Learn addition and subtraction using a virtual abacus, also known as a Soroban. This app helps you develop mental calculation skills, enabling you to perform calculations without physical tools.
What We Love
- 👍 Beginner-friendly and easy to use
- 🚀 Quick to learn basic concepts
- 📚 Clear and simple explanations
- 🎯 Effective teaching methodology
- 💰 Free with no ads
- 🎮 Fun and engaging learning experience
- 🔊 Good audio/visual feedback
- 📱 Works well on mobile devices
- ✨ Helps with arithmetic skills
Room to Improve
- 🌐 Poor English translation quality
- 📖 Lessons sometimes hard to read
- ❌ Cannot skip levels
- ⚡ Difficulty progression too steep
- 🐛 App closes accidentally on iPhone when swiping
- 📝 Confusing problem presentation format
- 🔤 Misspelled words in instructions
- 🎓 Limited long-term learning value






















