Callcentric SMS vs Usiminas
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Usiminas
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A Extranet Mobile é mais um canal de interação entre Usiminas e seus Clientes.
Screenshots
Verdict
The clearest difference is update cadence: Callcentric SMS at every 3 weeks against Usiminas's every 2 months. Usiminas's advantage is iOS requirement (11.0 vs 16.6). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Callcentric SMS ships an update every 3 weeks, Usiminas every 2 months. The most recent releases landed on November 7, 2026 and October 27, 2026 respectively.
| Parameter | Callcentric SMS | Usiminas |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (208 ratings) — better | — |
| Positive reviews | 72.7% of reviews | — |
| Number of ratings | 208 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 49 MB | 47 MB |
| Age rating | 17+ | 4+ |
| Developer | Callcentric, Inc. | Usinas Siderúrgicas de Minas Gerais S.A. |
In-app purchases
Callcentric SMS
No in-app purchases
Usiminas
No in-app purchases








