Number Book: Caller ID & Block
Reverse phone number lookup
Archived App (Last seen on 9 Oct 2025)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Identify unknown callers with reverse phone number lookup. Block unwanted spam calls by managing a personal blacklist. Discover hidden caller information with a user-friendly interface.
What's New in Number Book
1.3.2
April 21, 2025
We're excited to announce the latest update for our mobile app! In this version, we've made some important improvements: - Bug Fixes: We’ve addressed several known issues to enhance the app's stability and performance. - User Experience Optimization: We've fine-tuned various features to provide a smoother and more intuitive experience for our users. Thank you for your continued support! We hope you enjoy the improved app experience.
MoreSubscription plans
Number Looup: Weekly Pro
Unlimited number lookup & block
FAQ
What is Number Book used for?
Number Book is used for reverse phone number lookup to identify unknown callers and for blocking unwanted spam calls by managing a personal blacklist.
How does Number Book identify callers?
You can enter a phone number into the app, and it will instantly retrieve and provide relevant details about the owner associated with that number.
Can Number Book block calls?
Yes, Number Book provides blocking features to protect you from unwanted spam calls. You can create a personal blacklist to manage these numbers.
What devices does Number Book support?
Number Book is supported on iPhone and iPod devices.
What is the age rating for Number Book?
The age rating for Number Book is 17+, indicating mature content may be present.
How often is Number Book updated?
The latest version of Number Book is 1.3.2, and it was last updated on April 21, 2025. This suggests frequent updates.
Does Number Book have ads?
Based on the provided data, Number Book does not have advertisements.
What are the subscription options for Number Book?
Number Book offers subscription plans including a Weekly Pro for $8.99 and a Yearly Pro for $39.99.
