Today’s Apps Gone Free: Flux Vortex, Knots 3D, FileCalendar and More

Create fractal patterns, learn how to tie knots, and attach important documents and photos to events with today’s collection of apps and games.

All app prices are subject to change at any time and without notice regardless of stated free duration. Price changes are solely under the control of the developers.

iPhone:

IDEAZ – Keep your ideas in one place ($0.99 → Free, 1.8 MB): Keep all of your amazing, and not so amazing, ideas in one place with this productivity app. Anyone who has a lot of thoughts streaming through their head.

Just swipe down to add a new idea to your list. You’re able to add a limited amount of text to your new entry along with a color or photo. You’re also able to attach audio or freely draw on the screen. Your ideas can be rearranged by holding and dragging them into place. You can also edit and share ideas with left and right swipes.

IDEAZ – Keep your ideas in one place is available for free for a limited time. It has a 3.5-star rating with a total of 58 ratings.

Universal:

FileCalendar ($1.99 → Free, 4.9 MB): Attach important documents and photos to events with FileCalendar. Business professionals.

FileCalendar was designed with power users in mind. It syncs with the native iOS calendar to pull in all of your events. You can then create a new event or go to any event and attach files, notes, and contacts. Files can be shared from FileCalendar to other apps as well. FileCalendar allows you to edit documents, edit events, zip and unzip files, and take photos with a built-in camera. It supports more than 20 file types in all.

FileCalendar is available for free for a limited time. It has a 4.5-star rating with a total of 100 ratings.

Knots 3D ($1.99 → Free, 81.5 MB): Learn how to tie 121 different types of knots with this detailed reference app. Almost everyone will find Knots 3D to be handy at some point.

With Knots 3D, anyone can learn to tie a knot. You’re able to watch each knot tie itself, and you can pause or adjust the speed of the animation at any time. You can also rotate each knot 360 degrees, and zoom in using multitouch gestures. Knots can be broken down by category or class, and they can be added to favorites for quick reference.

Knots 3D is available for free for a limited time. It has a 5-star rating with a total of 3755 ratings.

Flux Vortex ($1.99 → Free, 5.2 MB): Create fractal patterns with Flux Vortex. Those who need to relax.

Flux Vortex provides a positive way to unwind. Just put your finger to the screen to manipulate the fractal patterns. The art is in constant motion, allowing for endless creations. You’re able to pause the action and capture a screenshot of your work at any time.

Flux Vortex is available for free for a limited time. It has a 4.5-star rating with a total of 15 ratings.

That concludes today’s issue of Apps Gone Free. If you like staying on top of these daily deals, don’t forget to check out our free AppsGoneFree app. It provides all the deals each day, and even an archive of past deals that are still active.

Developers:

If you are a developer who would like to get your app included in our “Apps Gone Free” daily lists, here’s our basic set of rules:

It must have at least a three-star average rating at the time it goes free.
The app must not have been free numerous times (3+) over the last six months.
The free version of your app must not include ads.

To submit an app, simply send a request to tyler@appadvice.com with the subject “Apps Gone Free.” Please include the name of the app, a link to it in the App Store, when and for how long you intend to offer the app for free, and anything else you would like to share. We will take it from there.