Features & Capabilities

Fastdic - Fast Dictionary is a Chrome extension that combines a robust English-Persian translator with a comprehensive dictionary. With over 7 million monthly users, it offers both online and offline access to a database of more than 250,000 words and 100,000 example sentences. It includes AI features to improve grammar, paraphrase, expand or summarize text, and adjust tone and style. Additional tools cover voice and image translation, synonyms/antonyms, POS, phonetics, and word history.

It also supports cross-language translation across English, Persian, German, Italian, Spanish, French, Arabic and Turkish; features a word-of-the-day widget, favorites and share options, light/dark mode, and a one-time-purchase model with no auto-renew—premium features unlockable without ongoing subscriptions. The extension primarily relies on offline access for the dictionary and online translation for the rest, delivering a fast, simple experience.

User Growth & Download Statistics

Contact the developer

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Developed by:
Fast Dictionary Limited
Apple Apps Store
https://apps.apple.com/us/app/fastdic-fast-dictionary/id434135994
Website:
https://fastdic.com

User Reviews

Users praise Fastdic for its ease of use and rich content (definitions, synonyms, antonyms, phrases, proverbs, examples, accents), plus features like word of the day and Persian language support. However, recurring concerns include intrusive ads (even after payment), translation limit issues, audio inconsistencies (missing Persian audio), and performance problems after updates. Overall, it's highly valued for content and usefulness, but ad experience and reliability need improvement.
Pros
  • Easy to use and user-friendly interface.
  • Rich, multi-part word data: definitions, synonyms, antonyms, phrases, proverbs, examples, and accents.
  • Word of the day feature.
  • Strong Persian language support (Iranology).
  • Text translator feature praised by users.
Cons
  • Ads are intrusive and persist even after paying to remove them.
  • Translation tool can misreport usage limits or be unreliable at times.
  • Audio issues: Persian audio is missing or playback can stop.
  • Performance problems after updates: battery drain and crashes on macOS.
Recent reviews
باگ داره توی ایفون، وقتی که یه لغت رو سرچ میکنی و بعد میخوای روی لغت دوم بزنی ، کیبورد باز نمیشه….
by سی*****, 2026-05-29

Best English to Persian dictionary period.
by AK*****, 2026-05-28

I can’t describe how happy I am with Fast Dictionary. It’s not a day I go without referring to your application. Amazing and easy to use. Thank you 🙏🙏♥️
by Na*****, 2026-04-30
View all user reviews ›

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