Maaltalk is an application that has undergone testing by TTA to evaluate its call quality. Users can experience different quality levels depending on the type of codec they use. For instance, when employing the Wide-Band codec, the app achieves a Mean Opinion Score (MOS) of 4.26 with a rating of 87, particularly for iOS users of the female voice standard. Meanwhile, when the Narrow-Band codec is in use, it boasts an MOS of 4.38 with a rating of 92, targeted at iOS users of the male voice standard. This indicates that Maaltalk is designed to deliver high-quality audio for its users, fostering effective communication.
The installation process for Maaltalk is straightforward and involves a few simple steps. First, users must install the app on their device. Following that, they need to verify their phone number to certify it within the app. Once these steps are complete, users can begin making calls. Maaltalk allows users to call any phone number in Korea, the United States, and China, providing both VoIP Peer-to-Peer (P2P) and Peer-to-Phone (P2Phone) functionalities that enhance connectivity across various platforms.
One of the key features of Maaltalk is its ability to utilize the best network available. The app automatically chooses between mVoIP and mobile carrier options based on the current network status, ensuring optimal call performance. Users also benefit from the ability to call directly from Naver search results. Additional features that are destined to be announced include real-time image, document sharing, and location information through a whiteboard function, along with smart favorites that recommend call time and place.
As for pricing, Maaltalk offers some attractive options for users. There is an initial offer of two hours of free calls when first accessing services in Korea, China, or the United States. Following this, a monthly unlimited call plan is available for 10,000 won (excluding VAT). Prepaid options can also be added for 5,000 won or 10,000 won. Importantly, users can receive calls globally using 070 numbers. However, users should be mindful of their data usage limits and take advantage of WiFi to avoid charges, noting that approximately 7MB of data is consumed for every 10 minutes of call time. Feedback regarding bugs or improvements can be shared via email, and for inquiries, users can access support through the app's homepage or KakaoTalk.