Today’s Apps Gone Free: Apollo, Hindsight and Calc Swift

Add light sources to Portrait mode photos, track the passage of time, and crunch some numbers with today’s collection of apps.

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:

Hindsight – Time Tracker ($1.99 → Free, 31.8 MB): Track the passage of time with Hindsight. Those who want to find out how often an event takes place.

Hindsight allows you to track the occurrences of anything and everything you wish. Each entry simply needs a title and a record of its first occurrence. Hindsight will then start a timer and keep it running while you’re away. Whenever an event takes place, swipe to record it. Alerts can be set up as well based on the time elapsed between occurrences. Each event includes detailed history and a histogram that can reveal patterns.

Hindsight – Time Tracker is available for free for a limited time. It has a 4.5-star rating with a total of 153 ratings.

Apollo: Immersive illumination ($2.99 → Free, 20.3 MB): Add light sources to Portrait mode photos with Apollo. Photographers with a compatible iPhone.

Apollo works like magic. It takes the depth data from Portrait mode photos and reconstructs a 3D map, allowing you to add realistic new light sources and cast shadows in real-time. You’re able to adjust the color, intensity, and distance of each light with only a single finger. Since the scenes are computationally rendered, light sources can even be put within the frame. Apollo only works with iPhones that support Portrait mode.

Apollo: Immersive illumination is available for free for a limited time. It has a 4-star rating with a total of 335 ratings.

Universal:

CALC Swift ($1.99 → Free, 15.6 MB): Crunch numbers faster than ever before with CALC Swift. Students, teachers, and anyone else in need of a powerful calculator.

CALC Swift is a multi-functional scientific calculator that’ll make your daily calculations a breeze. It features both standard basic and scientific calculation functions, which can be accessed with a horizontal swipe. It includes more than 50 advanced functions in all. A history log allows you to pull up numbers at any time and copy them for use in other apps. CALC Swift also includes a widget, Spotlight search, Apple Watch support, and colorful themes to choose from.

CALC Swift is available for free for a limited time. It has a 4.5-star rating with a total of 76 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.

Mentioned apps

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