Brain Training - Rusty

Mental Math, Focus & Speaking

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

Train your mind, not just your memory. Improve mental math, articulation, focus, and critical thinking with daily challenges and benchmarks. Rusty is a brain training app designed to sharpen the skills that matter most in an AI-driven world. Most apps focus on memorization. Rusty focuses on thinking. Train key cognitive abilities through daily exercises, benchmarks, and challenges designed to improve: • Mental Math • Critical Thinking • Verbal Fluency • Articulation • Focus & Concentration • Problem Solving FEATURES Mental Math - Improve speed, accuracy, and confidence with increasingly challenging mental calculations. Articulation Training - Practice speaking clearly and expressing ideas effectively. Receive AI-powered feedback on clarity, structure, and communication. Verbal Fluency - Strengthen your ability to think and communicate under pressure. Progress Tracking - Track your growth over time and measure improvements across different cognitive skills. Daily Challenges - Build consistency with short daily training sessions designed to fit into your routine. WHY RUSTY? Technology makes many tasks easier, but it can also reduce opportunities to actively think, calculate, and communicate. Rusty helps you keep your mind sharp through deliberate cognitive practice. Whether you’re a student, professional, entrepreneur, or lifelong learner, Rusty gives you a structured way to train the mental skills you use every day. Download Rusty and start training your brain today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

  • 5.0
    out of 5
    2 Ratings

The developer, FOUR STAR GROUP INC, 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 Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info
    • User Content

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data

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

The developer indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • Dark Interface

    • Differentiate Without Color Alone

    • Sufficient Contrast

Information

Seller
  • FOUR STAR GROUP INC
Size
  • 23.3 MB
Category
  • Education
Compatibility
Requires iOS 26.5 or later.
  • iPhone
    Requires iOS 26.5 or later.
  • iPad
    Requires iPadOS 26.5 or later.
  • Mac
    Requires macOS 26.5 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 26.5 or later.
Languages
  • English
Age Rating
13+
  • 13+
  • Learn More
  • Frequent
    Contests

    Infrequent
    Cartoon or Fantasy Violence
In-App Purchases
Yes
Copyright
  • © 2026 FOUR STAR GROUP INC
  • Developer Website
  • Privacy Policy

    • More by FOUR STAR GROUP INC