1. Home
  2. ๐Ÿ”ง Utilities
  3. NumberBook
NumberBook: Who Is Calling?

NumberBook: Who Is Calling?

Phone Book &ย Lookup

6 ratings
5 reviews
๐Ÿ”ง Utilities
Free
In-App Purchases

Details

  • Released
  • Updated
  • August 3, 2021
  • July 28, 2025

Developer

Numbo s.r.o.
โœจPromote your app โœจ
NumberBook: Who Is Calling? screenshot #1 for iPhone
NumberBook: Who Is Calling? screenshot #2 for iPhone
NumberBook: Who Is Calling? screenshot #3 for iPhone
NumberBook: Who Is Calling? screenshot #4 for iPhone
NumberBook: Who Is Calling? screenshot #5 for iPhone
NumberBook: Who Is Calling? screenshot #6 for iPhone
NumberBook: Who Is Calling? screenshot #7 for iPhone
๐Ÿงพ$3.99 - $14.99
In-App Purchaseโ†˜๏ธŽ
โญ5
Reviewsโ†˜๏ธŽ
๐Ÿ”„6+ apps
Alternativesโ†˜๏ธŽ
โ“8 answered
FAQโ†˜๏ธŽ
๐Ÿ“ฆw/o updates
Updates frequencyโ†˜๏ธŽ
๐Ÿ–ผ๏ธGet Icon
Iconsโ†˜๏ธŽ

About

Instantly identify unknown callers and protect yourself from scams with a vast global database. Perform reverse phone lookups to discover caller identity, location, and user-reported categories like spam or trustworthy. Block unwanted numbers with a personalized blacklist.

โœ“Unknown call identification
โœ“Reverse phone lookup
โœ“Spam and scam protection
โœ“Company and business identification
โœ“Customizable blacklist
โœ“User-reported number categories
Show original description

What's New in NumberBook

1.5.1

July 28, 2025

Bug fixes and improvements in this release include fixes for stability and performance issues.

Subscription plans

Premium - one month

Full database access for one month.

$3.991 Month
How to cancel NumberBook subscription โ‰๏ธ

User reviews

Most RecentHighest RatedLowest Rated

Sophisticated development but no data

I tried the app and it has zero data
Abdul1990sAbdul1990s

Very bad

Very bad application
Abu.SultanAbu.Sultan

It is not working.

It is all a lie. It never worked. And it says 3 days trial and when I canceled the subscription, it wonโ€™t cancel and did not refunded me the deducted fees for the yearly plan.
Advanture loverAdvanture lover

ู…ู† ุงูˆู„ ู…ุงุชูุชุญ ุงู„ุชุทุจูŠู‚ ูŠุทู„ุจ ู…ู†ูƒ ุงู„ุดุฑุงุก ูˆุจุณุนุฑ ู…ุฑุชูุน

ู…ู† ุงูˆู„ ู…ุงุชูุชุญ ุงู„ุชุทุจูŠู‚ ูŠุทู„ุจ ู…ู†ูƒ ุงู„ุดุฑุงุก ูˆุจุณุนุฑ ู…ุฑุชูุน ุงู„ู…ูุฑูˆุถ ูŠูƒูˆู† ู‡ู†ุงูƒ ูุชุฑุฉ ุชุฌุฑุจู‡ ูˆุงู„ุณุนุฑ ู…ุจุงู„ุบ ููŠู‡
ุงุจูˆูู‡ุฏูขู ู ู ู ุงุจูˆูู‡ุฏูขู ู ู ู 

Great ๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›

Great
ramaramaraaramaramaraa

Developer apps

Numbo: Scam Call ID & Lookup
Numbo: Scam Call ID & Lookup

Spam Shield & Caller Protect

๐Ÿ”ง Utilities

(763)

Free
In-App Purchases
See developer apps

FAQ

What is NumberBook: Who Is Calling?

NumberBook: Who Is Calling is a utility app designed to identify unknown phone numbers, protect users from scams, and provide reverse phone lookup services. It helps users understand who is calling before they answer.

How large is the NumberBook database?

The app boasts a large phone number database with over 52 million analyzed numbers and companies. This database is regularly updated with contributions from users and collaborations with businesses.

Does NumberBook: Who Is Calling collect personal data?

No, NumberBook: Who Is Calling is designed to be secure and does not gather or monitor your personal data. User privacy is a key aspect of its design.

What are the subscription options for NumberBook: Who Is Calling?

The app offers a premium subscription for full access to its features. Options include a monthly subscription for $3.99 and a yearly subscription for $14.99, with a 3-day free trial for the yearly plan.

How does the reverse phone lookup feature work?

With reverse phone lookup, you can search any phone number to find supplemental information. This includes the number's category (spam, suspicious, trustworthy), country, location, and comments from other users.

Can I block unwanted numbers with NumberBook: Who Is Calling?

Yes, the app includes a personalized blacklist feature. You can add unwanted phone numbers to this list, and they will be automatically blocked from reaching you.

What is the age rating for NumberBook: Who Is Calling?

NumberBook: Who Is Calling has an age rating of 4+. This indicates it is suitable for a wide range of users, including children, with minimal content restrictions.

On which devices can I use NumberBook: Who Is Calling?

NumberBook: Who Is Calling is available for iPhone and iPod devices. It is designed to run on Apple's mobile operating systems.