AppRecs review analysis
AppRecs rating 4.0. Trustworthiness 55 out of 100. Review manipulation risk 44 out of 100. Based on a review sample analyzed.
★★★★☆
4.0
AppRecs Rating
Ratings breakdown
5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%
What to know
⚠
Questionable review patterns
44% review manipulation risk - some review patterns appear unusual
⚠
Unusually uniform ratings
100% of sampled ratings are 5 stars with very little variation
About Vertical abacus
Vertical abacus for children and ederly with montessori colors to learn the numbers easy and fun.
- Touch to put or remove balls in the abacus
- When you reach 10 balls you have to remove all of the column and add one to the next to the left. The balls move to warn you that you have 10.
- Touch sign to change add and subtract
- Touch box for random number or reset
- Touch right or left arrow to add or remove a unit
- Press and hold the right or left arrow to fast forward or rewind
- Learn the concepts of:
---- Units
---- Tens
---- Hundreds
---- Thousand units
---- Tens of thousands
- Learn to add and subtract
- Button to check the result
- Touch to put or remove balls in the abacus
- When you reach 10 balls you have to remove all of the column and add one to the next to the left. The balls move to warn you that you have 10.
- Touch sign to change add and subtract
- Touch box for random number or reset
- Touch right or left arrow to add or remove a unit
- Press and hold the right or left arrow to fast forward or rewind
- Learn the concepts of:
---- Units
---- Tens
---- Hundreds
---- Thousand units
---- Tens of thousands
- Learn to add and subtract
- Button to check the result
