Android open app from email

Open Mobile Application From The Browser

Table Of Contents

Launching the mobile application of the specific page from the browser is called Mobile App Deep Linking.

It is very useful if you have both web and mobile applications and want to easily navigate between them.

You can launch an email campaign that contains a link that users can click to read more about your products in your mobile app.

There are many use cases, but the general purpose is to optimize user experience and increase conversion rates.

Deep Linking Types

There are two main types of Deep Links:

The link opens an application if it is installed, otherwise an error message will be displayed.

The link opens an application if it is installed, otherwise the user is redirected to Play or App Store (or another chosen location).

Besides these, you may have heard of Contextual Deep Linking.

Contextual Deep Links are usually default or deferred with some additional parameters added to collect more information about users.

Creating A Deep Link

Let’s create a Deferred Deep Link to our mobile app that will open it if it’s installed, otherwise redirect to the Store where the user can download it.

Important note: This solution may not work in all browsers or older Android/iOS versions. However, it should work fine with Chrome and Safari.

ANDROID

For Android, Google provides the Intent URL:

Be sure to replace APP_NAME and APP_PACKAGE with the values that belong to your mobile app, APP_HOST is an optional host value that may not be needed (but is required to open the instagram app in the next example).

Example code for Instagram:

IOS

On iOS, try opening the mobile app and set the timeout to a few seconds, which only runs when an app is not installed:

Be sure to replace APP_NAME and APPSTOREURL with the values that belong to your mobile application.

Example code for Instagram:

The Complete Example

To put all the code together, let’s create a simple React application:

npx create-react-app deep-linking

Install the react-device-detect library, which would help us detect the user’s operating system:

yarn add react-device-detect

Open the App component and replace it with the following code:

Important note: Do not try to test it on either iOS or Android by manually typing the url into the browser, as it will not work. Create a link somewhere that points to your React app and test by clicking on it.

Summary

Mobile App Deep Linking is a very complicated subject.

It is very hard to prepare a solution that works for every scenario.

Fortunately, you do not always have to take care of it yourself — there are a lot of paid services that would generate links for you and do all the redirect logic under the hood.

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10 best email apps for Android to manage your inbox

We’d also like to give an honorable mention to Hey (Google Play link). It’s really interesting and entertaining email app, but it gives you a new email address and is really expensive so it’s difficult to put it on the list. It has some decent features, though, so check it out if you want another option.

Read more:

Blue Mail

Price: Free

Blue Mail is one of the most popular email apps out there. It supports a variety of clients, including Gmail, Yahoo, Outlook, Office 365, and virtually any other POP3, IMAP, or Exchange clients. The app has a variety of notification settings for each one of your email accounts and also comes with some fun stuff like Android Wear support, configurable menus, and even a dark theme. It also has some smart features if you want them. It’s powerful and it’s completely free. There is a potential privacy issue since Blue Mail uses its own servers, but most likely won’t mind.

Cleanfox

Price: Free

Cleanfox isn’t an email client, but it’s a useful app for email users. It basically helps you unsubscribe from the likely large number of things you somehow ended up subscribed to. You connect your email accounts to the app and it runs through and finds all of your subscriptions. It then unsubscribes you from them if you want it to. It can also delete old emails from those subscriptions and help you manage things in other ways. It’s a free app and it’s honestly not difficult to use at all. Most of the complaints are regarding bugs and bugs do exist, but Cleanfox does what it can and it does work for most.

Gmail

Price: Free

Gmail is a bit of a cheap pick for email apps. It comes pre-installed on most Android devices. Thus, you probably already have it. The app supports multiple inbox settings, multiple accounts, and more. It supports most email services as well, including Yahoo, Microsoft Outlook, and others. It also supports a unified inbox, Material Design, and more. The team also added a bunch of Inbox by Google features before that client was taken down. It’s an excellent option for most folks.

K-9 Mail

Price: Free

K-9 Mail is one of the oldest email apps out there. Many enjoy it for its minimal interface, no BS experience, and unified inbox. It supports most IMAP, POP3, and Exchange 2003/2007 accounts. Otherwise, what you see is pretty much what you get. The UI isn’t overly inspiring, but it makes up for it by not having any quirky features that only half work. This is old school and reliable. The app is also open source. You can build it yourself or contribute to the community via Github. It’s definitely not flashy. However, it is functional and lightweight. It’s also completely free.

Price: Free / $9.99-$14.99

Nine is one of the better email apps out there if you’re concerned about security and also use Outlook. It boasts no server or cloud features whatsoever. The app just connects you to the email services. On top of that, it has support for Exchange ActiveSync which is to be expected for any app that boasts Exchange support. You have a variety of options, including selecting which folders you want to sync, Wear OS support, and more. It’s rather expensive as far as email clients goes and there are a few bugs here and there. However, definitely geared more toward business users.

See more:

Newton Mail

Price: Free trial / $49.99 per year

Newton Mail has a complicated past. It was CloudMagic, re-branded to Newton Mail, died, and was brought back by Essential (the phone maker). It stands as one of the best email apps on the list. The app has a clean, one of the best and cleanest UIs along with a slew of little goodies. That includes email snoozing, two-factor authentication, the ability to send emails later, read receipts, and one-click unsubscribe features. You can also connect a host of other apps in for better integration. Don’t get us wrong, this is way too expensive for basic email consumption. However, apps like this have a niche and Newton is among the best in that niche. Newton Mail was set to shut down on April 30th, 2020, but it seems as though they found a way to keep the doors open.

