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Best Desy Phone Book Apps

239+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated August 2026

If you already know DESY Phone Book, this is the deeper bench. 239+ desy phone book apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Desy Phone Book Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1DESY Phone BookDESY Phone BookFree—NoNoMay 2026
2WhatsApp MessengerWhatsApp MessengerFree4.7★ (18M)YesYesAug 2026
3Easy Phone Book for SeniorsEasy Phone Book for SeniorsFree4.4★ (18)NoYesAug 2026
4CallGeniusCallGeniusFree4.7★ (27)NoYesAug 2026
5Reverse LookupReverse LookupFree4.7★ (153K)YesNoAug 2026
6Reverse Lookup ®Reverse Lookup ®Free4.2★ (1.7K)NoYesAug 2026
7Google VoiceGoogle VoiceFree4.3★ (62K)NoNoAug 2026
8SmartCall: Second phone numberSmartCall: Second phone numberFree1.0★ (4)NoYesAug 2026

Top Picks for Desy Phone Book

WhatsApp Messenger#2

WhatsApp Messenger by WhatsApp Inc.

Simple. Reliable. Private.
Strong Contender
🌐 Social Networking
4.7😊(18M ratings)
FreeAdsIn-App Purchases
#2in Social Networking
WhatsApp Messenger screenshot 1
WhatsApp Messenger screenshot 2
WhatsApp Messenger screenshot 3
WhatsApp Messenger screenshot 4
WhatsApp Messenger screenshot 5

Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.

What We Love

  • 💬 Great communication tool
  • 🌍 Connects people globally
  • 🔒 Secure and private messaging
  • 📱 Versatile features (calls, video, groups)

Room to Improve

  • 🐛 Bugs and glitches (freezing, crashing, notification issues)
  • 🔒 Privacy concerns with data sharing
  • 🙈 Lack of customization and control (status, groups)
Easy Phone Book for Seniors#3

Easy Phone Book for Seniors by Hemant Bhonsle

Big Button Contacts Dialer
Worth Considering
🔧 Utilities
4.4(18 ratings)
FreeIn-App Purchases
Easy Phone Book for Seniors screenshot 1
Easy Phone Book for Seniors screenshot 2
Easy Phone Book for Seniors screenshot 3
Easy Phone Book for Seniors screenshot 4
Easy Phone Book for Seniors screenshot 5
Easy Phone Book for Seniors screenshot 6

This app offers a simplified contact management experience with large, easy-to-read text and buttons. It prioritizes quick access to calling and messaging, with options to pin important contacts and toggle photos for a clutter-free interface. Designed for enhanced usability and privacy, all data stays on your device.

More Desy Phone Book apps to explore

4
CallGenius
CallGenius
CallGenius
Reverse Phone Lookup
Free

Instantly identify unknown callers and retrieve contact details by entering any phone number. Access a global database and utilize an AI assistant for further information. Manage your subscription easily through account settings.

Reverse phone lookupIdentify caller namesRetrieve contact details
🔧 Utilities
(27)
free with in-app purchases
5
Reverse Lookup
Reverse Lookup
Reverse Lookup
Phone number lookup pro.
Free

Identify unknown callers and uncover details about any phone number. This free tool helps you check for spam and find information on cell, landline, and toll-free numbers from the US and Canada.

Find information on phone numbersCheck spam likelinessCopy/paste numbers from call log
🔍 Reference
(153K)
ad-supported
6
Reverse Lookup ®
Reverse Lookup ®
Reverse Lookup ®
Phone lookup, ture caller id
Free

Identify and block unwanted spam calls and messages with a global number database. Detect unknown callers and look up number details anonymously. No registration is required for unlimited queries.

Spam call and message blockingUnknown call detectionNumber information lookup
🔧 Utilities
(1.7K)
free with in-app purchases
7
Google Voice
Google Voice
Google Voice
Smarter voice calling
Free

This app provides a dedicated phone number for calls, texts, and voicemail, syncing across devices for seamless use anywhere. It offers advanced spam filtering, call forwarding, and searchable message history. Voicemails are transcribed for easy reading and can be sent to your email.

Dedicated phone numberCall, text, and voicemailCross-device syncing
📊 Productivity
(62K)
free
8
SmartCall: Second phone number
SmartCall: Second phone number
SmartCall: Second phone number
2nd line for call, SMS & notes
Free

Get a second phone number for calls and texts without needing a new device. Manage business communications with features like call tagging, notes, visual voicemail, and business hours.

Second phone numberSMS messagingCall tagging
🔧 Utilities
(4)
free with in-app purchases
9
Phone Number Lookup-Caller ID
Phone Number Lookup-Caller ID
Phone Number Lookup-Caller ID
Reveal true caller & trap call
Free

Identify unknown callers and block unwanted calls with this powerful tool. It provides detailed information on any phone number worldwide, helping you avoid spam and scams. Manage your contacts, filter junk texts, and keep important information secure.

