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Flask

We make apps for iPhone, iPad and Apple Watch


Zones

Best Of 2016 App Store

Heart rate zone tracking & visualizing app
for iPhone and Apple Watch

More

Zones


FitPort

A simple and elegant fitness dashboard
for iPhone

More

FitPort


Ermine

Monthly Calendar & Widgets
for iPhone and iPad

More

Ermine


Hops

Gamified activity tracker!
for iPhone

More

Hops


Standland

Best Of 2016 App Store

Your new motivation to stand up
for iPhone and Apple Watch

More

Standland


Timesheet

The best and easy time tracking app
for iPhone and Apple Watch

More

Timesheet


Cube
Period Tracker

Little Cubes Will Tell Your Next Cycle
for iPhone

More

Cube


Coyomi

A tiny monthly calendar
for Apple Watch and iPhone

More

Coyomi


Timelet

A world clock and time zone converter
for iPhone

More

Timelet


About Flask

Flask LLP was founded in 2013.
We make apps for iPhone, iPad and Apple Watch
We are a small team of two working in Tokyo, Japan.

Hideko Ogawa

Software Engineer
@aqubi

Takako Horiuchi

Product Designer

Contact

We appreciate your interest in Flask. We do read every single email and respond when necessary.

support@flaskapp.com