# Number Book - Spam & Block

> Unknown caller ID and spam blocker with global phone number database. (iPhone/iPad app by Mastewal Manayew.)

- Source: https://appshunter.io/ios/app/number-book-spam-and-block/id1505960988 (this page in markdown: same URL + `.md`)
- Developer: [Mastewal Manayew](https://appshunter.io/developer/1181811026)
- Category: Utilities, Business
- Price: Free with in-app purchases
- Rating: 3.80/5 from 467 App Store ratings · 83 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 20 MB
- Languages: American English, Arabic, French (France)
- Released: 2022-01-17
- Data updated: 2026-08-29
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/number-book-spam-and-block/id1505960988/reviews.md

## What is Number Book?

Number Book the world’s leading unknown caller ID and spam blocker. It identify and block spam calls or SMS and search for unknown numbers.

Number Book is powered by a database of ONE BILLION phone numbers from over 100 million users.

This application aims to offer the most accurate Name that is not easily accessible on cell phones through other mediums. It also respects your right to privacy. Your phonebook is never made searchable or public.

Key Features:

▪  Global coverage - Always know who’s calling. Number Book identify the name of the caller!  You can search over ONE BILLION phone numbers worldwide.

▪  Block unwanted callers and SMS (Enable Spam Identification and Blocking from Settings-> Phone-> Call Blocking & Identification). Number Book protects you from telemarketers, scammers, robocalls or any other fraud callers.

▪  Accurate - Frequently validated information

▪  Intuitive - User-friendly, clean design

▪  Premium - Upgrade and get access to:
- Unlimited requests
- Remove all ads
- Auto-renewing subscription ($1.99 monthly / $3.99 for 3 months / $5.99 for 6 months /  $9.99 yearly- price varies by country)

The payment will be charged to iTunes Account at confirmation of purchase.
The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.
The account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal.
The subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.
No cancellation of the current subscription is allowed during active subscription period.


Terms of service: https://iosnewapi.numberbooksocial.com/docs/terms.html
Privacy Policy: https://iosnewapi.numberbooksocial.com/docs/privacy-policy.html


NumberBook app is constantly improving with new useful features. Download it today for free!

## Key features

- Unknown caller ID
- Spam call and SMS blocking
- Global phone number search
- Accurate caller identification
- User-friendly design
- Premium subscription for unlimited use

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 1 Month Subscription | $1.99 | per month |
| 3 Months Subscription | $3.99 | per 3 months |
| 6 Months Subscription | $5.99 | per 6 months |
| 1 Year Subscription | $9.99 | per year |
| 1 Month WhatsApp Subscription | $2.99 | per month |


## What do users think of Number Book?

Overall sentiment: negative

**Pros**

- 👍 Useful app
- 🚀 Fast and efficient
- 💡 Great features

**Cons**

- 🐛 Crashes and bugs
- 🔋 Slow performance
- 🔒 Security and login issues

**Commonly reported bugs**

- App crashes on iOS 26
- Login and registration issues
- Compatibility problems with newer iOS versions

**Most requested features**

- Update for iOS 16 compatibility
- Improve user interface and experience
- Enhance search and lookup functionality

## Recent user reviews (10 of 83)

All indexed reviews: https://appshunter.io/ios/app/number-book-spam-and-block/id1505960988/reviews.md

### 5/5 — Not working

*2026-05-14, version 1.7.5*

Doesn’t work freez at start page

### 1/5 — برنامج فاشل

*2026-03-25, version 1.7.5*

كان البرنامج ممتاز واصبح فاشلا حيث لايصلنارمز التحقيق

### 5/5 — ممتاز

*2026-01-17, version 1.7.4*

التطبيق لا يعمل علي آيفون ولا أستطيع تسجيل الدخول

### 1/5 — I paid subscription but app not working on ios 26

*2026-01-02, version 1.7.2*

Bad experience

### 1/5 — Crash And Close App ios 26

*2025-12-16, version 1.7.2*

Application not compatible ios26

### 1/5 — Scam خدعة

*2025-11-13, version 1.7.2*

التطبيق هكر

### 4/5 — update

*2025-11-03, version 1.7.2*

please update for ios 26

### 1/5 — prablem

*2025-10-04, version 1.7.2*

Hello, the program has a problem and after the installation is complete, when we run the program, it closes and does not allow execution.

