Compare the Top Email Security Apps for Android as of January 2026

What are Email Security Apps for Android?

Email security software protects organizations from cyber threats such as phishing, malware, and spam by filtering incoming and outgoing email traffic. It uses advanced threat detection, encryption, and data loss prevention (DLP) to safeguard sensitive information. These tools also offer features like email authentication (DMARC, SPF, DKIM) and real-time threat intelligence to block emerging attacks. By securing email communications, businesses can prevent data breaches, ensure regulatory compliance, and maintain user trust. Email security software is essential for mitigating human error, which is one of the leading causes of data breaches. Compare and read user reviews of the best Email Security apps for Android currently available using the table below. This list is updated regularly.

  • 1
    Bitdefender Ultimate Small Business Security
    Bitdefender Small Business Security delivers enterprise-grade, layered cyber-protection designed specifically for small organizations. It covers Windows, macOS, iOS, and Android devices with centralized, easy-to-use management, so businesses without a dedicated IT staff can deploy and monitor security from one dashboard. Key features include multi-layered endpoint protection (machine learning, behavioral analytics, real-time monitoring, process termination, and rollback) to prevent known and unknown threats. It offers ransomware prevention and mitigation (detecting abnormal encryption attempts and restoring files from backups), fileless attack protection (memory/back-injection interference, script blocking), phishing & fraud prevention (blocking deceptive sites and warning users), and advanced exploit protection (real-time shield of browsers, Office apps, Adobe Reader) for comprehensive endpoint defense.
    Starting Price: $18.99 per month
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  • 2
    ESET PROTECT Advanced
    ESET Protect Advanced is a comprehensive cybersecurity solution designed for businesses of all sizes. It offers advanced endpoint protection against ransomware, zero-day threats, and sophisticated attacks with ESET LiveSense technology. It includes full disk encryption for legal compliance and data protection. The solution features proactive cloud-based threat defense using adaptive scanning, machine learning, cloud sandboxing, and behavioral analysis to prevent new threats. Mobile threat defense secures Android and iOS devices with anti-malware, anti-theft, and mobile device management. It also provides cloud app protection, mail server security, and vulnerability and patch management. Extended detection and response (XDR) enhances threat detection and response, while multi-factor authentication adds security. The solution offers single-pane-of-glass remote management for visibility into threats and users, along with advanced reporting and custom notifications.
    Starting Price: $275/month/5 devices
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  • 3
    Mailfence

    Mailfence

    Mailfence

    Mailfence is an encrypted email service that offers OpenPGP based end-to-end encryption and digital signatures. Mailfence comes with a plethora of features that boost collaboration without compromising security and convenience. Mailfence documents allow you to safely store and edit documents, you can also share docs with your team with the push of a button. Mailfence calendar will keep your tasks, meetings, and events all in one secure place. Mailfence contacts will store your contacts and it will give you the ability to create mailing lists to maximize efficiency. We designed Mailfence to be a fully interoperable suite, which means you can synchronize Mailfence with most services out there. Mailfence business offers fully customizable whitelabel versions of the Mailfence interface. To put the cherry on top, Mailfence donates 15% of revenues of PRO subscriptions to IFF and EDRI to bolster the fight for Online privacy.
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    Starting Price: $2.50/month/user
  • 4
    Heimdal Endpoint Detection and Response (EDR)
    Heimdal® Endpoint Detection and Response is our proprietary multi-solution service providing unique prevention, threat-hunting, and remediation capabilities. It combines some of the most advanced threat-hunting technologies: - Next-Gen Antivirus - Privileged Access Management - Application Control - Ransomware Encryption Protection - Patch & Asset Management - Email Security - Remote Desktop - Threat Prevention ( DNS based ) - Threat Hunting & Action Center With 9 modules working together seamlessly under one convenient roof, all within one agent and one platform, Heimdal Endpoint Detection and Response grants you access to all the essential cybersecurity layers your business needs to protect itself against both known and unknown online and insider threats. Our state-of-the-art product empowers you to quickly and effortlessly respond to sophisticated malware with stunning accuracy, protecting your digital assets and your reputation in the process as well.
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    Starting Price: $0/month
  • 5
    Xink

    Xink

    Xink

    Manage Microsoft 365 or Google Workspace email signatures in one place with Xink's powerful web portal - built on a decade of experience with email signature management. Get consistent, branded and up-to-date signatures for all employees across devices, departments, and geography. Create customized and targeted email signature marketing banners below the contact details to share updates, achievements, values, promote content and much more! All with clickable call-to-actions to help you drive traffic and interest. With role-based login, the marketing or communications department can easily manage it. After the initial setup (45 min), IT has no workload. Safely hosted at ISO 27001-certified data centers (Microsoft Azure). This ensures the best, most secure data storage available – under all laws and regulations, including GDPR.
    Starting Price: $1/user/month
  • 6
    Guardian Digital