Global phone number lookupReverse phone lookupContact management
💼 Business
(52)
free with in-app purchases
10
WhoU - Reverse Phone Lookup
WhoU - Reverse Phone Lookup
WhoU - Reverse Phone Lookup
Phone number lookup app
Free

Identify unknown callers and texters by performing a reverse phone number lookup. This app searches public databases to reveal line type, carrier, and area information for any number.

Reverse phone number lookupReveal line type and carrierIdentify scammers and telemarketers
🔧 Utilities
(1)
free with in-app purchases
11
Reverse Phone Lookup ·
Reverse Phone Lookup ·
Reverse Phone Lookup ·
Number book, caller id
Free

Identify unknown callers and block spam or scam calls. This app provides threat levels for unknown numbers, revealing their true name and location. Search a vast database to avoid annoying calls and protect yourself.

Identify unknown callsBlock spam & scam callsThreat level of unknown numbers
🔧 Utilities
(321)
free with in-app purchases
12
Private: Second Phone Number
Private: Second Phone Number
Private: Second Phone Number
2nd Second Number Phone Line
Free
💼 Business
(0)
13
Number Book - نمبر بوك
Number Book - نمبر بوك
Number Book - نمبر بوك
دليل السعودية والخليج
Free

Identify unknown callers, block spam, and manage your contacts with a privacy-focused address book. Access a vast database for reverse phone lookups and public record information to enhance communication security.

Privacy contact managementReverse phone number lookupIdentify spam and scam calls
🔧 Utilities
(43)
free with in-app purchases
14
Text Us : Second Phone Number
Text Us : Second Phone Number
Text Us : Second Phone Number
Second Number,Caller ID Lookup
Free
💼 Business
(0)
15
Number Book: Al-Kashif
Number Book: Al-Kashif
Number Book: Al-Kashif
Caller ID & Spam Call Blocker
Free

Identify unknown callers and block spam calls and SMS with custom filtering rules. Perform reverse phone number lookups to get information on any number. Protect yourself from unwanted communication.

Unknown caller identificationReverse phone number lookupsSMS filtering
🔧 Utilities
(359)
free with in-app purchases
16
2Phone: Second Phone Number
2Phone: Second Phone Number
2Phone: Second Phone Number
Calls & Text On 2Number Line
Free

Easily manage a second phone line for enhanced privacy and communication separation. Obtain a new number without needing an extra device, ideal for professionals, travelers, and online interactions.

Select a second phone numberUnlimited texts and callsGuaranteed privacy
🌐 Social Networking
(1)
free with in-app purchases
17
SmartLine Second Phone Number
SmartLine Second Phone Number
SmartLine Second Phone Number
2nd phone number for business
Free

Get a dedicated second phone number for your business to maintain privacy and professionalism. This app ensures calls are business-related, offers a spam filter, custom voicemail, and voicemail-to-text transcription. Manage your business communications efficiently with organized history and timely notifications.

Dedicated business phone numberProfessional call quality (not VoIP)Spam call filtering
💼 Business
(44K)
subscription
18
Wsecond: Second Phone Number
Wsecond: Second Phone Number
Wsecond: Second Phone Number
New line for receiving SMS
Free

Get a temporary or permanent second phone number to protect your privacy. Use it for app registrations and to avoid spam, keeping your personal number secure.

Receive SMS messagesProtect personal number privacyUse for app registrations
🌐 Social Networking
(98)
free with in-app purchases
19
Number Book : Phone Lookup
Number Book : Phone Lookup
Number Book : Phone Lookup
Caller id who is calling
Free

Identify unknown callers and block unwanted calls from telemarketers, scammers, and spammers. Get real-time caller ID and maintain a personal blacklist for enhanced call protection.

Block robocalls and telemarketersIdentify unknown callersReal-time caller ID
🔧 Utilities
(266)
free with in-app purchases
20
Phone Reveal
Phone Reveal
Phone Reveal
Reverse Phone Number Lookup
Free

Identify unknown callers by performing reverse phone number lookups. Enter a number to find the associated name or location. Supports US/CA numbers and allows users to report spam to improve accuracy.

Reverse phone number lookupIdentify unknown callersSupports cell and land lines
🔧 Utilities
(1.9K)
ad-supported

FAQ about Desy Phone Book

Are there free desy phone book apps for iPhone?
Yes — 20 of the top desy phone book apps we rank are free to download, including DESY Phone Book and WhatsApp Messenger.
DESY Phone Book has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 239+ desy phone book apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.