Reverse Lookup - Call ID/Block

Quickly and easily identify and block unknown callers. 100% Free.

Nomadic Ratio · com.esmobile.reverselookupfree

5.0 out of 5 (3 ratings) 1M+ downloads v3.7.13 9 MB Android 6.0+ PEGI 3 · Everyone

Download APK 9 MB All versions

Signature matches the Google Play version Details

Watch the Reverse Lookup - Call ID/Block trailer on YouTube

Reverse Lookup - Call ID/Block screenshot 1

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Reverse Lookup - Call ID/Block screenshot 5

Reverse Lookup - Call ID/Block screenshot 6

At a glance

Latest version: v3.7.13 (223)
Updated: Sep 1, 2026 (1 month ago)
APK size: 9 MB
Requires: Android 6.0+ (API 23)
CPU support: ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 2.0+
Category: Communication (app)
Listed since: Dec 17, 2016 (at least)
Permissions: 18 (6 sensitive)
Website: nomadicratio.com/portfolio/reverse-lookup
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Reverse Lookup - Call ID/Block is an app by Nomadic Ratio in the Communication category, listed since at least December 2016. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 3.2.4, the minimum Android version rose from 2.3 to 6.0. It asks for 18 permissions, 6 of them sensitive, including read contacts, read call log and call phone. It asks for the same permissions as version 3.7.12. The app can read the advertising ID that ad and analytics services use.

What's new in v3.7.13

Minor bug fixes

Description

From the listing uploaded by “appupdater”.

Reverse Lookup helps you easily identify unknown callers, detect spam calls, and block spammers and scammers from calling in the future. Additional Features: ★ Strength in numbers - Comments section allows you to gain insight on calls from other users ★ Easily save as a contact ★ Map the caller's location (when available) ★ Expand the search to popular search engines like Google with one tap ★ And more! 100% free and anonymous, with no login , no subscription, and no in-app purchases required. If you enjoy this app but would prefer it without ads, please check out our paid version - Reverse Lookup Plus. It contains the same functionality, without advertising, for a one-time fee that helps support development of future updates. The choice is yours! Need Help? If you have any trouble, please read the Notes and FAQ sections below and if they don't answer your question, please send us an email so we can help you. We read and respond to every single email we receive, usually within a few hours. Reviews doubling as support requests are difficult to follow up on properly and sometimes we may miss them altogether. Frequently Asked Questions https://www.nomadicratio.com/frequently-asked-questions-reverse-lookup/ Notes • There are NO fees associated with this app whatsoever. • There is no public directory for cellphones, so we cannot get much data on them, sorry. • This app returns *publicly available data as published by phone companies*. • If information returned is outdated, it's because it's outdated in the phone company's directory. • The location being returned is typically the billing address or carrier's office for that number. It is not possible to return GPS data. PERMISSIONS Because we value privacy and respect yours, we'd like you to know what permissions are used for in this app. If you'd like a more detailed explanation, please visit http://nomadicratio.com/word-android-permissions/ •INTERNET - required to reach lookup databases •READ CONTACTS / WRITE CONTACTS - read is used to filter out known numbers from being listed as well as determining which numbers to show a notification for. write is used to create "send to voicemail" contacts •CALL PHONE - for one click calling after a lookup is complete •READ PHONE STATE - used to create notifications when an unknown number calls(if set in preferences) •NETWORK STATE - to ensure you have a data connection when using the app •GET ACCOUNTS - used to attach "send to voicemail" contacts to your primary Google account(required for the setting to work). old method of creating these contacts did not require this permission but that did not work on some devices. •READ CALL LOG - to list your unknown calls on the main screen

Version history

5 versions are listed, going back to v3.2.4. Since v3.7.12 it requires Android 6.0+.

v3.7.13 LATEST Sep 1, 2026 9 MB TRUSTED v3.7.12 May 2, 2026 9.4 MB TRUSTED v3.7.11 Sep 5, 2025 5.1 MB TRUSTED v3.7.3 May 20, 2024 4.9 MB TRUSTED v3.2.4 Apr 23, 2018 3.1 MB TRUSTED

All 5 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 1, 2026.
Certificate issued to “esMobile” This is the certificate of the Google Play version.
Same certificate as the 4 other versions checked

Store checks and file details

Developer signature not checked yet Sep 1, 2026
Validated against Google Play Sep 1, 2026
Signed byCN=Eric Smoger, OU=ericsmoger, O=esMobile, L=Philadelphia, ST=Pennsylvania, C=PA
Signing certificate (SHA-1)E7:3C:0F:54:6A:ED:37:9E:90:FB:A2:F2:94:9D:E4:DD:7E:98:EF:AE
File MD5125519c0d56bda14e7ccb8da5ee5c2bc
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (4 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (18)

Reverse Lookup - Call ID/Block requests 18 permissions, 6 of them sensitive.

Call phone Sensitive android.permission.CALL_PHONE
Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Read call log Sensitive android.permission.READ_CALL_LOG
Read contacts Sensitive android.permission.READ_CONTACTS
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Write contacts Sensitive android.permission.WRITE_CONTACTS
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) com.esmobile.reverselookupfree.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Reverse Lookup - Call ID/Block APK: questions and answers

Is there a version of Reverse Lookup - Call ID/Block for older Android phones?

The current version needs Android 6.0 or later. Version 3.7.11 is the newest listed build that installs on Android 5.0 and later. Get version 3.7.11 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Reverse Lookup - Call ID/Block APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 4 other versions checked. After downloading, check that the file's MD5 is 125519c0d56bda14e7ccb8da5ee5c2bc.