Callmama

Callmama

Callmama Limited
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About

Discover the Ultimate Connection with Callmama App – Your All-in-One Solution for Unlimited Audio Calling! Experience unbeatable value with our core products: virtual phone numbers from over 60+ countries, seamless international calling, and effortless send/receive SMS messaging – all at the lowest rates on the market, keeping costs minimal while maximizing global reach! Seamlessly compatible with every device, from smartphones and flip phones to landlines, ensuring you're always reachable – no missed opportunities! Elevate your global game with Callmama. Secure virtual numbers in 60+ countries at unbeatable rates. Dive into affordable international calling and SMS that saves big. Stay in control with call forwarding and recording. Plus, easy top-ups and powerful tools make worldwide connections effortless. Download FREE today and transform your world – unlimited!

About

We automatically find the best phone line to connect your call through. We consistently analyze traffic to give you the lowest price possible. With the ingenious Red Box, we give you a unique experience based on your needs and calling behavior. We make international calling simple, reliable, and cheap based on your unique calling behavior. Get started with Rebtel and make cheap international calls with our app. It’s quick and super easy. With Rebtel, you can use any kind of phone to call any kind of phone, anywhere in the world. That’s because we have optimized your international calling by connecting them through local phone lines saving you money and ensuring great calling quality. Because we connect your call through local phone lines, you don’t have to rely on an internet connection or worry about your call dropping. Instead, you’re avoiding crazy international rates while getting the quality of a local call.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Users that want Virtual phone numbers and an unlimited international calling solution

Audience

Individuals seeking a solution to automatically find the best phone line to connect their call through

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$1.99
Starting Virtual Phone Number for Just $1.99/Month, Packed with Essential Services!
Free Version
Free Trial

Pricing

$1 per 30 minutes
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.8 / 5
design 4.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 2.2 / 5
ease 2.2 / 5
features 2.6 / 5
design 2.4 / 5
support 1.4 / 5

Pros & Cons from Real Users

Pros

  • Super low rates for international calls and SMS—much cheaper than traditional carriers or roaming. Getting a virtual number from 60+ countries is fast and simple, activates in minutes. The app is intuitive, with reliable call quality, call recording, forwarding, voicemail, and caller ID all working well. Great for staying connected globally without high fees, perfect for travelers or remote work. Frequent updates and responsive support add to the positive experience.
  • I love how quickly I can get a virtual number from 150+ countries (like USA, UK, India, Canada) activated in minutes – no hassle, instant setup. The mobile app is straightforward for managing multiple numbers, making crystal-clear international calls at super low rates (way cheaper than roaming or carriers, no hidden fees), and handling two-way SMS for OTPs, verifications, promotions, or client updates. Features like call forwarding to any device, secure call recording for important talks, custom voicemail with notifications, spam blocking, and end-to-end encryption make it reliable and private. It's perfect for keeping my personal number safe from spam/data risks while appearing local/professional to clients worldwide. No dropped calls or connectivity issues in my use, and it works seamlessly on phone or laptop over Wi-Fi/data.
  • Intuitive Interface: The app is exceptionally user-friendly, making it easy to navigate through features and manage various subscriptions. Seamless Activation: Installation and activation were quick and hassle-free, which allowed me to start using the service immediately. Exceptional Support: The customer service team is very responsive and helpful, providing clear answers whenever I had questions about my subscriptions.
  • Quick, easy setup with intuitive interface Affordable international calling rates Fast activation of virtual numbers Clear and stable call quality

Cons

  • Occasional minor delays in SMS delivery during peak times. The app is mobile-focused, so desktop/web management feels limited if you prefer a full browser interface.
  • The service is mostly mobile app-focused, so if you prefer a full desktop/web dashboard for heavy management, it feels a bit limited. Pricing starts low (e.g., numbers from ~$1.99/month), but adding several numbers or high-volume international calls/SMS can add up moderately over time. Support is available and helpful, but response times can vary during peak hours for non-urgent issues.
  • Honestly, my experience has been wonderful so far. I haven't encountered any technical glitches or service interruptions that would qualify as a negative.
  • Billing and usage details could be more comprehensive Occasional delays when refreshing usage data

Pros & Cons from Real Users

Pros

  • I discovered Rebtel through the calling service but have since started using it for mobile recharges to my home country, and sending money too. I think pricing is fair, and it helps that they don't charge fees for mobile recharges.
  • We've been using Rebtel since 2009 and have always been reasonably satisfied. Today though I can't access it-hopeless!
  • Worst app, please if you read this, do not use this app, when I used it, they charged me and my own phone provider charged me for long distance call so Rebtel charged me $10 2x in a row and I have Rogers in Canada they also charged me $40 for the long distance call, and that is ridiculous for about 2 minutes and the call quantity was 0 i couldn’t understand anything, I was trying to call my Grandmother in Hungary, so I repeat please do not use this app, it is a scam!!
  • This is the worst international calling app ever. Not one phone call got connected, except one to a toll free number. Nobody cares. The issues i had since the beginning. Wanted to give them another chance, but nothing changed. I wasted money and time. It's charging even no call is connected. Somebody has to close this business down.
  • When I am able to call, the clarity is not bad, it seems that you are safe in terms of fraudulence. Interfere with my local calls when I try to call Canada.

Cons

  • The design is quite dated tbh. The app is a bit confusing, but once you get the hang of it, it's super easy. I also didn't like that if you're abroad, you can only use wifi calling and I learnt the hard way when I made a call using phone lines and got a roaming bill from my telco at the end of the month. While Rebtel does explain it, it's not very clear
  • Today their system won't allow me to add money to renew! Tried various credit cards, several attempts but all fail. They don't have a tel number for Help so I've been in the chat queue for over an hour now. Tried sending an email too but they just keep bouncing it back after adding my last comment each time! What's the point of that!?! I'll look now for an alternative as this is ridiculous and I have an urgent call to make! Now their chat just dropped after 60 mins as their English help service has shut!
  • Wasted my time and money, Rebtel charged me 2x in a row during a free trial time and my own provider charged me long distance charges!!
  • This is the worst international calling app ever. Not one phone call got connected, except one to a toll free number. Nobody cares. The issues i had since the beginning. Wanted to give them another chance, but nothing changed. I wasted money and time. It's charging even no call is connected. Somebody has to close this business down.
  • It is weird when you try to top off your account, it is hit or miss. Really annoying when they keep asking pin every time you try to call a different number. You can't call support because they don't have a number to call. It is super annoying, there are issues most of the time you try to call. I am going to look for other international call services.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Callmama Limited
Founded: 2025
Hong Kong
www.callmama.com

Company Information

Rebtel
Founded: 2007
Sweden
www.rebtel.com/en/

Alternatives

Alternatives

Categories

Categories

Softphone Features

Audio / Video Conferencing
Call Logging
Call Recording
Call Transfer
Caller Identification
Chat / Messaging
Contact Management
Fax Management

Integrations

No info available.

Integrations

No info available.
Claim Callmama and update features and information
Claim Callmama and update features and information
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Claim Rebtel and update features and information