ddxof:  mobile app

View algorithms on the go with the ddxof mobile application. Available on iOS and Android.


Use advanced search features to quickly find the algorithms you need


Save commonly-used algorithms to an easily accessible list with "Favorites"


Share your favorite algorithms with friends. The application integrates with Twitter, Facebook, Email, and more


Sort algorithms by categories and tags

 ddxof:  download now


The ddxof: mobile application is now available on iOS and Android. I'll be releasing regular updates focusing on stability, offline caching, and adding new features. Please give the app a rating or leave feedback and I'll try to work on highly-requested features.

Change Log

Version 3.6.1: 1/17/19
Interactive Algorithms: walk through step-by-step guides of selected algorithms
Enhanced Sharing: save images to your photo library or share directly as a text, email or on social media
Improved Performance: under-the-hood optimizations for notable enhancements in speed and stability
Version 3.1.5: 5/21/18
Push notifications for new content
Performance enhancements application-wide
Consolidated refresh function, refresh all contents simultaneously
Smoother animation (NativeDriver)
Stability improvements, fixed bug with JSON parsing error
Version 3.0.1: 4/21/18
Fixed swipe interaction on Favorites List
Version 3.0: 4/7/18
Favorites: You can now mark algorithms and posts as favorites, they’ll be saved to your device for offline use and are searchable.
Improved performance: Multiple behind-the-scenes enhancements to ensure that access to algorithms is uninterrupted.
Improved search: Optimized search to help you find the algorithm you need quickly.
Version 2.4.2: 2/17/18
Improved search
Version 2.4: 2/14/2018
Upgraded package dependencies
SQLite storage
Visual enhancements: revised header
iPhone X support
Version 2.3.2: 2/3/2018
Targeting Android , performance enhancements
Version 2.3: 1/28/2018
Bug fixes
Server-side caching to improve performance (>50% faster reloads)
Version 2.2: 1/22/2018
View all algorithms for posts with multiple
Read articles that don’t contain an algorithm
Tap screen on single algorithm view to hide options
Version 2.1: 1/2/2018
Lengthened baseline cache duration.
Full-size images cached
Pull-to-refresh for Recent and Search
Version 2.0: 12/29/2017
Similar appearance, code completely rewritten (by me!)
The application now shows a loading indicator during all loading screens
“Recent” screen shows 10 most recent posts (instead of waiting to load all), supports pull-to-refresh
Improved offline caching of images on post-list pages
“Favorites” feature removed, will be added later
Version 1.0: 11/29/2017
Initial release

Upcoming Features

  • Display high-resolution or vector images
  • Add to favorites feature
  • Scrolling header (to provide more space for content)
  • Display multiple algorithm navigator when post contains multiple algorithms
  • Link to posts without algorithms
  • Improve state indicators across app (ex. loading)
  • Offline caching of images
  • Live update