Top 8 Best Caller ID Apps and Websites to Identify Unknown Numbers (2025)

Have you ever received a call from an unknown number and wondered who it was? 🤔
Luckily, there are several reliable apps and websites that help you identify unknown callers, block spam, and even manage your contacts safely.
Here’s a list of the best Caller ID tools in 2025 that you can try right now.

1. Truecaller

Truecaller is the most popular Caller ID app worldwide. It identifies unknown numbers, blocks spam calls, and shows contact names even if they’re not saved in your phone.
Available for Android and iOS. 📥 Download here

2. Number Book

Number Book allows you to search any phone number globally and discover who’s calling you. It also integrates with WhatsApp and supports social features to connect with friends. 📥 Download here

3. GetContact

GetContact helps identify unknown numbers and shows how other users have saved that number on their phones — a fun and useful feature!
It also includes a spam protection system and caller blocking.📥 Download here

4. Hiya

Hiya is trusted by millions of users and large companies. It provides spam detection, caller identification, and a clean, ad-free experience.
Compatible with Android and iPhone. 📥 Download here

5. Eyecon

Eyecon focuses on visual caller ID. It shows caller photos, names, and social media profiles, giving a more personal calling experience.
It also allows you to sync contact photos automatically. 📥 Download here

6. CallApp

CallApp combines Caller ID, call recording, and analytics. It lets you block unwanted calls, identify spam, and record important conversations. 📥 Download here

7. Whoscall

Whoscall is popular in Asia and the Middle East. It offers offline Caller ID and lets you identify unknown numbers even without an internet connection. 📥 Download here

8. Sync.Me

Sync.Me identifies unknown numbers and syncs your contacts with social media to show photos and names automatically. It also offers spam protection and contact backup. 📥 Download here

Using Caller ID apps is the best way to stay safe and avoid unwanted calls.
If you often receive calls from unknown numbers, one of these tools will make your life easier and keep your phone organized.

🔍  Keywords:

caller id apps, identify unknown numbers, truecaller alternatives, best caller id 2025, phone number lookup apps

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🖋️ Written by the Univereasy Team – Your source for digital safety and smart tools.