ProtonMail

Price: Free

ProtonMail is a great email client for security-minded folks. The app boasts end-to-end email encryption. That basically means the only two people who can read your emails are you and the person you’re emailing. The app also boasts OpenPGP support, self-destructing emails (where supported), and most of the typical stuff like labels and organization features. This one does store emails on a server. However, that server is completely encrypted and no one can read them, not even ProtonMail. Many of the features require a ProtonMail account, but this is about as good as it gets in terms of security unless you set up your own server.

Spark Email

Price: Free

Spark Email is the new kid on the block, so to speak. It launched in early 2019 to positive reviews. It has a lot of the basics, including email snoozing, sending emails later, reminders, pinned emails, and you can undo sent mail. Additionally, the UI is clean and you can view each email address separately or together in a universal inbox. We’re big fans of universal inboxes around here. The app’s big claim to fame is its Smart Inbox that filters out trash email in favor of only the important stuff. It’s a neat feature, but even without it, Spark is an excellent email client with support for most email addresses.

TypeApp Email

Price: Free / Up to $6.99

TypeApp Email is a fairly run-of-the-mill email client. It does all of the stuff you would expect. That includes support for most email services, a unified inbox, push notifications, rich text emails, wireless printing support, and some other useful features as well. You also get Wear OS support, a dark mode, themes, and other customization features. It certainly won’t blow your mind. However, it’s a good, simple email app that does what it says it does. We also liked the Material Design UI in our testing and the relatively simple method of switching accounts. It reminds us a lot of Blue Mail in terms of its UI. In any case, it’s good, it’s just not exciting.

Individual clients like Outlook

Price: Free (usually)

The thing is that most third party email apps work just fine. However, there is an advantage to just using the individual app for your email service. We listed Gmail above because it comes pre-installed on most devices anyway. However, others like Microsoft Outlook or Yahoo Mail don’t. They hook directly into the service and can do things that third party clients simply can’t. For instance, Outlook has a Focused Inbox feature that sorts emails based on importance. It also integrates directly with Microsoft’s calendar service. Yahoo Mail includes features like Travel View, more granular notification options, and theming. If you have only one email and it’s not a Gmail account, you may want to consider using the official app so you can get the most out of it.

Bonus: OEM stock email apps

Price: Free (usually)

The stock email apps that come on phones actually do work pretty well. They usually support the basics, like multiple email logins, various email clients, forwarding, archiving, deletion, and more. Many are likely on this list looking for something more than that. However, the stock email apps on your device are usually about as simple, clean, and easy as it gets. Additionally, virtually none of them have ads, cost any money, or anything like that. Plus, they’re already on your phone anyway so they can’t take up any extra storage. It’s a good option if you need something super simple. Those who need power user features shouldn’t use these.

Thank you for reading! Try these out too:

If we missed any of the best email apps for Android, tell us about them in the comments! You can also click here to check out our latest Android app and game lists!

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4 open source Android email clients

Email is not on its deathbed, but most of it happens on mobile devices now.

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Even though members of the younger generations are trying to bury email as «communication for old people,» the reality is email isn’t anywhere near its deathbed. While collaboration tools, social media, and texting are important, they aren’t ready to replace email as an essential business (and social) communications tool.

Given that email isn’t going away and most of it is now read on mobile devices (according to a host of studies), having a good mobile email client is critical. If you’re an Android user who wants an open source email client, things get a little bit tricky.

K-9 Mail

K-9 Mail has been around almost as long as Android has—it originated out of a patch to the Android 1.0 email client. It has support for IMAP and WebDAV, multiple identities, attachments, emojis, and other typical email client features. Its user documentation offers help on installation, setup, security, reading and sending email, and much more.

K-9 is open sourced under the Apache 2.0 License with source code available on GitHub. It’s available for download on Google Play, Amazon, and F-Droid.

As its full name, «Pretty Easy Privacy» suggests, p≡p is focused on privacy and secure communications. It provides automatic, end-to-end encryption of emails and attachments (provided your recipient also has an encryption solution installed—if not, p≡p warns that your email will be sent without encryption).

You can access the source code (licensed under GPLv3) from GitLab and find documentation on the app’s website. Download p≡p for free on Fossdroid or for a nominal fee on Google Play.

InboxPager

InboxPager allows you to send and read email messages over the SSL/TLS protocol, which means you may need to do some tweaking if your email provider (e.g., Gmail) doesn’t turn that on by default. (Fortunately, InboxPager offers Gmail instructions.) It also supports OpenPGP encryption through the OpenKeychain application.

InboxPager is licensed under GPLv3 with source code available on GitHub, and it can be installed via F-Droid.

FairEmail

FairEmail takes a minimalistic approach to mobile email, focusing on reading and writing messages—without all the bells and whistles that risk slowing your email client. It supports multiple accounts and identities, message threading, encryption, and more.

It’s licensed under GPLv3 with source code available on GitHub. You can download FairEmail on Fossdroid; a Google Play version is available for people interested in testing the software.

There’s certainly room for other entries into the open source Android email client space (or for improving the ones above)—motivated developers, take notice. And, if you know of an application we missed, please share it in the comments.

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