Practice mental arithmetic with various difficulty levels and custom modes. This app serves as a brain training tool to enhance calculation skills.






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Whether you want more options like HeyGrowth or a completely different take on the same concept, our curated list of 42+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.









Practice mental arithmetic with various difficulty levels and custom modes. This app serves as a brain training tool to enhance calculation skills.






Explore thousands of artworks and learn about their history and creators. Get daily inspiration with facts, stories, and artist spotlights. Personalize your device with art-themed widgets and wallpapers.


Acquire in-demand web3 skills through engaging short-form courses and earn cryptocurrency rewards and NFTs for your learning. This platform democratizes creative education, offering a path to financial freedom for aspiring freelancers and crypto enthusiasts.


This app serves as a supplementary learning tool to help users stay informed, focused, engaged, and motivated on their journey to obtaining the PMP certification. It is designed to support your preparation for the PMP exam.


Sharpen your mental math skills with this app offering a wide range of exercises from basic arithmetic to fractions and percentages. It features timed challenges, progress tracking, and customizable modes to suit all levels.


This app provides a highly accurate, professional-grade tuner for guitar and bass. It offers both a precise chromatic tuner for experienced musicians and a guided basic tuner for beginners, supporting over 30 tuning presets.


Master English with personalized lessons, vocabulary practice, and native speaker conversations. Improve speaking, listening, grammar, and cultural understanding at your own pace or with a dedicated teacher.


This app helps you retain more of what you read by centralizing and revisiting your highlights from various reading platforms. It uses spaced repetition and active recall techniques to improve memory and offers features like tagging, note-taking, and OCR for physical books.


Access and read your downloaded books offline on your iOS device. This app allows for note-taking, highlighting, and searching within texts, with a reading aloud feature. Sync your progress and annotations across devices and web platforms.