RN Designs
5 devices
Available to install from
the Fitbit mobile app
This app requires a payment that is managed by the developer in-app.
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See our existing creations here:

See our virtual store for discounts, bundles and yet-to-be released creations:

The app is free to trial for 1 minute after which it requires a one-time payment via Kiezelpay of $0.99(Additional fees may apply).

Key features:

‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎‏‏‎ ‎ ‎➤ Virtually unlimited math "questions"

‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎‏‏‎ ‎ ‎➤ Progressive difficulty with level based progression

‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎‏‏‎ ‎ ‎➤ Difficulty increases every 10 levels

‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎‏‏‎ ‎ ‎➤ For every 5 correct answers in a row a level is gained

‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎‏‏‎ ‎ ‎➤ Statistics tracking (Tap the level / lives in the upper part of the screen)

‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎‏‏‎ ‎ ‎➤ OLED Friendly :)

To ensure that the game will work as intended, please make sure to update your device to the latest firmware version available.

To purchase, please follow these simple steps:

1. Go to

2. Enter the code displayed on your watch and follow the steps shown on the page

Already purchased? Go here:

If you are not satisfied with your purchase, you can issue a refund by following the instructions provided here: .

This application requires the following permissions:

‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎➤ Internet: Required to validate the app license and generate payment code if needed.

Icon designed by @sentavio -

Tags: mathematics, brain fitness, increase iq, intelligence, smart, quick, fast math

This app requires a payment that is managed by the developer in-app.

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