Here is a selection of free apps of the day on App Store.

1. Star Tracker: The best star gazing app on iOS.

2. Runtastic SitUps PRO: Flatten your stomach and get those ab muscles to start showing with runtastic SitUps PRO app.

3. Orasis: Orasis is a brain-inspired photo correction app whose objective is to restore and enhance your digital photos.

4. Easy Downloader Pro: Easy Downloader is a simple download manager that allows you to download videos, audio, documents, images or email attachments.

5. Live Sketch Pro: Turn your photos to beautiful realistic sketch.

6. Slide Timer: Simple and clean timers that make your timing easy.

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