzzr is a powerful yet simple email app built for speed, convenience, and clarity. Whether you’re using Hotmail, Outlook, or both, manage all your inboxes in one beautifully designed app — fast and frustration-free. Smart Notifications Know who emailed you — and what it’s about — just by the notification sound. Customize alerts based on sender, priority, or message content. Why You’ll Love MailBuzzr • Multiple Accounts – Add all your Hotmail and Outlook accounts. Switch between them with one tap. • Unified Inbox – See all your emails in one place, or view them by account. • Quick Peek – Long-press a message to preview without opening. Speed through your inbox effortlessly. • Smart Tags & Filters – Automatically organize emails by sender, subject, or keywords. • Undo Actions – Accidentally deleted or sent something? Quickly undo it with a tap. • Professional Signatures – Choose a clean and polished email signature that fits your style. • Elegant Interface – Designed for ease of use with smooth performance and intuitive navigation. • Custom Themes – Pick from a variety of color themes to suit your mood or taste. • Built-in File Viewer – View attachments like PDFs, Word, Excel, PowerPoint, and photos — no extra apps needed. More Features You’ll Enjoy • Swipe to delete, archive, reply, and more • Draft minimization for multitasking • Bulk editing and color-coded accounts • Unread/flagged quick filters • Contact import from Outlook and Google • Push notifications with 5 customizable priority levels • Lock the app with passcode or fingerprint • Quiet time mode for peace of mind • Advanced search: by keyword, sender, subject, or content • Attach files from Google Drive, Dropbox, OneDrive, and more • 30+ custom ringtones for notifications Need help or have feedback? Contact us at support@aversys.com

About

Zero Inbox

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
Read full description

Zero Inbox is an email app designed for zeroing your inbox via enjoyable swipe actions. Unlike traditional email's swipe action can only allow one action per swipe, we provide multi-action swipe for each direction, empower you to process your email effortlessly on daily basis. For example, for swiping right, you can choose - Swipe right-down-right to push the email to Todoist - Swipe straight right to archive - Swipe right-up-right to trash We also worked hard to make the app to provide blazing fast loading speed. There are more awesome features to come in the following updates: - Customizable swipe actions - In mail swipe action (like Tinder but for email) - Multi-step swipe (one swipe can do many things like Mark read + Archive + push to Todoist) - Smart avatar (load sender's avatar from known email list or public avatar database) - Dark mode

Screenshots

MailBuzzr for Outlook4 screens
Zero Inbox3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
MailBuzzr for Outlook versus Zero Inbox: the parameters behind the verdict, then further details
ParameterMailBuzzr for OutlookZero Inbox
PriceFreeFree
Rating4.1 (520 ratings) — better3.7 (3 ratings)
Positive reviews65.9% of reviews — better50.0% of reviews
Number of ratings520 — better3
Update frequencyFortnightly — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size43 MB27 MB
Age rating4+4+
DeveloperAverSys MobileLaunch Platform LLC

Customer experience

MailBuzzr for Outlook

All ratings521 ratings
Positive78.7%
Neutral5.6%
Negative15.7%
Written reviews264 reviews
Positive65.9%
Neutral9.5%
Negative24.6%

Zero Inbox

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

MailBuzzr for Outlook

Reported bugs

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

Requested features

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

Zero Inbox

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

MailBuzzr for Outlook

One-time7
  • No Ads$1.99
  • Remove ads$2.99
  • Upgrade to Lite$2.99
Show 4 more
  • Upgrade to Pro$2.99
  • Lite$3.99
  • Upgrade to Pro$3.99
  • Pro$4.99
None

Zero Inbox

No in-app purchases

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.

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