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Review: GBoard and Word Flow Keyboards for iPhone

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May 13, 2016, 3:15 PM   by Eric M. Zeman   @phonescooper

Editor's Choice
GBoard by Google

Google and Microsoft have fielded new keyboard apps — GBoard and Word Flow, respectively — for the Apple iPhone. GBoard includes search tools, while Word Flow lets you create your own themes. Here is a quick rundown on these alternative keyboard apps for iOS users.

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Google and Microsoft have both recently made keyboard apps available to the Apple iPhone. Each brings key features to the iPhone, such as swipe typing and word prediction, but GBoard and Word Flow have a few differentiating factors that give them some serious personality. The first third-party keyboards for iOS underwhelmed, but it's been a while. Is it worth ditching Apple's keyboard for one of these new alternatives? Let's find out.


Apple began allowing iPhone owners to use third-party keyboards with the September 2014 release of iOS 8. Swype and Swiftkey — long players on Android devices — were quick to jump into the ring and offer alternatives to the stock iOS keyboard. These alternatives are still available. However, there were and still are some limitations in place that keep third-party keyboards relegated to second-class status on the iPhone.

Stock Keyboard

Stock Keyboard

First and foremost, Apple has decreed that third-party keyboards — including Google's GBoard and Microsoft's Word Flow — cannot include voice dictation. That's because in iOS, third-party keyboards are a special category of app that's restricted in a few ways, including no access to the microphone. The lack of voice dictation support within these keyboards is a major bummer.

Second, setup is a bit of a pain, and, because of the way Apple structures iOS, third-party keyboards don't always show up when you want them to.

The setup process requires you to install the keyboard, then use the settings tools to turn it on and add it to the list of supported keyboards on the iPhone. Once you've done this, touching the little globe symbol on the keyboard lets you select the keyboard you want to use in a given app. Great.


For whatever reason, Apple insists on using the stock iOS keyboard app any time passwords are required. You see, third-party apps may collect data on the words you type, and Apple wants to be sure third-party companies don't track your password. It's a legitimate security concern, but the result is a disjointed experience. If you're using Safari, for example, you can use GBoard or Word Flow to type in web site names or searches, but if you want to sign into an online account, suddenly the stock keyboard shows up instead. It's annoying. When you go to type in the address bar again, GBoard or Word Flow will return.

The voice dictation issue and constantly-returning Apple keyboard issue are something all third-party keyboard apps must contend with, which is why I'm mentioning it here. Hopefully these are things Apple will address some day.

For comparison sake, Google's Android platform has supported third-party keyboards for years. Further, once you've set a third-party keyboard to be the default keyboard you'll never see the original keyboard again unless you want to.

Basic Performance

I dig both the Google and Microsoft keyboards, as they manage to nail the essential tools.

GBoard looks like a mashup between the stock iOS keyboard and the Google keyboard for Android. The big difference is the large "G" search tool in the upper-left corner. The keyboard offers plenty of room for each key, which means it's easy to use with both thumbs if you want to type that way.



From my perspective, the biggest reason to use this keyboard rather than the iOS keyboard is because it supports swipe (gesture typing). Swiping requires users to place and hold their finger on the screen and move from key to key all while maintaining contact with the screen. Words become patterns, and the software can account for words with two of the same letters, and so on. I find swipe input very useful on Android devices, especially for one-handed typing. GBoard's swipe function works very well. It's accurate enough that I didn't have to do too much editing after writing a sentence.

Moreover, GBoard's word prediction is excellent. It shows three suggestions as you swipe. Lift your finger off the keyboard to select the middle suggestion, or swipe to the left or right suggestions to send them into the text box. GBoard then automatically suggests three words that you might type next. You can peck out entire sentences by using just the word predictions, if you're lucky. Word prediction is just as good if you're typing with both thumbs.

I really like the "." key. A long press opens a strip of additional characters that includes a comma, question mark, slash, parentheses, number symbol, and exclamation point. Having these close at hand is appreciated.

Word Flow's performance is similar, as far as these basics are concerned. Microsoft's keyboard app definitely does not look like the stock keyboard at all. It relies on a different set of fonts and background colors. Word Flow is not as tall as the stock keyboard, and I find this slightly problematic for one reason: the smaller individual keys are harder to hit when typing with both thumbs. I found I had pressed the wrong key far too often when typing normally, which meant I had to do a bit more editing.

Word Flow

Word Flow

Word Flow's swiping performance is excellent. The trail looks nice, and the more compact nature of the keyboard becomes a bonus: it's quicker to snake your thumb around the smaller area. Accuracy is top notch, with the odd mismatch being relatively rare. Word Flow's prediction powers are also quite strong. It shows three potential words while typing, and then three follow-up words that might be used next. Simply tap the predictions to send them to the message.

Word Flow's "." key only includes a comma, exclamation point, and question mark as secondary options.

Neither keyboard includes an "@" symbol on the primary page, meaning you have to toggle to the number/symbol keyboard to use it. The arrangement of the numbers/symbols is identical to that of the stock keyboard. That's smart thinking, because people get used to key placement over time.

GBoard Extras

Beyond its excellent performance as an actual keyboard, Google gave GBoard some serious extras that make it one of the best keyboards for the iPhone.

Google built search right into the keyboard. Press the big "G" and up pops a search bar. You can search for anything you want. The real magic is what Google allows you to do with the results. For example, I searched for a nearby restaurant. I was able to tap the results and instantly insert them into the message I was typing. The details included the name, address, phone number, and Google Maps link. Awesome. You can insert any search result into your message, such as movie theaters and times, store hours, maps, and more.


Before GBoard, iPhone owners seeking to find info and share it via message had to leave the message app, go to Google Search, then find some way to transfer the results to the message, usually via copy-and-paste. GBoard takes care of all that, and you never have to leave your messaging (or email, or whatever) app.

The search tool can also return results in emoji and GIFs. Using the emoji search tool I was easily able to find a wide variety of emoji by description; no more scrolling through the emoji list forever. This is very helpful. Adding GIF support is just a bonus that makes messaging that much more fun.