MENTIS by ZERO

Memory, math & English words

Free · Designed for iPad. Not verified for macOS.

27 brain trainers, a daily workout, 2,800 English words with examples and memory hints, and 300+ verified facts. Free, no ads, works offline. MENTIS is a calm, elegant trainer for your mind. A few minutes a day to remember more, count faster, read quicker and build your vocabulary without cramming. 27 BRAIN TRAINERS Memory, attention, mental math, reading speed, language and logic: Schulte tables, Stroop color test, number memory, word blocks, anagrams, memory cards, flanker arrows, field of view, running words, speed-reading test and many more. Three difficulty levels, scores and personal records. DAILY WORKOUT Every day MENTIS picks four trainers for the skills you train least. One tap and you're done in ten minutes. WORD RECALL Words appear one by one: memorize them and recall them in order. Choose 10 to 300 words, the type of words and the speed. Type them yourself (small typos still count) or pick from five options. MENTAL MATH Numbers with + − × ÷ flash by one after another: give the final total. After each answer you get a step-by-step solution and a tip for counting faster. WORDS 2,800 of the most common English words with spaced repetition like in Anki. Every word comes with an example sentence and a memory hint. Pronunciation, your own words and lists, and a searchable dictionary. KNOWLEDGE Short articles with mental math and memory techniques, each with a "Try it" button that opens the right trainer. Over 300 verified fun facts, each with a link to its source. PROGRESS XP, levels and ranks from Apprentice to Genius, six brain skills, daily streaks and records. FIVE THEMES Study, Paper (light), Emerald, Midnight and Bordeaux. • Completely free, no ads • Works offline • No sign-up: your data stays on your phone • 7 languages: English, Russian, Spanish, Portuguese, German, French, Turkish

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

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    Information

    Seller
    Daniil Sudarev
    Size
    22.3 MB
    Category
    Education
    Compatibility
    Requires iOS 15.0 or later.
    • iPhone
      Requires iOS 15.0 or later.
    • iPad
      Requires iPadOS 15.0 or later.
    • iPod touch
      Requires iOS 15.0 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 ZERO
  • Developer Website
  • Privacy Policy