Ooma Office vs Flagman GO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Virtual receptionist
- Extension dialing
- Call conferencing
- Music-on-hold
- Voicemail management
- Call transfers
- Wi-Fi calling
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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.
Flagman GO
This app provides a unified communications solution for teams, enabling seamless collaboration through video calls, group chats, and file sharing. It facilitates remote work by allowing external calls with corporate identity and offers secure, encrypted communication even with unstable internet.
- Unified Communications (UC) solution
- Video calls, audio conferences, group chats
- File sharing
- External calls with corporate identity
- Communication history by contact
- Encrypted calls and data
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Utilizing Flagman GO mobile apps enables you and your team to maintain connectivity and enhance productivity while on the move, ensuring your extension is accessible wherever you go. Please note that a subscription to the Flagman service is required to use this app. Key Features of Flagman GO for Your Team: Comprehensive Unified Communications (UC) Solution Compatible with Flagman Accounts - Collaborate seamlessly with your team, regardless of your location. - Conduct video calls, arrange audio conferences and group chats, establish public channels, share files, and more. Effortlessly and Securely Facilitate Remote Work for Your Employees. - Place external calls using corporate identity/phone numbers, receiving calls through your office extension. - Monitor business communications through detailed customer profiles and a communication history categorized by each contact. Improved Connectivity and Call Quality, Even in Unstable Internet Conditions - Stay connected anywhere with push notifications, ensuring excellent customer service. - Flagman GO optimizes connectivity and voice quality by implementing top-notch audio codecs. Ensures Security for Your Conversations and Data - Flagman GO apps automatically encrypt calls, messages, and data using the most robust block ciphers available.
Screenshots
Verdict
The clearest difference is rating: Ooma Office at 4.9 against Flagman GO's 4.0. Ooma Office also leads on monetization model (free vs subscription) and ratings volume (8.9K vs 4). Flagman GO's advantage is iOS requirement (11.0 vs 17.0). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ooma Office holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Ooma Office has 8.9K ratings behind it against 4, so its average is the more settled of the two.
Ooma Office ships an update every 5 weeks, Flagman GO every 2 months. The most recent releases landed on September 23, 2026 and July 20, 2026 respectively.
| Parameter | Ooma Office | Flagman GO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (8.9K ratings) — better | 4.0 (4 ratings) |
| Positive reviews | 50.6% of reviews | — |
| Number of ratings | 8.9K — better | 4 |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 220 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Ooma Inc. | Flagman Telecom, Inc |
Customer experience
Ooma Office
Flagman GO
Bugs and requests
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
Flagman GO
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ooma Office
No in-app purchases
Flagman GO
No in-app purchases
Questions
Is Ooma Office free?
Is Flagman GO free?
Which has better reviews, Ooma Office or Flagman GO?
Do Ooma Office or Flagman GO have ads?
Which is updated more often, Ooma Office or Flagman GO?
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