Today in the App Store -- the best free apps, new apps and app updates

Here are some of the best free apps, app updates and new apps that have landed in the App Store recently. All app prices are USD and subject to change. Some deals may expire quickly, so grab them while you can.

Apps Now Free

Calcbot — The Intelligent Calculator [iOS Universal; Now free, down from $1.99] Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad.

Gunship X [iOS Universal; Now free, down from $0.99] Take control of an AC-130 Gunship to defend humanity from invading hordes.

Frozen Synapse [iPad; Now free, down from $9.99] Frozen Synapse brings the simultaneous turn-based strategy genre bang up-to-date and lets you give detailed, accurate orders to your squad: classic gameplay with a modern interface.

Frozen Synapse [iPhone; Now free, down from $2.99] Frozen Synapse brings the simultaneous turn-based strategy genre bang up-to-date and lets you give detailed, accurate orders to your squad: classic gameplay with a modern interface.

Instastack for Instagram [OS X; Now free, down from $4.99] Instagram Mac desktop client. The most elegant way to browse Instagram on the Mac.

Tune Seeker [OS X; Now free, down from $0.99] Tune Seeker gives you playback control of iTunes right from your menu bar.

Apps On Sale

Table Tennis Touch [iOS Universal; On sale for $0.99, down from $3.99] If you like games that are fast, fun and challenging, and jam-packed with content and beautiful graphics, then you'll love Table Tennis Touch.

MathStudio [iOS Universal; On sale for $0.99, down from $1.99] MathStudio is the most comprehensive math app available for iPhone and iPad.

Records [OS X; On sale for $29.99, down from $49.99] he most innovative personal database app ever designed for the Mac.

Image Tricks Pro [OS X; On sale for $0.99, down from $9.99] Image Tricks Pro is a powerful photo editing application that utilizes Mac OS X Core Image filters and Quartz Compositions to transform your favorite photos.

New and Notable Apps

Alto's Adventure [iOS Universal; $1.99] Above the placid ivory snow lies a sleepy mountain village, brimming with the promise of adventure. Join Alto and his friends as they embark on an endless snowboarding odyssey.

Do Button by IFTTT [iPhone; Free] Do Button empowers you to create your own personalized button with just a tap. Save time and control the world around you with Recipes that connect your button to Philips Hue, Google Drive, Nest Thermostat, and hundreds of Channels you use every day.

Do Note by IFTTT [iPhone; Free] Do Camera empowers you to create your own personalized camera with just a tap. Save time and share your experiences with Recipes that connect your camera to Facebook, Dropbox, Evernote, and hundreds of Channels you use every day.

Do Camera by IFTTT [iPhone; Free] Do Camera empowers you to create your own personalized camera with just a tap. Save time and share your experiences with Recipes that connect your camera to Facebook, Dropbox, Evernote, and hundreds of Channels you use every day.

Updates you don't want to miss

Calcbot — The Intelligent Calculator [iOS Universal; Now free, down from $1.99] Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. Version 2.0 brings the following changes:

  • Completely revamped from the ground up for iOS8
  • New favorites system to replace cryptic memory keys
  • History tape is now visible in portrait mode alongside the calculator
  • Convert with over 500 units across 22 categories (In-App Purchase)
  • Instant access to scientific constants like Pi, Atomic Mass or optionally add your own
  • Sync your history tape and constants across iOS devices and now also with Calcbot for Mac
  • A total of 9 option themes not including the default. (In-App Purchase)

IF by IFTTT [iOS Universal; Free] Put the internet to work for you by IFTTT. Version 2.4.0 brings the following changes:

  • The IFTTT app you know and love is now called IF!
  • Enjoy a fresh new look for your IF Recipes
  • An updated IF app icon

Enpass Password Manager [OS X; Free] Using Enpass will solve all your password problems. Version 4.5.0 brings the following changes:

  • Enhanced security using SQLCipher AES-256 bit.
  • Autolock mechanism improved.
  • Items can be shared among Enpass users in non-readable format instead of plain text.
  • Strength indicators added to all passwords.
  • Can now generate pronounceable passwords.
  • Now saves last used password recipe and uses that on next password generation.
  • Sync now supports all major clouds (iCloud, Dropbox, OneDrive, Google Drive and Box ).
  • See your cloud account details on sync page.
  • See more precise sync timings as last attempted and actual sync done.
  • Only one cloud can be enabled for sync as we support all cloud on all platforms.
  • Default item fields can be deleted.
  • Reorder/hide/remove categories/folders in sidebar.
  • Operational language of Enpass can be changed from settings.
  • Item fields can be reordered.
  • Category of items can be changed.
  • Added subtitles in item list for quick glance of username/email/card numbers etc.
  • Subfolder support added.
  • Importing from other password managers is now automatic and quick.
  • Searching with-in items got better with deep-search.
  • More keyboard shortcuts added.