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Emerald Sequoia LLC will be shutting down at the end of 2023. Please see our blog post here.

Thanks for all of your support over the past 15 years!


Where to buy

app store logo
You can buy Emerald Sequoia's apps only at the App Store, which you access from iTunes® on your Mac® or PC or via the "App Store" application on your iPhone™ or iPad™ (or directly by clicking the icons below).

iPhone Apps


  Chronometer icon Emerald Chronometer (US $1.99)
  Geneva icon Emerald Geneva (Free)
  Time icon Emerald Time (Universal app, Free)
  Timestamp icon Emerald Timestamp (Universal app, US $0.99)

Universal apps run at full resolution on the iPad, iPhone, and iPod touch. Timestamp requires iPhoneOS 3.1 or later on the iPhone and iPod touch, and iPhone OS 3.2 or later on the iPad. The other apps require iPhoneOS 3.0 or later. None of these apps run on a Mac or PC.)

iPad Apps

  Observatory icon Emerald Observatory (US $0.99)

  Time iconipad Emerald Time (Universal app, Free)

  Timestamp ipad icon Emerald Timestamp (Universal app, US $0.99)

Universal apps run at full resolution on the iPad, iPhone. iPhone 4, and iPod touch. Observatory runs only on the iPad™ with iPhoneOS 3.2 or later. Timestamp requires iPhoneOS 3.1 or later. Time requires iPhoneOS 3.0 or later. None of these apps run on Mac or PC.)


Copyright © 2010, Emerald Sequoia LLC; last updated: 2010 July 27

Mac, iTunes, iPhone and iPod are trademarks of Apple Inc.