Estimated from the grossing charts of Oct 23, 2026 in the 53 countries we track, and ratings growth on the App Store.
From our daily snapshots of every grossing chart and daily ratings counts.
| Sep 25, 2026 | not in a grossing chart |
| Sep 26, 2026 | not in a grossing chart |
| Sep 27, 2026 | not in a grossing chart |
| Sep 28, 2026 | not in a grossing chart |
| Sep 29, 2026 | not in a grossing chart |
| Sep 30, 2026 | not in a grossing chart |
| Oct 1, 2026 | $19.4K a month |
| Oct 2, 2026 | not in a grossing chart |
| Oct 3, 2026 | not in a grossing chart |
| Oct 4, 2026 | not in a grossing chart |
| Oct 5, 2026 | not in a grossing chart |
| Oct 6, 2026 | not in a grossing chart |
| Oct 7, 2026 | not in a grossing chart |
| Oct 8, 2026 | not in a grossing chart |
| Oct 9, 2026 | not in a grossing chart |
| Oct 10, 2026 | not in a grossing chart |
| Oct 11, 2026 | not in a grossing chart |
| Oct 12, 2026 | not in a grossing chart |
| Oct 13, 2026 | not in a grossing chart |
| Oct 14, 2026 | not in a grossing chart |
| Oct 15, 2026 | $1K a month |
| Oct 16, 2026 | not in a grossing chart |
| Oct 17, 2026 | not in a grossing chart |
| Oct 18, 2026 | not in a grossing chart |
| Oct 19, 2026 | not in a grossing chart |
| Oct 20, 2026 | not in a grossing chart |
| Oct 21, 2026 | $3.3K a month |
| Oct 22, 2026 | not in a grossing chart |
| Oct 23, 2026 | $4K a month |
| Oct 24, 2026 | not in a grossing chart |
| Oct 22, 2026 | 11.8K ratings |
| Oct 23, 2026 | 11.8K ratings |
| Oct 24, 2026 | 11.8K ratings |
Measured from the store, not estimated.
From the latest 290 reviews on the Japan App Store, Feb 15, 2019 to Oct 13, 2026: 6% are 1 or 2 stars. Open a theme to read what people wrote.
5 of the 1 and 2 star reviews.
★★★★★ I tryed to do a fraction thing but it was locked so I had to pay to work I am not wasting my money
★★★★★ They charged me for an annual subscription without notifying me or telling me they would.
★★★★★ A monthly charge for a basic calculations?
2 of the 1 and 2 star reviews.
★★★★★ They updated it, it's completely useless now
★★★★★ statistic is useless because it does not allow to measure improvement
Nothing stands out.
25 of the 4 and 5 star reviews.
★★★★★ Easy to use and gradually helps improve skill
★★★★★ having a quick easy tool to practice math that you can customize, is a game changer.
★★★★★ this good simple app to quickly get started doing math.
23 of the 4 and 5 star reviews.
★★★★★ I downloaded this game recently and is absolutely the MOST helpful math game ever!
★★★★★ I'd say this is very helpful if you're looking to brag with speedy mental math.
★★★★★ Easy to use and gradually helps improve skill
21 of the 4 and 5 star reviews.
★★★★★ A fan of this for the since 2023 & a premium member enjoying all features…😍Nice app highly recommended for improving your productivity 🥰
★★★★★ Fun math questions for seniors who have forgotten how to think without a calculator.
★★★★★ I like the practice math rounds; there is a lot to choose from and it is fun to navigate; never played the games though.
13 of the 4 and 5 star reviews.
★★★★★ It is great for expedite maths calculation speed and also they don't put ads in free version loved the app and im thinking about to upgrade it
★★★★★ As a college student though the free stuff is a bit below my level and a 80 dollar lifetime premium is just a bit too much to justify.
★★★★★ Wish free version had more to give .
10 of the 4 and 5 star reviews.
★★★★★ Ich benutze sie fast täglich.
★★★★★ It's tough to type fast with small keypad.
★★★★★ having a quick easy tool to practice math that you can customize, is a game changer.
Found by matching words and phrases in the reviews, not read by a person. A review can count toward more than one theme.
Latest reviews, Japan App Store.
Mathe Lernen hat mir schon oft eine gute Note verschafft, da man kleines Einmaleins und andere Sachen trainieren kann. Und genau das ist es was man jeden Tag machen muss. Weil wenn man seinen Kopf nicht anstrengt, dann wird man irgendwann dumm und mit Mathe lernen Streng ich gut meinen Kopf an und schreibe so bessere Noten. Also ich kann die App nur weiterempfehlen.
Five star
Alles kostet Geld
Die App ist grundsätzlich sehr gut und bietet viele Stoffgebiete. Ich würde mir jedoch noch eine Funktion wünschen in der die klassische 5 Fächer Methode unterstützt wird. Gekonnte Aufgaben kommen ein Fach weiter und werden mit jedem Fach seltener abgefragt. Nicht gekonnte kommen zurück ins erste Fach und werden häufiger abgefragt
It is great for expedite maths calculation speed and also they don't put ads in free version loved the app and im thinking about to upgrade it
Great app to help people you training mental math!
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Where this app is buying and earning its users. Each link opens pre filtered.
Most repeated terms in the listing. Highlighted ones also appear in the title.
Released May 2, 2017. Current version shipped Apr 11, 2026.
Prices, ranks and reviews are per country. Revenue above is already worldwide.
