Comparison

K7 Mobile Security vs Privacy Defender

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

K7 Mobile Security

Safeguard your personal data and privacy from cyber threats with comprehensive web protection, device tracking, and privacy checks. It also helps manage data usage and analyze system resources.

Highlights
  • Web Protection
  • Safe Browser
  • Device Tracker
  • Privacy Check
  • Data Manager
  • Wi-Fi Security Advisor
Features
Read full description

Install K7 Mobile Security on your iPhone/iPad and protect your personal data and privacy from cyberattacks and hackers. FEATURES ► Web Protection:  Keep your device clean and safe from online viruses and malware. Web Protection includes: ► Safe Browser: A secure browser that blocks malicious, phishing and potentially dangerous websites. ► Check URL: Shows if a URL that you want to visit is safe or not ► Safari Web Advisor: Indicates if a website that you are visiting through Safari is safe ► Privacy Check: Checks your Facebook privacy risks and shows personal information that have been shared  ► Device Tracker: Track and locate your device remotely when your device is lost. You can also trigger a loud alarm to quickly locate the device immediately after losing the device. ► Backup and Restore: Backup phonebook contacts to Google drive and restore them later. ► Data Manager: Track data usage on cellular and Wi-Fi networks and generate periodic reports ► System Analyser: Checks use of memory and data storage ► Wi-Fi Security Advisor: Protects you from unsafe Wi-Fi connections. Wi-Fi Security Advisor includes ·         Wi-Fi Analyser: Checks if your Wi-Fi connection is secure ·         Trusted Wi-Fi: Allows adding/removing networks as Trusted Wi-Fi ·         Wi-Fi History: Shows statistics about the Secure, Unsecured, and Trusted networks
 Note: This app is compatible with iOS version 9 and higher About subscriptions: - Limited time free trial with all the features. - Post free trial period, payment will be charged to your iTunes Account on confirmation of in-app purchase - Once paid, cancellation is not allowed while the subscription is still active. Subscription is valid for one year from the date of payment. - Subsequent purchase to be done manually at the end of the subscription period

About

Privacy Defender

This all-in-one mobile security app offers online protection, ad blocking, and identity safeguards. It secures your personal information with a password manager, secure notes, and safe browsing features. Stay informed about security threats and protect your data from malware and phishing.

Highlights
  • Online security and safe browsing
  • Ad and tracker blocking
  • Password manager with secure notes
  • AES 256-bit encryption
  • Face ID/Fingerprint unlock
  • Security news and awareness
Features
Read full description

Privacy Defender is an All-In-One Mobile Security & Privacy App which provides Online Security, Ad blocking, Identity Protection and Mobile Security to iOS Users and keeps Mobile User's personal Information Private, Safe and Secure. Mobile Security - Safe Online Browing & Ad Blocker • Safe browsing experience by blocking Malicious websites that distributes Malware & Viruses. • Block Phishing Websites that steal Users personal and financial data. • Protects Mobile Users Personal Information by allowing only secure internet connectivity on insecure Wi-Fi networks. • Block Ads & Trackers to provide AdBlock and Ad Blocker functionality from annoying Ad Trackers and pop-ups. • Provides clutter free environment by blocking Ad Trackers when browsing websites. • Saves battery usage and increases performance by blocking Social Media Ad Trackers. Password Manager & Secure Notes • Privacy Defender & Security App has a Password Manager and Secure Notes Manager to provide ultimate Hacker Protection. • Built-in Secure Vault with AES 256-bit encryption to safeguard your information & data. • Password Manager and Secure Notes are protected by Master Password and provides easy access through Face ID or Fingerprint. • Master Password is the key to encrypt and decrypt the information and Privacy Defender App cannot access your personal data. • Mobile Users can also create secure passwords in one click with the built-in password generator. • Store items in different categories such as logins, credit cards, addresses etc. Security Threats, News & Awareness • Provides latest security news and awareness campaign to identify Frauds • Mobile and User Data Security by identifying outdated and Vulnerable IOS. User Consent Privacy Defender App will collect, store and process URL’s, IP Addresses and Domain Names visited by the User to identify suspicious malicious sites. User’s Personal Identifiable Information is neither collected, stored nor shared with any 3rd party. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. You will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal. No cancellation of the current subscription is allowed during the active subscription period. Note that uninstalling the App will not cancel your subscription. You can manage subscriptions and auto-renewal by going to your Apple ID after purchase. You can find automatic charging information later in our app by going to "Settings" > "Legal" > "Subscription Terms". Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://privacydefender.app/PrivacyPolicy Terms of Use: https://privacydefender.app/PrivacyPolicy/Useragreement

Screenshots

K7 Mobile Security4 screens
Privacy Defender4 screens

Verdict

The call

The clearest difference is review sentiment: Privacy Defender at 74% against K7 Mobile Security's 17%. Privacy Defender also leads on rating (4.0 vs 2.7) and update cadence (every 3 weeks vs every 6 months). K7 Mobile Security's advantage is monetization model (free with in-app purchases vs subscription). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. K7 Mobile Security sells 1 one-off in-app purchase and Privacy Defender sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Privacy Defender holds the better App Store score, 4.0 against 2.7. That said, the two scores are not equally well evidenced: Privacy Defender has 30 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 17% of K7 Mobile Security's written reviews are positive against 74% of Privacy Defender's.

UpkeepUpdate frequency

K7 Mobile Security ships an update every 6 months, Privacy Defender every 3 weeks. The most recent releases landed on September 15, 2026 and August 25, 2026 respectively.

Scorecard5 real differences · 5 level
K7 Mobile Security versus Privacy Defender: the parameters behind the verdict, then further details
ParameterK7 Mobile SecurityPrivacy Defender
PriceFreeFree
Rating2.7 (3 ratings)4.0 (30 ratings) — better
Positive reviews16.7% of reviews73.9% of reviews — better
Number of ratings330 — better
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.616.4 — better
Further details — not scored
Size16 MB66 MB
Age rating17+4+
DeveloperK7 Computing Pvt LtdPligence Inc.

Customer experience

K7 Mobile Security

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews12 reviews
Positive16.7%
Neutral8.3%
Negative75.0%

Privacy Defender

All ratings31 ratings
Positive74.2%
Neutral6.5%
Negative19.4%
Written reviews23 reviews
Positive73.9%
Neutral4.3%
Negative21.7%

In-app purchases

1 purchases

K7 Mobile Security

One-time1
  • K7 Mobile Security$6.99
3 purchases

Privacy Defender

Subscriptions3
  • Privacy Defender - Per Month$1.991 Month
  • Privacy Defender - 6 Months$10.996 Months
  • Privacy Defender - 1 Year$20.991 Year

Questions

Is K7 Mobile Security free?
K7 Mobile Security is free to download, with in-app purchases available.
Is Privacy Defender free?
Privacy Defender is free to download, with in-app purchases available.
Which has better reviews, K7 Mobile Security or Privacy Defender?
Privacy Defender is rated higher. K7 Mobile Security averages 2.7 out of 5 from 3 ratings, while Privacy Defender averages 4.0 from 30 ratings.
Do K7 Mobile Security or Privacy Defender have ads?
Neither K7 Mobile Security nor Privacy Defender shows ads.
Which is updated more often, K7 Mobile Security or Privacy Defender?
K7 Mobile Security ships an update every 6 months, and Privacy Defender every 3 weeks. Most recently, K7 Mobile Security was updated on September 15, 2026 and Privacy Defender on August 25, 2026.

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