DailyDiff: Synonyms & Nuance

One word difference a day

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

A fresh word pair at 4 AM your time, every day — and late-night answers still keep your streak alive. Master the subtle differences between English words — one pair a day. DailyDiff gives you two easily confused words every day (like Begin vs Start), each with a clean black-and-white illustration. Your job: explain, in English, how they really differ. An AI then scores your answer across five dimensions and reveals the model answer — so you learn something precise every single day. WHY DAILYDIFF • One focused puzzle a day — no endless feeds, no overwhelm • Write freely; get specific AI feedback, not multiple choice • Five-dimension scoring: accuracy, coverage, language, clarity, insight • A clear model answer with definitions, key differences, examples, and common mistakes • Build a daily streak and share a no-spoiler result card Perfect for English learners, ESL / TOEFL / IELTS prep, writers, and anyone who loves the nuance of words. One subtle difference a day. That's all it takes. DailyDiff Pro — Subscription Unlock past puzzles and more daily AI scorings with DailyDiff Pro, an auto-renewable subscription. • Monthly — $1.99 / month • Yearly — $12.99 / year (best value) Today's puzzle and a basic daily AI scoring are free. Pro is optional. Payment will be charged to your Apple Account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription in your Apple Account settings after purchase. Prices may vary by region. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dailydiff.vip/privacy

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- New puzzles now arrive at 4:00 AM your local time, wherever you are. - Late-night answers still count for the day before — your streak stays safe after midnight. - Fixed: coming back to the app could still show yesterday's puzzle. Today's puzzle now appears right away, even if the app stays open past 4 AM. - Fixed: a previous result could show up on a new day's puzzle. - Daily reminders now know more reliably whether you've already played.

The developer, LuYang Li, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    LuYang Li
    Size
    3.4 MB
    Category
    Education
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 2 more
    • English, Simplified Chinese, Traditional Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Snob