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Crimson Keyboard

By Doney den Ouden

This app is only available on the App Store for iOS devices.


Introducing a better way to type on iPhone. Crimson Keyboard is an iPhone exclusive keyboard that adapts to your writing style and provides smart, personal and contextual suggestions. It shows predictions directly above the keys you’re likely to tap next. Just swipe up on a key to complete the word.



“It really is the best iOS keyboard I’ve used.” — The Next Web
“Like the native iOS keyboard, but better.” — AppAdvice
“Predictive typing without that annoying suggestion bar.” — iDownloadBlog
“I absolutely adore Crimson.” — BeautifulPixels
“One of the smartest keyboards so far. (...) We're deeply impressed.” — iCulture



• Beautiful Design
The native design is refined and improved with delightful animations and a clear shift key. Subtle translucency, click sounds and an automatic contextual dark mode make Crimson feel right at home on your iOS device. The Smart Spacebar provides access to punctuation marks at just the right moments. You can even customize Crimson with different tint colors.

• Smart Predictions
Crimson is powered by Adaptxt, an intelligent prediction engine that learns the words you use and predicts words you're likely to write next. You can even use multiple languages simultaneously, and Crimson will automatically switch between them¹. Learning happens locally on your device, without information being transmitted over the internet. Your privacy is important to us.

• Custom Emoji Keyboard
Crimson comes with its own emoji keyboard, which makes switching to and picking emoji lightning fast. Your skin tone selection is automatically applied to all emoji in the keyboard.

• Passive Correction
Forgot a space or made a typo? Instead of unsolicited auto corrections, Crimson suggests corrections above keys. Just like predictions, swipe up corrections displayed in red to insert them. Still prefer auto correction? This can be enabled in the settings.



Supported devices: iPhone and iPod touch devices running iOS 8 and above.

Supported languages for Predictive Typing:
• Danish
• Dutch
• English (UK)
• English (US)
• Finnish
• French
• German
• Italian
• Norwegian
• Portuguese (Brazil)
• Portuguese (Portugal)
• Spanish
• Swedish

*Note: to use a language other than English (US), Full Access must be enabled.*

Supported keyboard layouts:
• Danish
• Dutch
• English (Canada)
• English (UK)
• English (US)
• Finnish
• French (France)
• French (Canada)
• French (Switzerland)
• German (Germany)
• German (Switzerland)
• Italian
• Norwegian Bokmål
• Portuguese
• Spanish
• Swedish

Have questions or issues? Check our website and feel free to contact us on Twitter. (@UseCrimson)

¹The amount of dictionaries you can install at one time differs per device. The iPhone 6 (Plus) or newer have a maximum of 3; the iPhone 5, 5c, 5s and iPod touch have a maximum of 2; the iPhone 4S can only install one dictionary.

What's New in Version 1.6

Support for all the new iOS 10.2 emoji—including bacon, avocado, selfie, facepalm, and a ton of new professions! Some of the emoji categories have been reorganized.

iPhone Screenshots

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Customer Reviews

Absolute Best for Polyglots

I am simply amazed at how well this keyboard copes with so many languages at a time, even on the same line! It is the absolute best, hands-down.

The way its suggestions and autocorrect work is also simply super intuitive and equally convenient.

My only qualm is not being able to wipe the personal dictionary all in one go. I hope that gets added eventually.

Best 3rd party keyboard, hands down… Just needs some tweaks for 5 stars

Crimson is easily the best 3rd party keyboard (of course, IMHO). Nearly zero learning curve with a familiar keyboard layout.

With the latest update, which includes awesome new features like pluralizing with swipes, quicker access to frequently used punctuation, and emoji, I have upped my review to five stars.

Now if only Apple would allow the dictation microphone to appear with 3rd party keyboards...

I only wish there were more frequent updates. Things seem a bit stagnant.

Love It!

Needs some tweaking, but love the keyboard! Brings me back to my Blackberry days! Hope developer will continue to perfect this!

Crimson Keyboard
View in iTunes
  • $0.99
  • Category: Utilities
  • Updated:
  • Version: 1.6
  • Size: 93.6 MB
  • Languages: English, Dutch, German
  • Seller:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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