Thai Alphabet Tutor - ABC Quiz Negative Reviews

Learn a new language with the world’s most-downloaded education app! Duolingo is the fun, free app for learning 40+ lang...

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Meet Headway — #1 most downloaded book summary app! We summarize key ideas from the world’s nonfiction bestsellers so yo...

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Star Walk 2 is an exquisite stargazing app enabling you to explore the night sky through the screen of your device. Make...

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Child developmental milestones from 18 months to 8 years. Older milestones will be added as they are ready. These are th...

Point your iPhone or iPad like a magic lens into the night sky, and see in real time what stars, planets, and constellat...

You can teach yourself 500 basic English words using pictures in this little game. To play just find and tap on all mat...

* Calculate value and greeks for European and American options * Build real-time graphs * Build secondary graphs, like v...

Option - is a new calculator for european and american options. The app has been specifically developed to efficiently p...

Spanish IQ - Your Gateway to Unlocking the American Dream in Spanish! Did you know that Ernest Hemingway, one of Americ...

You can teach yourself 500 basic Portuguese words using pictures in this little game. To play just find and tap on all ...

In order to read Chinese you need to know more than 3000 characters. But don't be scared, all these characters are made...

* Build interactive graphs of the probability density function (PDF) the cumulative distribution function (CDF) for nor...

* Build interactive graphs of the cubic function (y = ax³ + bx² + cx + d) * Solve cubic equations (ax³ + bx² + cx + d = ...