Out of 245+ slang dictionary apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
Discover the meanings of thousands of slang terms, acronyms, and abbreviations. This free app provides definitions, examples of use, and popularity ratings, helping you understand and use modern language effectively. It's fully functional offline and updates daily.
Access a vast collection of user-submitted definitions for slang and non-slang words. Search, vote on definitions, and discover new words with daily updates. Share interesting terms easily with friends.
What We Love
🤩 Entertaining and informative
👍 Useful for understanding slang and new terminology
Explore the meanings and origins of over 61,000 idioms, slang terms, proverbs, and expressions. Understand conversational English like a native speaker with definitions, historical context, and example sentences.
What We Love
👍 Simple design, easy to use
🚀 Accurate results
👍 Useful for understanding idioms
👍 Helpful for non-native English speakers
Room to Improve
🐛 Impossible to read text due to background issues
🐛 Ads still show up despite paid subscription
🔧 Needs more advanced features like translations, audio, and contextual information
What are the best slang dictionary apps for iPhone?
Slang Dictionary tops our slang dictionary apps ranking as of August 2026, with a 4.1-star average from 41 App Store ratings, and it's free to download.
Are there free slang dictionary apps for iPhone?
Yes — 16 of the top slang dictionary apps we rank are free to download, including Slang Dictionary and Urban Dictionary.
Does Slang Dictionary have ads or in-app purchases?
Slang Dictionary has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
How many slang dictionary apps are on the App Store?
We track 245+ slang dictionary apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
What does the Slang Dictionary app do?
The Slang Dictionary app allows users to look up the meanings of thousands of slang terms, acronyms, and abbreviations. Each entry includes a description, an example of its use, and information on how it's commonly used.
What are the key features of the Slang Dictionary app?
Key features include a vast database of slang terms, daily content updates, popularity ratings for terms, example uses, a full search and browsing capability, offline functionality, and an option to save favorite terms.