The caller ID and spam blocking app
Hiya's Spam Blocker app blocks scam and spam calls, and displays the caller ID name and call reason on incoming calls, so you know who is calling.

As seen in


Comprehensive
call solutions
Stop wasting time answering unwanted calls, and missing important calls. The Hiya Spam Blocker app for iPhone and Android provides you with:
- Advanced caller ID
- Call screening
- Block scam and spam calls
- Reverse phone number lookup
- Secure & transcribed voicemail
What they say about Hiya Spam Blocker
Upgrade to Spam Blocker premium
Hiya Spam Blocker Premium is a paid service that complements our free Hiya Caller ID & Spam Blocker App — without taking away the core free features that our users have come to love and rely on.
Upgrade today and get access to more features, including Premium Caller ID, Premium Name Lookups, area codes + prefixes to block, and more.


Your privacy is our priority
Our mission is to provide a better phone experience. Protecting you from unwanted calls starts with protecting your personal data. Sharing your contacts with Hiya is optional, and if you choose to, they do not leave your device.
Hiya does not sell users’ information or use it for other marketing purposes. We do not retain or use your data for AI training.

FAQs
Hiya offers a free version with core spam alerts and caller ID, with optional paid features depending on your device and plan availability. You can download the app to see what’s included on your phone.
Hiya identifies unknown callers and flags suspected spam using a global phone intelligence database built from network-level signals and reported call activity. You can block specific numbers—and in some cases categories of calls—to reduce unwanted interruptions.
Yes. Hiya Spam Blocker is available on both iPhone and Android. Feature availability may vary by operating system due to platform-level call blocking and permission requirements.
Not exactly. Hiya powers Samsung Smart Call, a built-in caller ID and spam protection service available on some Samsung devices.Hiya Spam Blocker is a separate app you can download and manage directly, offering more control over call blocking, spam reporting, and caller insights.
Hiya Spam Blocker and Mr. Number are closely related and share the same underlying caller ID and spam intelligence from Hiya.
Hiya Spam Blocker is designed to help users identify and block spam, scam, and unwanted calls, making it easier to decide which calls are worth answering. It focuses on caller ID, spam detection, and call protection.
Mr. Number offers additional call-management capabilities and is often used by people who want more flexibility with outgoing calls, including managing or placing calls using additional phone numbers. This can be useful for users who want greater control over how they make and receive calls.
If your number is being flagged incorrectly, businesses can use Hiya Number Registration with Caller Reputation to register their phone numbers directly with carriers. This free service helps carriers recognize your calls as legitimate and reduces the likelihood of spam or nuisance labeling.
Once registered, you can also view your caller reputation status and request updates if your number is mislabeled. Register your business numbers for free!
