Slang offers an unrivaled range of specialized and professional English courses for career development. Our adaptive English learning app optimizes your learning experience in real time, getting to know you as a learner and presenting you with the right kind of practice at the right moment based on what you individually need. Our goal is to help you go beyond basic English and unlock your potential by making English-language knowledge around the world accessible to you.

You can study "Basic English" forever for free, or subscribe to Slang Pro for unlimited access to all Slang courses and features. If you’re a new user, you’ll receive a free 7-day trial to Slang Pro and get a chance to explore the wide variety of professional English courses we offer.



• Study only what you don’t know: Forget one-size-fits-all solutions, and stop wasting time. Slang builds you a personalized learning experience so that you study only what’s new for you.

• We make things easy for you: We provide you with translations and explanations in your native language while building towards total immersion.

• Reach fluency quickly: Our adaptive technology measures your proficiency in real time and selects the optimal study material and activities, helping you go faster.

• A lifelong learning companion: Slang syncs your knowledge across all English courses, so you can easily study new topics and rapidly advance along your career path.

• A comprehensive solution: Our wide variety of exercises helps you master all four language skills: reading, writing, listening, and speaking.



Slang Pro is the solution for learning professional English. It’s available as an in-app purchase with a monthly or annual auto-renewing subscription. Payment is charged to your iTunes account at confirmation of purchase and Slang Pro automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Accounts will be charged for renewal within 24 hours of the end of the current period. Your Slang Pro subscription may be managed or cancelled in your account settings after purchase. Any unused portion of your account's 7-day trial will be forfeited upon subscription.

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What’s New

Version 1.4.0

Our SOFT SKILLS courses, new in this release, teach effective communication strategies to navigate common business situations, with vocabulary like:

• BIG PICTURE: panorama general
• THOUGHT LEADER: líder de pensamiento
• GO ABOVE AND BEYOND: ir más allá


As always, we’ve also included app updates to improve your learning experience!

Ratings and Reviews

5.0 out of 5
18 Ratings

18 Ratings

Caralanademesa ,

The most helpful app to learn English!

I have been using this app to improve my vocabulary and grammar and 3 months later I can say it’s soooo effective! I love it, I totally recommend it!

Diani M ,

I love it!

Great app! It’s very easy to use and very helpful!

Mike Bahia ,

Amazing app!

This application is amazing! It's a must use.


Lengio Corporation
13.9 MB

Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Spanish

Age Rating
In-App Purchases
  1. Slang Pro, 1 month $14.99
  2. Slang Pro, 1 year $149.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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