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Trackers? All Reviews


Prank Call App

#18 Entertainment

iOS Review


This app had the highest number of trackers we found so far, and their privacy policy admits that they can give your data to third-party marketing companies and that those companies can contact you.

PrankDial's Privacy Rating is F. We found 13 different third-party trackers in the PrankDial app, and there were 191 attempted tracking connections detected during our test.

Testing Results

Blocked tracking attempts.

How was tracker testing done?

Tested using Lockdown v0.3.9

What was done during the test?

191 attempts in a few minutes of setting up phone number account, and making one call to our own number.

How many tracking attempts each time the app is opened?

126 - this is the highest tracking attempts we've seen on a single app open so far.

Did user give consent to tracking before tracking started?


Personal Data Collected
📞 Phone Number
✉️ Email Address
❗️ Notification
🎤 Microphone
Trackers Found


Global Ad Platform

Your Advertising ID, an additional unique identifier of available solely from within the app of the app developer which cannot be used to identify you on other apps, IP address, information about your browser settings. The term Advertising ID refers to the Google Advertising ID on Android devices, and ID For Advertising (“IDFA”) or ID For Vendor (“IDFV”) on iOS devices. The Advertising ID is a resettable persistent identifier generated by Android or iOS that allows online advertising companies to recognize your device across non-affiliated apps, for purposes such as frequency capping, attribution, fraud detection, personalized advertising, and whitelisting. You can find additional information about how to limit our use of your Advertising ID under “How to Control Your Information”, Your advertising ID, IP address, a unique identifier of your device available solely with respect to the advertiser, information about your browser settings.



Mobile Advertising

Device identifiers, The publisher’s user identifier, Information about the device itself, including, Whether it is a smartphone or tablet, What operating system and version it uses (example: iOS, version 11.0), Whether the device’s “opt-out” options related to advertising have been enabled, Model and manufacturer (example: Apple iPhone X, Samsung Galaxy S8), Screen size, screen density, and other information relevant to ad formatting and display, Information about the internet connection used to access our services, including, Mobile carrier, Network provider, Whether the network type is wifi or cellular, IP address, Timestamp and duration (when the device connected to our services and how long the connection lasted, for a given session), Information about the app used to access our services and your use of it, and about our SDK, including, Which version of the app is being used ,and which version of our SDK is integrated in the app, API key (identifier for application), How frequently and for how long you use the app, and, at the publisher’s option, information about what level of the game you’re on and your in-app purchases, If the publisher uses mediation to connect with ad networks, it may opt to send or enable collection of parameters related to mediation services, Signals relating to eligibility for behavioral advertising, Location-related information - We do not request or receive precise (sometimes referred to as “lat-long”) geolocation data; we infer the perceived general location of the device based on:, The IP address used to access our services, Location-related device settings, such as the device’s country code, language setting, and time zone, Information relating to campaign content - We collect information about the campaign content you view, such as:, What the campaign content is about, What type of campaign content it is (example: video), The reward offered in exchange for your engagement with the campaign content, Which placement is involved (meaning, where and how the campaign content is displayed in the mobile app where you accessed it), Whether you respond to the campaign content’s “call to action” - for example, did you click through to the advertiser’s website? – or complete its requirements (examples: watching a 30-second video; making a purchase), Market research information, Responses to market research surveys accessed through our platform are voluntary and opt-in. Responses voluntarily provided by you may include, Demographic information (such as age, household income, gender, highest education completed, household composition), General location (such as postal code, or city and state), Other information you voluntarily provide, which may include product preferences and opinions, employment status, marital status, veteran status, health information, race or ethnic origin, political opinions, membership information, sexual orientation, religious beliefs - in each case, subject to applicable law.



In-App Advertising

When an ad is served through our Online Services, we and others may collect the following from end users’ devices: bundle ID, language ID, operating system version, device model, software developer kit (SDK) version, unique device identifier, IP address, and Media Access Control (MAC) address. In addition, when an end user accesses a video ad, we and others may collect additional stats about videos and video playback such as: start/boot-up information, amount played/session length information, memory on device used for our video cache, videos cached on a device and complete view event. We identify an end user’s device using Chartboost’s internal device ID, which is linked to an end user’s Apple IDFA, Google Advertising ID (GAID), or Android ID, as applicable



Mobile Marketing Platform

Privacy Policy: Device make, model and operating system; Device properties related to screen size & orientation, audio volume and battery, device memory usage; Carrier; Operating system; Name and properties of mobile application through which a consumer interacts with the Services; Country, time zone and locale settings (country and preferred language); Network connection type and speed; IP Address; Internet browser user-agent used to access the Services; and Identifier for advertisers (IDFA).

