Apps like Abacus Lesson

Here are some great alternatives to Abacus Lesson by Hirokuma.App :
Mental Abacus Expert
Mental Abacus Expert
★4.0
KoAbacus - Mental Arithmetic
KoAbacus - Mental Arithmetic
★4.5
Know Abacus
Know Abacus
★4.4
Soroban Flash Anzan  Challenge
Soroban Flash Anzan  Challenge
★4.2
Abacus Practice
Abacus Practice
★3.6
Abacus Counting Frame
Abacus Counting Frame
★4.7
Max Abacus
Max Abacus
★4.3
Simple Soroban
Simple Soroban
★4.9
Flash Anzan Soroban Trainer
Flash Anzan Soroban Trainer
★5.0
Speed Math Mental Quick Games
Speed Math Mental Quick Games
★4.5
Math for 1st Graders
Math for 1st Graders
★3.9
Exatest Arithmetic Speed Drill
Exatest Arithmetic Speed Drill
★5.0
Mental arithmetic (Math)
Mental arithmetic (Math)
★4.6
Mental arithmetic for adults
Mental arithmetic for adults
★4.5
Mental Math Master
Mental Math Master
★4.9
Twinkl Rapid Math Practice
Twinkl Rapid Math Practice
★4.7