Comparison

Microsoft 365 Admin vs Mail App for Outlook 365

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

Head to head
About

Microsoft 365 Admin

Manage your Microsoft 365 or Office 365 business subscription from your mobile device. Add users, reset passwords, manage devices, and monitor service health. Stay informed with critical notifications and support requests on the go.

Highlights
  • Manage users and groups
  • Reset passwords
  • Manage devices
  • Assign licenses
  • Create support requests
  • Monitor service health
  • Receive critical notifications
Read full description

Manage users, groups, devices, reset passwords & receive critical notifications. The Microsoft 365 Admin App enables you to be productive from anywhere. The app allows you to receive critical notifications, add users, reset passwords, manage devices, create support requests, and more—all while you’re on the go. Who should use this app? People with an admin role to a Microsoft 365 or Office 365 enterprise or business subscription. What can I do with this app? - Add, edit, block, or delete users, reset passwords, assign roles, or manage aliases & devices. - Add groups, edit groups, and add or remove users from groups. - View all available and assigned licenses, assign licenses to users, add or remove licenses, view and download invoices. - Check the status of existing support requests, take actions on them, or create new ones. - Monitor the health of all services and view active incidents in Service Health. - Stay on top of all the upcoming changes and announcements via the Message Center feed. - Get push notifications about important information related to service health, message center, and billing. The app supports dark theme and is available in 39 languages. And if you're someone who is responsible for managing more than one tenant, you can sign-in to multiple tenants and quickly switch between them. We're listening and constantly improving the app based on your feedback. Tell us what you like, what we can do better, and what features you'd like to see in the app. Send your feedback to feedback365@microsoft.com.

About

Mail App for Outlook 365

Manage your office email efficiently with instant search, an intelligent inbox that prioritizes important messages, and quick filing options. This app supports Exchange and IMAP accounts, offering a streamlined experience for professionals.

Highlights
  • Instant email search
  • Intelligent inbox prioritization
  • Quick mail filing
  • Support for Exchange and IMAP
  • Swipe to postpone emails
  • Works with Microsoft 365 and Outlook.com
Read full description

Search with near-instant results and read, send, and file mail fast. The intelligent inbox lets you see the most important emails first, and you can postpone emails with a simple swipe. Outlook for iOS is the best email app for iPhone in an enterprise environment. Our app supports Exchange and IMAP accounts and it works with Microsoft Exchange, Microsoft 365, and Outlook.com. This app lets you find all messages fast (search is speedy and useful), delete the whole bunch in an instant. SUBSCRIPTIONS - You can subscribe to a PRO account - Subscription options are 1-week, 1-month, and one year - Subscription automatically renews for the same price and duration period as the original, "one month", "one-year" package unless auto-renew is turned off at least 24-hours before the end of the current period - Payment will be charged to iTunes Account at confirmation of purchase - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Terms of use: http://eleventhirteen.co/privacy

Screenshots

Microsoft 365 Admin4 screens
Mail App for Outlook 3654 screens

Verdict

The call

The clearest difference is rating: Microsoft 365 Admin at 4.6 against Mail App for Outlook 365's 3.7. Microsoft 365 Admin also leads on in-app purchases (none vs 3) and ads (none vs shown). Mail App for Outlook 365's advantage is update cadence (every 3 days vs every 6 weeks) and iOS requirement (13.0 vs 16.0). On price 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. Mail App for Outlook 365 sells 3 in-app purchases, starting at $4.99 per 7 days. Microsoft 365 Admin asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Microsoft 365 Admin holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Microsoft 365 Admin has 5.8K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 78% of Microsoft 365 Admin's written reviews are positive against 50% of Mail App for Outlook 365's.

UpkeepUpdate frequency

Microsoft 365 Admin ships an update every 6 weeks, Mail App for Outlook 365 every 3 days. Both last shipped on November 13, 2026.

Scorecard8 real differences · 2 level
Microsoft 365 Admin versus Mail App for Outlook 365: the parameters behind the verdict, then further details
ParameterMicrosoft 365 AdminMail App for Outlook 365
PriceFreeFree
Rating4.6 (5.8K ratings) — better3.7 (6 ratings)
Positive reviews77.5% of reviews — better50.0% of reviews
Number of ratings5.8K — better6
Update frequencyEvery 6 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size217 MB16 MB
Age rating4+4+
DeveloperMicrosoft CorporationElevenThirteen LLC

Customer experience

Microsoft 365 Admin

All ratings5,836 ratings
Positive92.4%
Neutral1.8%
Negative5.8%
Written reviews507 reviews
Positive77.5%
Neutral3.0%
Negative19.5%

Mail App for Outlook 365

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Microsoft 365 Admin

Reported bugs

4 issues
  • Blank screen on launch
  • User list disappearing
  • Unreliable login process
  • Notifications not working as expected

Requested features

5 requests
  • Ability to purchase licenses
  • More granular admin controls
  • Improved search and filtering
  • Better integration with other Microsoft apps
  • Dark mode support

Mail App for Outlook 365

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Microsoft 365 Admin

No in-app purchases

3 purchases

Mail App for Outlook 365

Subscriptions3
  • PRO Weekly3 Days trial$4.997 Days
  • PRO Monthly3 Days trial$9.991 Month
  • PRO Yearly$29.991 Year

Questions

Is Microsoft 365 Admin free?
Microsoft 365 Admin is free to download, with no in-app purchases.
Is Mail App for Outlook 365 free?
Mail App for Outlook 365 is free to download, with in-app purchases available.
Which has better reviews, Microsoft 365 Admin or Mail App for Outlook 365?
Microsoft 365 Admin is rated higher. Microsoft 365 Admin averages 4.6 out of 5 from 5.8K ratings, while Mail App for Outlook 365 averages 3.7 from 6 ratings.
Do Microsoft 365 Admin or Mail App for Outlook 365 have ads?
Mail App for Outlook 365 shows ads; Microsoft 365 Admin does not.
Which is updated more often, Microsoft 365 Admin or Mail App for Outlook 365?
Microsoft 365 Admin ships an update every 6 weeks, and Mail App for Outlook 365 every 3 days. Most recently, Microsoft 365 Admin was updated on November 13, 2026 and Mail App for Outlook 365 on November 13, 2026.

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