★★★★★Omotoyosi Ayesorov3.0.16 Sept 2026
am humble person
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★★★★★Oluwadamilare Opeyemi22 Aug 2026
Good
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CompareOpen in Google Playam humble person
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Well, this is not a very clever app. You are the one that gives the app the answer. By adding the two digits and subtracting it from the number memorized.The number is attached to a symbol. Instead of looking at the number, your concentration is on the symbol...
1 people found this helpful
Amazing
Good
good
someone tell me please what's going on
fantastic
Font should be changed to some formal one, as early as possible.
i like this app
From 135 saved reviews since 29 Mar 2021, all countries.
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Share of the 115 positive reviews that mention it
“Very nice app, finally I've found out how it works, it's just a simple mathematical trick (multiples of x) I won't expose how it works, so every new users ca…”
“user experience and graphics are also great.”
“Very nice app, finally I've found out how it works, it's just a simple mathematical trick (multiples of x) I won't expose how it works, so every new users ca…”
“I think that the calculation used is very small due to its formula..0 up to 9 =0..”
A drop after an update usually means the update broke something.