### 5/5 — Crushing

*2025-09-27, version 1.7.2*

Its crushing on os 26

### 1/5 — App crashes on iOS 26 – urgent update needed

*2025-09-21, version 1.7.2*

the Numberbok app is not working properly on iOS 26. The application crashes immediately upon launch, making it completely unusable.



Could you please release an update to ensure compatibility with iOS 26 as soon as possible?

## Frequently asked questions about Number Book

### What does Number Book do?

Number Book acts as a leading unknown caller ID and spam blocker. It helps you identify and block spam calls or SMS messages and allows you to search for unknown numbers. The app is powered by a large database of phone numbers to provide accurate caller information.

### How does the spam blocking feature work?

You can enable spam identification and blocking through your phone's settings. The app then protects you from telemarketers, scammers, robocalls, and other fraudulent callers by identifying and blocking their calls and SMS messages.

### Is Number Book free to use?

The app is free to download and use, offering basic caller identification and spam blocking features. For an enhanced experience, there is a premium subscription available which removes ads, provides unlimited requests, and offers auto-renewal options.

### What are the premium subscription options?

The premium subscription offers unlimited requests and removes all ads. Pricing varies by country but includes monthly, 3-month, 6-month, and yearly options, with the cheapest being $1.99 monthly and $9.99 yearly.

### Can I search for any phone number?

The app allows you to search over one billion phone numbers worldwide, providing global coverage. This feature helps you identify the name of the caller for most numbers.

## Version history (last 5 releases)

### 1.7.5 — 2026-01-22

Bug fixes and performance improvements

### 1.7.4 — 2026-01-15

Bug fixes and performance improvements

### 1.7.3 — 2026-01-13

New design

Bug fixes and performance improvements

### 1.7.2 — 2023-07-11

bug fixes

### 1.7.1 — 2022-06-10

bug fix

## Apps similar to Number Book

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Truecaller: Premium Caller ID](https://appshunter.io/ios/app/truecaller-premium-caller-id/id448142450) | 4.4 (251,770) | Free | Utilities |
| [Number Finder Caller ID :True](https://appshunter.io/ios/app/number-finder-caller-id-true/id1324048797) | 4.7 (69,716) | Free | Utilities |
| [Mr. Number Lookup & Call Block](https://appshunter.io/ios/app/mr-number-lookup-and-call-block/id1047334922) | 4.6 (99,908) | Free | Utilities |
| [Number Book: Al-Kashif](https://appshunter.io/ios/app/number-book-al-kashif/id1642012193) | 4.2 (359) | Free | Utilities |
| [CallerSmart: Reverse Lookup](https://appshunter.io/ios/app/callersmart-reverse-lookup/id771926122) | 4.6 (14,937) | Free | Utilities |
| [Real Caller : Caller id](https://appshunter.io/ios/app/real-caller-caller-id/id732367255) | 4.1 (3,275) | Free | Utilities |

## More apps by Mastewal Manayew

- [Marhaba Chat](https://appshunter.io/ios/app/marhaba-chat/id1181811027)
- [IQ Test !!](https://appshunter.io/ios/app/iq-test/id1181824548)
- [Quiz Football !!](https://appshunter.io/ios/app/quiz-football/id1181825242)
- [QMK for Myriam Klink](https://appshunter.io/ios/app/qmk-for-myriam-klink/id1183345693)

All apps by Mastewal Manayew: https://appshunter.io/developer/1181811026

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*