Best email apps: free and paid mobile email clients for Android and iOS


Email has become an important tool for businesses around the world, so it’s important to make sure you’re using the right apps and email service providers for your needs. Different email clients focus on different aspects of the email process. Some make security a priority, others ease of use, and still others make it a point to include as many additional tools as possible.

Mobile email management is an essential consideration for many business owners and employees. In this guide, we take a look at the best email apps for both Android and iPhone mobile users, focusing on a selection of leading free and premium options.

  • Also check out our roundup of the best email hosting providers
The Gmail interface is simple and easy to navigate

1. Gmail

Best all-around mobile email app

reasons to buy
+A great option for beginners+Free on both Android and iOS+Custom mail-filtering tools are excellent
reason to escape
Some advanced features are lackingLoose security will be a concern for some

Google’s Gmail is one of the most popular email apps in the world. It’s on the simpler side, but it’s one with the best options for those looking for a streamlined, easy-to-use email client.

One thing that stands out about Gmail is that it is 100% free, forever. You may have to pay for additional Google Drive storage if you exceed the free limit, but doing so will require a huge email volume.

On top of that, Gmail is available on Android and iOS devices. It often comes as the default email app on Android smartphones, and can be set to the default option on modern iOS systems.

Despite being a bit basic, it has remarkable features that deserve attention. The undo send tool is excellent, you can prioritize notifications where necessary, and automatic filters can be used to send specified mail to a custom inbox.

  • Read full review: Gmail
Microsoft Outlook app packed with great management features

2. Microsoft Outlook

Best for Advanced Email Features

reasons to buy
+A prime choice for iOS users+Ability to automatically highlight important emails+Compatible with accounts from multiple providers
reason to escape
Unsubscribe button doesn’t always workDesign is a bit clunky at times

Like Gmail, Microsoft Outlook ranks among the best mobile apps on the market today. It is available in both iOS and Android operating systems, is 100% free forever, and boasts an excellent selection of management features.

On top of this, Outlook is compatible with email accounts from Outlook.com, Office365, Yahoo Mail, iCloud, Gmail, and Exchange email accounts. This enables you to import additional accounts where necessary, while offering multi-account management from a central hub.

The built-in AI analytics system is a standout feature, highlighting the most important emails based on your past actions. With it, you can rest assured that you will never miss important messages.

New features are added regularly, and the Outlook app is fully integrated with the built-in email, calendar, contacts, and attachments tools.

  • Read full review: Microsoft Outlook
ProtonMail is backed by industry-leading security integration

3. ProtonMail

best secure email client

reasons to buy
+A strong focus on email security+intuitive and easy to use
reason to escape
Paid subscription required to access advanced toolsCan’t import accounts from other email providers

If you’re looking for an email app that prioritizes security over everything else, ProtonMail should be at the top of your list. It is backed by a suite of security tools to help protect your email from prying eyes, including end-to-end encryption of all messages.

On top of that, you can use the auto-delete feature to set a self-destruct timer for emails. Basically, this will cause a message to delete itself after a specified period of time. It is also possible to password protect messages, ensuring that only the intended recipient will be able to open them.

ProtonMail is available on Android and iOS devices, and its free plan includes 500MB of storage and all basic tools. More storage and organization features can be accessed by upgrading to a premium membership, but this is not required.

  • Read full review: protonmail
Newton Mail isn’t free, but it offers exceptional value for money

4. Newton Mail

Best Premium Email App

reasons to buy
+Excellent third-party app integration+Great time-saving features for streamlined workflows
reason to escape
not forever free versioncan be unbelievable at times

newton mail It’s far from the most popular email client in the world, but it’s one of our favorite options for both iOS and Android devices. You have to pay for a premium subscription, but there is a 14-day free trial. Plus, the advanced tools on offer make it a great option for business users.

Newton Mail prioritizes important messages, sending newsletters, promotional mail, and other less-important content to separate inboxes. You can take advantage of things like read receipts and message snoozing, and third-party app integrations provide a great way to streamline workflow.

  • You can sign up for Netwon Mail here
Offers nine major multi-account management tools

5. Nine

Best Clients for Multi-Account Management

reasons to buy
+Excellent Multi-Account Management Tool+Active Sync Account Import Tool
reason to escape
Quite expensive compared to some competitorsiOS app is clunky at times

Like Newton Mail, nine Is a premium email client with a 14-day free trial. It’s available on both iOS and Android, boasts good security features, and uses Active Sync to help you connect directly to your email server.

What Nine is best known for is its multi-account management features. You can add multiple email accounts from one of the various email providers, and use the built-in management tools to keep track of all your messages.

On top of that, the nine user interface is quite attractive and easy to navigate. You shouldn’t have too much trouble getting familiar with it, and the built-in calendar and contact management tools are excellent.

  • You can sign up for Nine here
  • We’ve also featured the best secure email providers

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