
Are you worried about calls from unknown numbers or suspicious SMS messages? It can be stressful to wonder, “Is this a scam?” or “Is this an important message I shouldn’t ignore?”
To help you with these concerns, Rakuten Mobile offers the “Spam Call & SMS Protection by Whoscall” service. In this article, we will explain the features and pricing of this reliable security tool.

8 Essential Features of Whoscall
Whoscall is more than just a simple blocking app. It protects your smartphone with these 8 powerful features:
- Automatic Spam Call Identification: Identifies potential spam calls in real-time based on a vast database.
- Spam Call Blocking: Automatically blocks identified spam calls and allows you to silence them.
- SMS Filtering: Detects and warns you about phishing or malicious SMS messages.
- Real-time Identification: Displays the caller’s identity even if the number isn’t in your contacts.
- Keyword Filtering: Automatically sorts or hides SMS messages containing specific keywords.
- Number Search: Allows you to search for suspicious numbers on the spot to verify the caller.
- Offline Database: Identifies major spam numbers even when you are offline.
- Personal Block List: Allows you to manually add specific numbers to your block list.
[Important Note Before You Start]
Please note that this service works with the OS-standard phone app. Calls and SMS received via the “Rakuten Link” app are not covered by this service. Even if you primarily use Rakuten Link, this service is a highly effective security measure for your OS-standard phone app.
Pricing
Rakuten Mobile users can enjoy this service with a 2-month free trial! After the trial, it is available for just 330 yen (tax included) per month.
Considering the potential financial loss from falling victim to a scam, thinking of this as a “330-yen monthly insurance premium” makes it an incredibly cost-effective security solution.
Service Details:
- Monthly Fee: First 2 months free, then 330 yen (tax included)
- Main Features: Spam call/SMS identification, auto-blocking, etc. (8 features)
- Supported OS: iOS / Android
Conclusion
Spam call protection is becoming an essential part of modern smartphone usage. Why not take advantage of the 2-month free trial to experience this high-level security for yourself? Protect your privacy and enjoy a more comfortable smartphone experience today.




