Comparison

Microsoft 365 Admin vs Ooma Office

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

Ooma Office

This app allows small businesses to make and receive calls using their office phone number from anywhere. It offers features like a virtual receptionist, call transfers, and voicemail management, ensuring a professional image and never missing a client call. It can be used over Wi-Fi, even internationally, to avoid roaming charges.

Highlights
  • Virtual receptionist
  • Extension dialing
  • Call conferencing
  • Music-on-hold
  • Voicemail management
  • Call transfers
  • Wi-Fi calling
Features
Read full description

Make and receive calls from anywhere as if you’re in the office. Ooma Office mobile app is a calling app that works like a hard-wired business phone. Use features like a virtual receptionist, extension dialing, conferencing, and music-on-hold. You can also manage voicemails and transfer calls to other extensions. BE PROFESSIONAL Calls made using the app show your Ooma Office phone number so people will know that you’re calling for work. NEVER MISS A CALL The Ooma Office mobile app can be set up to ring whenever someone dials your Ooma Office number or extension. ACCESS YOUR ACCOUNT Check voicemail and update your account preferences from the app. KEEP CONNECTED ON THE GO Easily transfer calls to another extension, to your work voicemail, or to a coworker’s voicemail. TALK ON WI-FI Make and receive calls when you are connected to Wi-Fi. No cellular service required. This even works when you’re traveling abroad so you can avoid expensive roaming charges. HAVE A QUESTION? We are happy to hear your feedback or help you solve any Ooma Office issues. Email us at mobile-feedback@ooma.com for feedback on the app or call us at 888-711-6662 for customer support. ***** IMPORTANT NOTICES - PLEASE READ ***** Use of the Ooma Office application requires iOS version 11.0 or later and an Ooma Office account. If you do not have an Ooma Office account, you WILL NOT be able to use the application. This app is not compatible with the Ooma Telo or Ooma Hub. Be aware that some mobile network operators prohibit or restrict the use of VoIP (Voice over Internet Protocol) over their network. They may prohibit the use of VoIP over their network or impose additional fees and/or charges when using VoIP over their network. By using Ooma Office over 3G/4G/LTE, you agree to familiarize yourself with and abide by any restrictions your cellular carrier imposes and agree that Ooma will not be held liable for any charges, fees or liability imposed by your carrier for using Ooma Office over their 3G/4G/LTE network.

Screenshots

Microsoft 365 Admin4 screens
Ooma Office4 screens

Verdict

The call

The clearest difference is review sentiment: Microsoft 365 Admin at 78% against Ooma Office's 51%. Ooma Office's advantage is rating (4.9 vs 4.6). On price, ratings volume, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Ooma Office holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 5.8K and 9.5K respectively. Written reviews complicate that: 78% of Microsoft 365 Admin's written reviews are positive against 51% of Ooma Office's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
Microsoft 365 Admin versus Ooma Office: the parameters behind the verdict, then further details
ParameterMicrosoft 365 AdminOoma Office
PriceFreeFree
Rating4.6 (5.8K ratings)4.9 (9.5K ratings) — better
Positive reviews78.3% of reviews — better50.6% of reviews
Number of ratings5.8K9.5K — better
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size217 MB220 MB
Age rating4+4+
DeveloperMicrosoft CorporationOoma Inc.

Customer experience

Microsoft 365 Admin

All ratings5,837 ratings
Positive92.5%
Neutral1.7%
Negative5.8%
Written reviews465 reviews
Positive78.3%
Neutral2.6%
Negative19.1%

Ooma Office

All ratings9,474 ratings
Positive97.7%
Neutral0.6%
Negative1.7%
Written reviews178 reviews
Positive50.6%
Neutral6.2%
Negative43.3%

User reviews

Microsoft 365 Admin

From 5.8K App Store ratings

What we love

  • 💻 Easy to use
  • 🔑 Convenient password resets
  • 🚀 Efficient admin tasks on the go
  • 📱 Helpful for mobile management
  • 🔒 Secure authentication

Room to improve

  • 🐛 Crashes and freezes
  • 🔍 Limited functionality compared to web portal
  • 🔍 Difficult to switch between accounts
  • 🔍 Lack of advanced admin features
  • 🔍 Inconsistent user experience

Ooma Office

From 9.5K App Store ratings

What we love

  • 🚀 Convenient and flexible
  • 📞 Clear call quality
  • 💻 Works well on desktop and mobile
  • 🕰️ Reliable service

Room to improve

  • 🐛 Frequent app crashes and glitches
  • 🔍 Unreliable notifications and missed calls
  • ⏱️ Slow app performance and lags
  • 🤖 Poor customer support

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

Ooma Office

Reported bugs

3 issues
  • Login issues and account verification problems
  • Inconsistent call handling across devices
  • Voicemail and text message delivery failures

Requested features

4 requests
  • Ability to block callers
  • Improved SMS/MMS functionality
  • More customization options
  • Seamless integration between desktop and mobile

In-app purchases

None

Microsoft 365 Admin

No in-app purchases

None

Ooma Office

No in-app purchases

Questions

Is Microsoft 365 Admin free?
Microsoft 365 Admin is free to download, with no in-app purchases.
Is Ooma Office free?
Ooma Office is free to download, with no in-app purchases.
Which has better reviews, Microsoft 365 Admin or Ooma Office?
Ooma Office is rated higher. Microsoft 365 Admin averages 4.6 out of 5 from 5.8K ratings, while Ooma Office averages 4.9 from 9.5K ratings.
Do Microsoft 365 Admin or Ooma Office have ads?
Neither Microsoft 365 Admin nor Ooma Office shows ads.
Which is updated more often, Microsoft 365 Admin or Ooma Office?
Microsoft 365 Admin ships an update every 6 weeks, and Ooma Office every 6 weeks. Most recently, Microsoft 365 Admin was updated on October 15, 2026 and Ooma Office on October 14, 2026.

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