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 your Outlook, Hotmail, and Live email accounts with this app. It offers a unified inbox, smart sorting of important mail like travel and bills, and tools to unsubscribe from unwanted newsletters. Features include customizable alerts, quick cleanup routines, and privacy controls.

Highlights
  • Unified inbox for multiple accounts
  • Smart sorting of travel, bills, and subscriptions
  • One-tap unsubscribe from newsletters
  • Customizable smart alerts
  • Quick email cleanup routines
  • Attachment and contact management
  • App Lock for privacy
Features
Read full description

Email app for Outlook, Hotmail and Live accounts. Read, sort and clean up your mail on iPhone, iPad and iPhone Duo, with Mail Hub powered by Apple Intelligence. INBOX • Add multiple Microsoft accounts • Unified inbox, or one account at a time • Focused inbox for the mail that matters • Swipe to archive, delete, flag or move • Folders and smart folders • Attachments, contacts and signatures PIN IMPORTANT MAIL Keep an important email at the top of your inbox so it stays in view. Pin it for today, until tomorrow or until a date you choose. Or pin it until you reply or forward, and it unpins itself. MAIL HUB Powered by Apple Intelligence, Mail Hub finds useful mail and sorts it for you on your iPhone or iPad. • Travel: See flights, hotels and trains as trip cards with routes, dates and booking references. Add a trip to Calendar or copy your booking reference. • Packages: Follow each delivery from ordered to shipped, out for delivery and delivered. Copy the order or tracking number. • Bills and receipts: See the amount, merchant and date of every payment. Copy the reference number or share the receipt. • Subscriptions: See every mailing list, how many emails each sender sends per day over the last 30 days, and how many you left unopened. Unsubscribe in one tap. UNSUBSCRIBE TO STOP UNWANTED MAILS AND NEWSLETTERS See how often each sender writes and how much you read. Unsubscribe in one tap. SMART ALERTS Get notified only for mail that matters. Set rules for senders, subjects and attachments. Pause with quiet hours. ROUTINES Save a cleanup task and run it in one tap. Mark as read, flag, archive or move mail. THEMES Pick a light or dark theme, or design your own. SPLIT VIEW See your inbox and a message side by side. PRIVACY Sign in on Microsoft's own page. MailBuzzr never sees your password. Mail Hub and the smart classifier run on your device. App Lock keeps your mail private. MAILBUZZR UNLIMITED Free includes 2 accounts, 5 smart alerts and 5 routines, with ads. Unlimited removes ads and all limits. Choose monthly or yearly. Payment is charged to your Apple Account. Subscriptions renew automatically unless cancelled at least 24 hours before the period ends. Manage or cancel in your Apple Account settings. Mail Hub's smart classifier uses Apple Intelligence, which requires a compatible iPhone or iPad. Terms: https://mailbuzzr.com/terms Privacy: https://mailbuzzr.com/privacy MailBuzzr is not affiliated with or endorsed by Microsoft or Apple. Outlook and Hotmail are trademarks of Microsoft Corporation.

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 9. Zero Inbox also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). MailBuzzr for Outlook's advantage is rating (4.1 vs 3.7) and ratings volume (518 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 9 in-app purchases, starting at $9.99 per month. 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 518 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 November 6, 2026 and November 2, 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 (518 ratings) — better3.7 (3 ratings)
Positive reviews65.7% of reviews — better50.0% of reviews
Number of ratings518 — better3
Update frequencyFortnightly — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size38 MB27 MB
Age rating4+4+
DeveloperAverSys MobileLaunch Platform LLC

Customer experience

MailBuzzr for Outlook

All ratings518 ratings
Positive78.4%
Neutral5.2%
Negative16.4%
Written reviews265 reviews
Positive65.7%
Neutral9.4%
Negative24.9%

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

9 purchases

MailBuzzr for Outlook

Subscriptions2
  • Unlimited - Monthly$9.991 Month
  • Unlimited - Yearly$39.991 Year
One-time7
  • No Ads$1.99
  • Upgrade to Lite$2.99
  • Upgrade to Pro$2.99
Show 4 more
  • Lite$3.99
  • Upgrade to Pro$3.99
  • Remove ads$9.99
  • Pro$12.99
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 518 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 November 6, 2026 and Zero Inbox on November 2, 2026.

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