Best Email Security Apps for Android
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Compare the Top Email Security Apps for Android as of June 2025
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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.
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SpamTitan
TitanHQ
SpamTitan email security is an email spam filter for businesses, smbs, MSPs, and schools. SpamTitan email security blocks spam as well as phishing and day-zero attacks, viruses, malware, ransomware, and other email threats. Helps control mail flow, clean it, and protect against unwanted email. We provide easy-to-use yet advanced email security for businesses, smbs and MSPs that are Office365 friendly. SpamTitan - Premium functionality included: • CEO Impersonation protection • Phishing/ Spear phishing protection • Link analysis • Full Sandboxing • Zero Day Attacks protection • Mail Spooling • Spoofing protection • Malware and Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Fully multitenant environment • Ability to rebrand the entire UI • Full REST API: • Comprehensive support and set up docs Try a FREE, fully supported trial of SpamTitan Email Security today.Starting Price: $2.14/user/month -
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An advanced shield against phishing, ransomware, and evolving email-based threats. Working in harmony with your existing systems, our solution enhances your defences, whether deployed on cloud or on-premises.Starting Price: $0/month
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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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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.Starting Price: $2.50/month/user -
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Trustifi
Trustifi
Trustifi offers industry-leading solutions for email security that helps small, mid-size, and enterprise organizations manage threat detection, regulatory compliance, data encryption & more. Easily deployed on: Outlook, Gmail, or any email server by relay **Advanced Threat Protection**: -Malware and ransomware virus detection, BEC attack prevention and alerts **Data Loss Prevention**: -100% compliant with HIPAA/HITECH, PII, GDPR, FSA, FINRA, LGPD, CCPA, and more **Encryption**: -NSA-grade. Select Enterprise customers have access to company branding and product white labeling. Plus one-on-one team training. Encryption needs aren’t one-size-fits-all, so your email security platform shouldn’t be either. Customized solutions are available upon request, often without charge. -
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Zivver
ZIVVER
Zivver is the effortless, smart, secure digital communications platform powering the next generation of secure digital communications. Trusted by over 5,000 organizations globally, Zivver prevents data leaks caused by human error and ensures compliance. Zivver seamlessly integrates with all major email clients including Gmail, Outlook, and Microsoft 365 and features unparalleled zero-keys encryption, with smart features such as contextual machine learning powered business rules. Zivver allows anyone to share large files up to 5TB securely via their existing email client. Zivver is fully compliant with all leading data security standards, including ISO 27001, NTA 7516, GDPR, HIPPA.Starting Price: 0.99€/month/user -
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Tuta
Tuta
Tuta offers a highly secure, encrypted email, calendar, and contacts service designed to give users complete control over their data. With end-to-end encryption powered by quantum-safe cryptography, Tuta ensures that all your communications are private and safe from surveillance. The platform is easy to use, supports mobile apps for Android and iOS, and is ad-free, offering a seamless experience across multiple devices. Tuta is committed to using renewable energy to power its servers, ensuring privacy while contributing to a greener future.Starting Price: €1.20 per month -
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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 -
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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 serviceStarting Price: Monthly & Annual Subscriptions -
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Accellion
Accellion
The Accellion secure content communication platform prevents data breaches and compliance violations from third party cyber risk. CIOs and CISOs rely on the Accellion platform for complete visibility, compliance and control over the communication of IP, PII, PHI, and other sensitive content across all third-party communication channels, including email, file sharing, mobile, enterprise apps, web portals, SFTP, and automated inter-business workflows. When users click the Accellion button, they know it’s the safe, secure way to share sensitive information with the outside world. With on-premise, private cloud, hybrid and FedRAMP deployment options, the Accellion platform provides the security and governance CISOs need to protect their organizations, mitigate risk, and adhere to rigorous compliance regulations such as NIST 800-171, HIPAA, SOX, GDPR, GLBA, FISMA, and others. Accellion solutions have protected more than 25 million end users at more than 3,000 companies.Starting Price: $15.00/month/user -
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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
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ESET PROTECT Elite
ESET
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 -
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WikiLocks
WikiLocks
WikiLocks works the way you do, within your most common applications. Simply select the data you wish to protect, assign access to individuals or groups, and distribute the newly protected document. The protection follows your document throughout its lifecycle, no matter how it is accessed, copied, pasted and attached.Starting Price: $40 -
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Comodo Dome Antispam
Comodo Group
