Abaco vs Amavit Abacus

Abacus Flash Mental Math Training The best flash mental math app to improve your calculation skills anytime, anywhere! Start practicing immediately with default settings or customize everything to your preference. Ideal for mental math competition prep, brain training, and improving math skills. A proven app experienced by over 20,000 users! Key Features: Two Practice Modes • Addition/Subtraction Mode: Step-by-step addition and subtraction practice • Multiplication/Division Mode: Systematic multiplication and division mental training Designed for Abacus Mental Math • Built-in difficulty adjustment algorithm prevents problems from becoming too easy • Subtraction problems are designed so answers never go negative • Division problems always result in whole numbers • Optimized for flash training, similar to abacus competition programs Convenient Customization • Addition/Subtraction Mode: 1-8 digits, 2-200 problems • Multiplication/Division Mode: 1-8 digits × 1-8 digits • Speed control (0.1s-30s) • Custom theme color support • Presets: save and load your favorite settings instantly Multi-language Support • 40+ languages: English, Korean, Japanese, Chinese, Spanish, German, French, and more • Intuitive interface for all languages Recommended for: • Teachers running abacus/mental math schools • Students learning abacus/mental math • Adults seeking brain training • All ages wanting to improve math skills • Those wanting to develop concentration and calculation abilities Experience amazing improvement in mental math skills with just a few minutes of practice daily! With your permission, install and usage events and an app-instance ID are sent to Google Analytics to measure app use and ad performance. No advertising ID or personalized ads. Optional; change this anytime in App Info.

Amavit is the platform for mental arithmetic teachers. Create groups, run lessons, assign homework, track results, and keep students motivated - all in one place. Free for teachers, with no limits. Signing up takes less than a minute. Your students and their parents join by your invitation, so you stay in control of your class from day one. FOR TEACHERS - Homework, done fast: assign to a whole group or a single student, set a schedule, and let the app check the work automatically. - Progress tracking: see individual and group results in real time, and know exactly who needs help. - Group management: run both group lessons and one-on-one work. - Student motivation: achievements and practice streaks keep learners coming back. - Less admin, more teaching: the routine work is handled for you, so you spend your time on instruction. FOR STUDENTS Children complete the homework you assign and practice freely through focused, playful games built around abacus (soroban) technique: - Addition and subtraction with Small Friends and Big Friends (UCMAS-standard methods) - Anzan (mental calculation), flashcards, and flash tests - Multiplication and division - Achievements and streaks that keep practice rewarding FOR PARENTS Parents follow along with clear, automatic progress updates and always know what their child is working on. SAFE BY DESIGN Amavit is built for a school setting. Children never register themselves and never handle payments - a teacher or parent sets up the account, and children sign in with a simple PIN. There is no advertising and no third-party data sharing. Amavit brings the full mental math loop - teacher to class to homework to practice to parent report - into a single app.