    Guardian Digital

    Guardian Digital

    Guardian Digital secures against email threats like phishing, zero-day exploits and ransomware attacks that define the modern threat landscape email users face every day. We believe email security is business security, as greater than 90% of all cyber attacks originate from an email. The most effective email protection is delivered through a purpose-driven solution designed to close critical security gaps in Microsoft 365 and Workspace, coupled with the expert setup, ongoing remote system management and accessible support required to improve IT security. With real-time cybersecurity business insights, we help you understand what your risk profile is today, and protect you from the dangers that all businesses face. EnGarde Cloud Email Security - Key Features: • Phishing, spoofing & impersonation protection • Link & file analysis • Zero-day attack protection • Malware & Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Comprehensive management & support service
    Starting Price: Monthly & Annual Subscriptions
  • 7
    ESET PROTECT Complete
    ESET PROTECT Complete is a comprehensive cybersecurity solution designed to safeguard business endpoints, cloud applications, and email systems. It offers advanced protection against ransomware and zero-day threats through cloud-based sandboxing technology and machine learning-driven detection. It includes full disk encryption capabilities, aiding compliance with data protection regulations. ESET PROTECT Complete also provides robust security for mobile devices, file servers, and email servers, incorporating anti-malware, anti-phishing, and anti-spam measures. Its centralized, cloud-based management console allows for streamlined deployment, monitoring, and response to security incidents across the organization. Additional features include vulnerability and patch management, ensuring that software vulnerabilities are promptly identified and addressed.
    Starting Price: $287.72 one-time payment
  • 8
    ESET PROTECT Elite
    ESET PROTECT Elite is an enterprise-grade cybersecurity solution that integrates extended detection and response with comprehensive multilayered protection. It offers advanced threat defense using adaptive scanning, machine learning, cloud sandboxing, and behavioral analysis to prevent zero-day threats and ransomware. The platform includes modern endpoint protection for computers and smartphones, server security for real-time data protection, and mobile threat defense. It also features full disk encryption, helping organizations comply with data protection regulations. ESET PROTECT Elite provides robust email security, including anti-phishing, anti-malware, and anti-spam technologies, along with cloud app protection for Microsoft 365 and Google Workspace. Vulnerability and patch management capabilities allow for automatic tracking and patching of vulnerabilities across all endpoints.
    Starting Price: $275 one-time payment
  • 9
    Libraesva Email Security
    Protect your business from disruption, financial loss and reputational damage. Libraesva Email Security stops known and emerging email threats from reaching their target, so you only receive legitimate messages. It provides exceptional email security by integrating cloud email and a secure email gateway with Libraesva’s unique Adaptive Trust Engine that uses AI to learn the usual patterns of behavior for organizations and individuals, continuously assessing the strength of business-to-business trust and proactively holding anomalous traffic. Libraesva Email Security scans and filters all inbound and outbound emails for advanced malware, phishing, business email compromise, spam and more. Proprietary sandboxing technology removes dangerous payloads and active content from attachments, and you can protect users from visiting unsafe sites with active URL analysis that checks every link.
  • 10
    Ziroh Mail

    Ziroh Mail

    Ziroh Labs

    Even if you don’t exchange confidential emails, doesn't it bother you that your email service provider has a backdoor to your emails? They can open it to any third party, anytime. They create the rules after all, with the loopholes. Do you know what a single eCommerce receipt can reveal about you? Your taste in clothes, the money in your wallet, your preferred method of payment, where you live, which device you use, and so on. Alarming isn’t it? Well, thousands of companies and scammers already are. Every little detail about you is invaluable to third parties, they will use it to get to know you better, manipulate you to buy their products and services, and sometimes impersonate you online. If you think that your email platform is foolproof, just do a simple search. All major email platforms have been hacked. Still, feel secure? A quick, easy, non-intrusive privacy layer that protects your emails wherever they are, and wherever they reach.
  • 11
    Smartlockr

    Smartlockr

    Smartlockr

    Smartlockr is a people-centric data security platform to easily enable secure email and file sharing for an entire organization. Smartlockr prevents data leaks by keeping user-friendliness in mind with everything we do. By eliminating the human error, we ensure your workforce is your strongest asset in preventing data leaks. Smartlockr can be customized for each organization, so that every employee can continue to work with the (email) systems they are used to. Smartlockr can be used with almost every operating system and device. It is available as a plug-in for Microsoft 365 (Outlook), it can be integrated into existing systems and an SMTP relay service can be used too. Even a combination is possible if required. Smartlockr can also be used to securely send and receive large files of up to 5 TB. Smartlockr is compliant with all privacy regulations and security standards like GDPR, ISO, NTA 7516.
    Starting Price: €0.42 / month / user
  • 12
    GBS iQ.Suite
    The use of collaboration tools and meeting platforms from vendors such as Microsoft and CISCO is constantly increasing, and with it the security measures that need to be taken. As more and more channels, more complex IT infrastructures and a large part of the platforms run entirely in the cloud, new gateways and attack vectors are emerging. While most organizations are constantly increasing their email security measurements, they often tend to overlook protection against malicious files, that enter the company via SharePoint or messenger, for example. The security capabilities currently available are often limited and ineffective. The platforms helps companies respond promptly to the dynamic and ever-changing threat landscape with a centralized cloud solution that fits both enterprises and small companies.
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