Google Analytics



Measure Advertising ROI

Privacy Policy: Owned by Google, so same as Google's Privacy Policy. Personal information, email address, apps, browsers, devices, unique identifiers, browser type and settings, device type and settings, and too much more to fit here.



Game Ads

When you use an app supported by Vungle technology (see Section 2.3, below, our services can collect certain information about your mobile device. Some of this information (including for example, your IP address and certain unique identifiers), may identify a particular computer or device and may be “personal information” or “personal data” as defined under law in some jurisdictions (including in California and the EU, respectively) (hereinafter, collectively referred to as “personal information”). We collect this information the first time Vungle’s SDK is initialized on a Publisher Client’s app. Note, however, that Vungle’s Ad Services do not collect any information that that enables us to identify End Users personally (such as your name, address, or email address). We may also combine and/or enhance the information we collect about your device, including the personal information, with information we may collect about your interactions with other ads served through Vungle’s Platform that you may view on other Publisher Client’s Apps, or with information collected from our Clients and third parties (such as data providers). This may include, for example, mobile device IDs, demographic or interest data, and content viewed or actions taken on an app to help make the ads served to you more relevant while limiting your exposure to less relevant ads. We (or our third party partners) may also use this additional information to undertake “user matching,” which means that in addition to the ID an End User has been assigned in our system, we may also receive a list of unique IDs our external partners or Clients have assigned to an End User.

Unity Ads


Monetization Platform

Device Information: including various unique identifiers, such as IDFA, Android Ad ID, IDFV, MAC address, Location information: Our systems (like most used on the web) automatically collect an IP address when Users access the Service. IP addresses can be used to learn about the general location (e.g. city, state and country) of the User’s point of access to the web., Game play activity and actions: When you play a game that uses Unity Analytics, certain game activities such as play session information and monetization events are collected., A Developer using Unity Analytics may choose to collect User information such as name, email address, birthdate, gender, app ID or other Developer-defined data parameters. Please note that Unity does not access or use this data collected pursuant to a Developer’s custom configuration., Log information: When you access our Service or products that use an aspect of our Service, we may log a variety of technical information (“Log Info”), including:, IP address;, Device information, including device name and IDs, hardware model, operating system and version, and mobile network information;, Browser information;, Cookie information;, Date/time of access;, Requested page(s); and, Referring page(s)., User device information

Google Ads


Smarter Marketing, Better Results

Privacy Policy: Owned by Google, so same as Google's Privacy Policy. Personal information, email address, apps, browsers, devices, unique identifiers, browser type and settings, device type and settings, and too much more to fit here.

Moat Ads



Ad Intelligence

Privacy Policy redirects to Oracle's Privacy Policy.



Mobile measurement, linking platform

Privacy Policy: IP Address, Cookie, Link Data, User Agent, Referrer, Request, Phone Number, Engagement Data, iOS Identifier for Advertising, iOS Identifier for Vendors, Android Advertising ID, Android ID, Branch Cookie ID, App Version, Device model, Manufacturer, Operating system, Operating system version, Screen size, screen resolution, Session start/stop time, Mobile network status (WiFi, etc), Application installed time, Application updated time, Device locale (country and language), Local IP address, Mobile platform, Branch SDK version, Carrier ID, MAC address, Windows Advertising ID, CPU ID



Mobile Marketing

Privacy Policy: hashed IP address, Mobile identifiers such as the ID for Advertising for iOS (IDFA), Google Advertising ID or similar mobile identifiers, Installation and first opening of an app on Your mobile device, Your interactions within an app (e.g. in-app purchases, registration), Information regarding which advertisements You have seen or clicked on

Google Crashlytics


Realtime issue reporting

Privacy Policy: Owned by Google, so same as Google's Privacy Policy. Personal information, email address, apps, browsers, devices, unique identifiers, browser type and settings, device type and settings, and too much more to fit here.

Facebook Pixel



Measure Ad Performance

Privacy Policy: Anything present in HTTP headers - IP addresses, information about the web browser, page location, document, referrer and person using the website, Pixel ID and the Facebook Cookie, any buttons clicked by site visitors, the labels of those buttons and any pages visited as a result of the button clicks, Developers and marketers can optionally choose to send additional information, website field names like ‘email’, ‘address’, ‘quantity’ for when you purchase a product or service

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