# Number Book: Al-Kashif — Caller ID & Spam Call Blocker > Caller ID, spam blocking, and SMS filtering with reverse number lookup. (iPhone/iPad app by Prism Lens Limited.) - Source: https://appshunter.io/ios/app/number-book-al-kashif/id1642012193 (this page in markdown: same URL + `.md`) - Developer: [Prism Lens Limited](https://appshunter.io/developer/6780958937) - Category: Utilities - Price: Free with in-app purchases - Rating: 4.20/5 from 359 App Store ratings · 7 written reviews indexed - Age rating: 17+ - Requires: iOS 15.0 · 29 MB - Languages: American English, Arabic - Released: 2022-09-02 - Data updated: 2026-08-27 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/number-book-al-kashif/id1642012193/reviews.md ## What is Number Book? Number Book: Al-Kashif — identify unknown callers, block spam calls, and filter unwanted SMS before they disturb you. Stop wondering who's calling. Number Book: Al-Kashif gives you instant caller ID for unknown numbers in Saudi Arabia, a powerful reverse phone lookup, spam call blocking, and a smart SMS filter — all in one app. FEATURES UNKNOWN CALLER ID Instantly see the name behind incoming numbers you don't recognize. Know who's calling before you answer. REVERSE PHONE LOOKUP Search any phone number to find the owner's name. A fast reverse number lookup built for Saudi numbers. SPAM CALL BLOCKING Automatically block telemarketers, scammers, and nuisance callers so they never disturb you. SMART SMS FILTER Detect and filter spam and unwanted text messages before they clutter your inbox. WHY NUMBER BOOK: AL-KASHIF - Fast and accurate caller identification for Saudi Arabia - Clean, simple interface in Arabic and English - Works in the background so unknown callers are identified automatically SUBSCRIPTION & PRICING Number Book: Al-Kashif is free to download. Unlock the full experience with a premium subscription: - 3-day free trial on the weekly plan - $4.99 per week - $29.99 per year Prices may vary by region. SUBSCRIPTION TERMS Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and turn off auto-renewal in your App Store account settings after purchase. Any unused portion of a free trial period will be forfeited when you purchase a submission. Terms of Use: https://prismlensapps.com/terms Privacy Policy: https://prismlensapps.com/privacy ## Key features - Unknown caller identification - Reverse phone number lookups - SMS filtering - Custom filtering rules - Spam call blocking ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Weekly Membership | $8.99 | per 7 days | | Weekly Membership | $8.99 | per 7 days | | Yearly membership | $29.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime membership | $48.99 | one-time | ## Recent user reviews (7 of 7) All indexed reviews: https://appshunter.io/ios/app/number-book-al-kashif/id1642012193/reviews.md ### 1/5 — Dreck *2026-01-20* Und wieder traumpreise für sone Drecksapp ### 1/5 — Tokhmi *2025-10-03* Tokhmi ### 1/5 — ‏سيئ للغاية *2025-01-07, version 1.2.3* ‏سيئ للغاية ### 1/5 — ITS A SCAM *2024-06-27* Do not download 👎🏾 ### 1/5 — تطبيق وهمي *2023-08-16* التطبيق وهمي تحمله و يقول لك اشترك شغل نصب و حتيال نصيحه لا تعب حالك و تحمله بعدين يبيك تسمح له يدخل الصور مادري هو عشان اعرف الرقم الغريب ولا وش قصته بضبط ### 1/5 — غير صحيح يطلبك اشتراك وتطبيق سيى جدًا *2023-07-11* سيىً جدًا ### 1/5 — not usful *2023-05-16* waste of mony they take mony with no free trail bad app ## Frequently asked questions about Number Book ### What does the Number Book app do? This app helps you identify unknown callers and block spam calls and SMS messages. It utilizes a global number database to flag risky incoming calls and allows you to set up custom filtering rules for both calls and texts to protect you from unwanted communication. ### What are the key features of this app? Key features include identifying unknown callers to avoid disturbances, performing reverse phone number lookups to get information on any number, and filtering SMS messages with support for custom rules and spam classification. You can also block incoming calls. ### How much does the Number Book app cost? The app offers a lifetime purchase option for $48.99. It also provides auto-renewable subscriptions at $8.99 per week or $38.99 per year. Payment is handled through your iTunes account, and subscriptions can be managed in your account settings. ### Is this app compatible with my device? While the description doesn't explicitly state device compatibility, it is designed for mobile devices and available through the iTunes App Store, suggesting compatibility with iOS devices. Users can check specific compatibility details on the app's store page. ### How can this app help me avoid spam? The app identifies spam calls so you don't have to answer them. It also allows you to filter and classify spam SMS messages using various rules, including custom ones you design. This comprehensive approach aims to protect you from both spam calls and texts. ## Version history (last 5 releases) ### 1.4 — 2026-08-05 We've updated Number Book: Al-Kashif to make it even better! • New flexible subscription plans with a free trial • Improved caller ID accuracy and speed • Bug fixes and performance improvements ### 1.3 — 2025-10-21 fix bug. ### 1.2.3 — 2023-09-26 Optimize user experience。 ### 1.2.2 — 2023-08-14 Optimize user experience. ### 1.2.1 — 2023-06-25 Optimize user experience. ## 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 | | [Real Caller : Caller id](https://appshunter.io/ios/app/real-caller-caller-id/id732367255) | 4.1 (3,275) | Free | Utilities | | [CallerSmart: Reverse Lookup](https://appshunter.io/ios/app/callersmart-reverse-lookup/id771926122) | 4.6 (14,937) | Free | Utilities | | [Caller id: True number finder](https://appshunter.io/ios/app/caller-id-true-number-finder/id1670954308) | 4.4 (227) | Free | Utilities | ## More apps by Prism Lens Limited - [Authenticator App '](https://appshunter.io/ios/app/authenticator-app/id1619778327) All apps by Prism Lens Limited: https://appshunter.io/developer/6780958937 ## Related topics [numberbook true caller](https://appshunter.io/ios/topics/numberbook-true-caller) · [saudi numberbook](https://appshunter.io/ios/topics/saudi-numberbook) · [number book](https://appshunter.io/ios/topics/number-book) · [ksa numbers](https://appshunter.io/ios/topics/ksa-numbers) · [namber bax](https://appshunter.io/ios/topics/namber-bax) · [number book saudi](https://appshunter.io/ios/topics/number-book-saudi) · [block calls number](https://appshunter.io/ios/topics/block-calls-number) · [find number caller](https://appshunter.io/ios/topics/find-number-caller) · [find number reverse](https://appshunter.io/ios/topics/find-number-reverse) · [namber](https://appshunter.io/ios/topics/namber) · [namber box](https://appshunter.io/ios/topics/namber-box) · [phone book number](https://appshunter.io/ios/topics/phone-book-number) · [number box](https://appshunter.io/ios/topics/number-box) --- *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 2026-08-27.*