The 10 best iPhone apps on sale right now

Geekbench 3 is great for analyzing what's going on underneath the hood of your iPhone, making it easy to run benchmarks on your phone's processor and memory performance.

Price: Free (usually $0.99)

The winner of Apple's "Best iPhone Game of the Year" award, Threes is all about adding tiles together that add up to three or a multiple of three. Combing blocks frees up space, and keeps you in the game.

Price: $1.99 (usually $2.99)

Filled with trippy 8-bit visuals inspired by the Game-Boys of old, this fun little game puts you in control of a sleeping man's dreams as he tries to fly his way toward the exit without bumping into anything.

Price: Free (usually $2.99)

Like a Lytro camera, FocusTwist makes it easy to draw attention to interesting details in the foreground or background of your photos, allowing you to re-focus the photo after you snap.

Price: Free (usually $1.99)

Dark Echo is an abstract horror game where you'll make your way through 80 levels with only visualized sound to guide you. This one is best played with headphones for the full effect.

Price: Free (usually $1.99)

Scribe uses Bluetooth Low Energy to connect your Mac to your iPhone, allowing you to send text such as addresses and phone numbers from your computer to your phone simply by pressing "COMMAND + SHIFT + X" on your keyboard.

Price: Free (usually $2.99)

Modern Combat 5: Blackout offers stunning graphics and a new single-player campaign with locations such as Venice and Tokyo. There's multiplayer, four customizable classes, and you can create your own squad with your friends.

Price: Free (usually $3.99)

The goal of Line Runner 2 is simple: keep running. This sequel introduces new boosts, new themes, and new level themes like desert, space, and classic.

Price: Free (usually $1.99)

You only 10 minutes to experience I am a brave knight, a short interactive story about a man and his journey through life. Beware, it might tug at your ol' heartstrings by the end.

Price: Free (usually $0.99)

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