Secure Email Gateway is an enterprise anti-spam and threat prevention system that uses a sophisticated array of spam filters, anti-virus scanners and content analysis engines to prevent unsolicited mail from ever entering your network. Security needs differ from employee to employee. You may want to apply different security levels to different employees such as from finance or sales departments. Dome Anti-spam gives you the freedom to define different types of profiles with different security features and restrictions. Containment protects from the newest forms of ransomware, zero-malware, and other advanced threats. The Valkyrie file verdict system analyzes unknown files. Users are free to open, execute and use the attachments with ZERO risk of infection. Comodo's unique containment technology ensures that risks are fully contained before reaching the end point, so there is no risk of infection, even from the newest malware.Starting Price: $4.00/one-time/user -
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Libraesva Email Security
Libraesva
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. -
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BooleBox
Boole Server
BooleBox is a content security platform that maintains clients data integrity and confidentiality from unauthorized access while ensuring the highest level of encryption to protect sensitive data from attacks. Thanks to an advanced encryption system and various security settings, users can finally create, edit, share and classify files and folders, without compromising the usability. With boolebox solutions, we protect your data wherever it is, at work, in the cloud, in transit via e-mail, in shared projects, and in the most commonly used platforms, such as Windows, Outlook, Gmail, OneDrive, and SharePoint. We understand your potential digital vulnerabilities, and we protect them like no one else can because our protection is the bodyguard of your data. It never abandons it and follows it everywhere! We protect large amounts of data in different types of business sectors. We have been doing this every day since 2011. -
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RevBits Email Security
RevBits
RevBits Email Security is a next-generation email security solution that aims to close major gaps in the current marketplace. Leveraging sophisticated and unique algorithms such as a patented page impersonation detection methodology, Revbits Email Security achieves the deepest level of email analysis. For every email, RevBits Email Security displays a composite, probabilistic score of each email's risk level paired with full details for continuing user education. RevBits Email Security enhances Email Security Architecture RevBits Email Security enhances email security by detecting and blocking sophisticated malicious emails that get past the outer layers of an organization's email security stack. With RevBits Email Security, organizations can protect the last point of email interaction – the employee endpoint. -
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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. -
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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 -
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Vade
Vade Secure
Vade is a global leader in predictive email defense, protecting 1 billion mailboxes in 76 countries. We help MSPs and SMBs protect their Microsoft 365 users from advanced email security threats, including phishing, spear phishing, and malware. ISPs, MSPs, and SMBs choose Vade's email security solutions to protect their users and their businesses from advanced cybersecurity threats, including phishing, spear phishing, and malware. Whether we’re protecting consumers through leading ISPs, or business through our MSP partners, our AI-based email security solutions are designed to detect the undetectable. Block dynamic phishing attacks that bypass traditional solutions. Block targeted spear phishing & business email compromise attacks. Block evasive polymorphic and zero-day malware attacks. -
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INKY
INKY Technology
INKY is an award-winning cloud-based email protection software. It blocks spam, malware, and most importantly — it protects businesses from phishing attacks like no other email security solution can. INKY uses domain-specific machine learning and computer vision to identify and block zero-day phishing emails that get through legacy email systems. Warning banners directly in the email offer guidance for suspicious emails. Integrates into Office 365 organization-wide within minutes. Safe/Unusual/Malicious warnings let users know how to treat the email. Our advanced dashboard gives you complete visibility and tracking into the threats being blocked. INKY’s email protection software places user-friendly warnings directly into the email, offering specific guidance to both protect and educate your users. Safe/Unusual/Malicious warnings with details guide the user to take a closer look or proceed cautiously. One of our clients’ favorite features is the ability to Report an Email with a click. -
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ZeroFox
ZeroFox
Organizations invest immense resources into social media and their digital presence, which has become the primary engagement method for many individuals and businesses. As social media becomes the preferred engagement tool, security teams must understand and address the risks posed by digital platforms, the largest unsecured IT network on earth. Explore the ZeroFox Platform - watch this 2 minute overview video. With a global data collection engine, artificial intelligence-based analysis, and automated remediation, the ZeroFox Platform protects you from cyber, brand and physical threats on social media & digital platforms. Understand your organization’s digital risk exposure across a broad range of platforms where you engage and cyberattacks occur. ZeroFox's mobile app provides the powerful protection of the ZeroFox platform at your fingertips, wherever and whenever you need it. -
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Aspida Mail
Aspida
Aspida Mail was developed with simplicity in mind. We know it's important for you to be able to continue with business as usual. Aspida Mail's setup is seamless and works with any IMAP enabled device. Aspida is HIPAA compliant encrypted email. -
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GBS iQ.Suite
GBS
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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