Comparison

Callcentric SMS vs Mobex SMS

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

Head to head
About

Callcentric SMS

Send and receive SMS messages using your Callcentric phone numbers. This app offers real-time messaging, contact list integration, and dark mode support. It requires an active Callcentric account and an SMS Access Plan.

Highlights
  • Real-time SMS messaging
  • Dark Mode support
  • Contact list integration
  • Multiple number support
  • Manage SMS functionality per number
  • Multi-account support
  • Customizable default SMS number
Features
Read full description

The completely new Callcentric SMS app has been re-designed to provide the best SMS experience with your Callcentric account. SMS is supported on ALL of our US and Canada Numbers! Getting started is easy, all you need to do is activate one of our SMS Access Plans on your Callcentric account and install this app on your iOS device. That's it! REQUIRED TO USE THIS APP • An active Callcentric VoIP service account • Callcentric SMS Access Plan & US/Canada phone number NOT CURRENTLY SUPPORTED • MMS Messaging (group messages, attachments, etc) • SMS Messaging with International numbers (outside of US/Canada) FEATURES & HIGHLIGHTS • SMS Messaging in real-time • Dark Mode support for easier viewing • Option to use the Contact List in your device • Support for messaging with multiple numbers via a single interface • Enable/Disable SMS functionality on any of your US, Canada, or toll-free numbers • Store the username and settings for multiple accounts for fast switching between logins • Show your SMS number (the number you are sending from) in the conversation list - useful when you use multiple SMS numbers. Enable in settings • Set a default SMS number to use for sending messages or manually choose the SMS number you want to use on a per message basis. Enable in settings Access to Contacts (optional): Used to let you select a contact to send an SMS to, and properly show name information on messages received with an entry in your iPhone/iPad contacts. Your Contact list will NEVER to be uploaded to Callcentric. Data is used locally within the app. We do not have access to your Contacts outside of the app. Notifications (optional): We use push notifications to notify you of incoming SMS messages in real-time when the app is in the background. WARNING: if you do not enable notifications you will not receive notice of new incoming SMS messages until the next time you open the app.

About

Mobex SMS

Send and receive SMS messages on iOS devices using a virtual number that syncs with your desktop application. Integrate with Microsoft 365 for secure, single sign-on access and text contacts from Outlook or your employee directory. Archive messages for compliance.

Highlights
  • Send/receive SMS on iOS
  • Virtual number support
  • Microsoft 365 integration
  • Text Outlook/Employee Directory contacts
  • Synchronized desktop app
  • Secure message storage
  • Automatic message archiving
Features
Read full description

Send/receive SMS messages on your iOS mobile devices, using the same Mobex SMS virtual number you text with on your Microsoft 365 desktop. Start a conversation on, say,  your Microsoft Teams desktop, and keep it going when you’re on the move. Text using a virtual number in your own local area or country code, or simply use your existing business number to text and call. Mobex SMS is fully integrated with Microsoft 365 so you can enjoy single sign-on security via Microsoft authentication and send messages to your contacts stored in Outlook, your employee directory or mobile phone. As new texts arrive, Mobex SMS will alert you on all your mobile devices and desktop applications, and because it stores every text message securely in Microsoft Azure, you can archive them as email to stay fully compliant.   • Easy to use  • Virtual number  • Text Outlook and Employee Directory Contacts  • Synchronized with Desktop App  • Live message status notifications  • Secure Access & Message Storage  • Automatic Message Archive  • No SIM card required

Screenshots

Callcentric SMS4 screens
Mobex SMS4 screens

Verdict

The call

The clearest difference is ratings volume: Callcentric SMS at 202 against Mobex SMS's 1. Mobex SMS's advantage is rating (5.0 vs 4.7). 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

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

Mobex SMS holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Callcentric SMS has 202 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Callcentric SMS ships an update every 3 weeks, Mobex SMS every 6 weeks. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Callcentric SMS versus Mobex SMS: the parameters behind the verdict, then further details
ParameterCallcentric SMSMobex SMS
PriceFreeFree
Rating4.7 (202 ratings)5.0 (1 ratings) — better
Positive reviews72.7% of reviews—
Number of ratings202 — better1
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.1 — better
Further details — not scored
Size49 MB45 MB
Age rating17+4+
DeveloperCallcentric, Inc.Mobex, Incorporated

Customer experience

Callcentric SMS

All ratings202 ratings
Positive92.6%
Neutral4.5%
Negative3.0%
Written reviews11 reviews
Positive72.7%
Neutral18.2%
Negative9.1%

Mobex SMS

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Callcentric SMS

No in-app purchases

None

Mobex SMS

No in-app purchases

Questions

Is Callcentric SMS free?
Callcentric SMS is free to download, with no in-app purchases.
Is Mobex SMS free?
Mobex SMS is free to download, with no in-app purchases.
Which has better reviews, Callcentric SMS or Mobex SMS?
Mobex SMS is rated higher. Callcentric SMS averages 4.7 out of 5 from 202 ratings, while Mobex SMS averages 5.0 from 1 ratings.
Do Callcentric SMS or Mobex SMS have ads?
Neither Callcentric SMS nor Mobex SMS shows ads.
Which is updated more often, Callcentric SMS or Mobex SMS?
Callcentric SMS ships an update every 3 weeks, and Mobex SMS every 6 weeks. Most recently, Callcentric SMS was updated on October 14, 2026 and Mobex SMS on October 6, 2026.

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