Best Email Encryption Apps for Android

Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.

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.

Spike brings your entire workspace into your Inbox: email, chat, calendar, calls, team collaboration, tasks — to one powerful Inbox. Everything you need to get your work done is in a single feed, so you can finally give the app-switching a rest. Spike’s conversational email fuses traditional email with instant messaging — eliminating cluttered email threads. With real-time conversations and live collaboration, have better interactions and a more human communication experience. Spike is available on iOS, Android, Mac, Windows & Web.

Email, meet AI. Canary can write your emails, prioritize what needs attention, silence spam & much more. Say hello to your Inbox Copilot!

Senders maintain complete control - restrict recipients’ privileges to print, forward or download content, and retract at any time. Identillect evolves with regulatory changes, continuously researching so you don’t have to. Simple for both senders and receivers. No registration or subscription required for recipients. Leverage Identillect’s patented vCard technology to further streamline your secure communications directly from Outlook. Set the level of security desired, enforce enterprise policies across the entire network limiting recipient permissions. This add-in includes access to all Delivery Trust® – Web Only features and capabilities. The DELIVERY TRUST® O365 Add-in makes securing your communications and responses simple while on the go. The intuitive interface means no learning curve with non-invasive implementation company-wide. This add-in includes access to all DELIVERY TRUST® – Web Only features and capabilities.

Posteo is a secure and sustainable email service based in Berlin that focuses on privacy and environmental responsibility. With 100% green energy powering their operations, Posteo offers ad-free email accounts that are built to ensure user data remains private. It provides features like email encryption, calendar syncing, and an address book, all accessible from multiple devices. The service prides itself on not collecting personal data, protecting user identity, and offering a simple and intuitive user experience for just €1 per month.

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.

One-stop E2E encrypted platform made by cybersecurity experts. Crypto Suite™ is all you need in the jungle of crypto apps. The safest app available for all your crypto needs. All your valuable and private stuff in one secure place. Communications, cryptocurrencies and private files. End-to-end encryption and blockchain integration to ensure that only you are in control. We make it easy to handle your crypto. FortKnoxster is a true one-stop secure platform. Easy to share crypto and easy to invite your friends and contacts. The wallet in FortKnoxster is entirely non-custodial – only you have access to your funds. We don't have access - or anybody else. Only you hold the private encryption keys to your funds. Store all your coins and tokens in a single, secure mobile wallet. We support multiple blockchains and thousands of assets. BTC, ETH, FKX, ERC20, BEP20, NFT collectibles and other assets totally on your terms.

25% of the 100 German companies with the highest turnover choose Zertificon. Z1 SecureMail Gateway is our highly automated Enterprise Email Encryption solution for effortless, secure communications with anyone, anywhere. Your entire organization encrypts and decrypts, just as well manages & verifies email signatures smoothly in the background. Z1 SecureMail Gateway requires minimal maintenance. And the browser-based admin interface needs no special skills. Keys are managed automatically & central policies enforce security. Integration is fast into your Cloud or On-premises email infrastructure. Your workflows and business are uninterrupted — no employee training needed plus frictionless experience for recipients. With Z1 SecureMail Gateway, encryption is centrally configurable and proofed against human error. You easily achieve and maintain compliance and the highest security standards. You also own all encryption keys and attain German-engineered data sovereignty with no backdoors.

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.

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.

We support anonymous usage and do not stockpile your personal data. Therefore, nothing can be made to reveal it. We use strong encryption and state-of-the-art technologies. This ensures the confidentiality of your messages. Iceland has among the strongest privacy laws that allow anonymous usage and instantly deleting your data. CTemplar’s exclusive 4-Wall Protection guarantees complete wall-to-wall protection of your data. Set a phrase that will be shown in your account. This will alert you to any phishing attempt. We allow anonymous payments using Monero. We are still building the monero payment processor so XMR payments are completed by contacting support. Automatic payments can be made with Bitcoin and card. Our server location in Iceland provides nearly unlimited natural energy resources and it's proudly run 100% by green energy, specifically geothermal and hydropower.

CounterMail is a secure and easy to use online email service, designed to provide maximum security and privacy without any unnecessary complexity. You can access your email account at any time, from anywhere in the world. Your account will always be encrypted and anonymous. CounterMail's encryption works automatically and transparently, it requires no specialized computer skills or knowledge. If you are comfortable using services like Hotmail or Gmail, you will be comfortable using CounterMail's secure email! We are using a strong encryption protocol called OpenPGP, with 4096 bits encryption keys to protect your data. To the best of publicly available information, there is no known method which will allow a person or group to break OpenPGP:s encryption by cryptographic or computational means.

Instantly create as many email addresses as you need - each associated with their own group of contacts. Share addresses with anyone, but keep your real email address private. Stop telecom companies, governments, and hackers from seeing with whom you communicate. Each virtual mailbox is automatically set up with 4096-bit GPG and S/MIME encryption keys and certificates. All email stored at MsgSafe-io is encrypted. You can manage the encryption profile for each contact you communicate with. Protect your entire family or organization by managing all identities and email addresses with the domain you already own. If you don’t own a domain, you can use our domain registration services to purchase a domain integrated with MsgSafe-io and privacy protection. You don’t trust FaceTime, Skype, Duo, Hangouts and similar services hosted by companies like Apple, Microsoft and Google? Try our secure and private audio and video services. You can invite people to call you from a browser link.