Bees can see special ultraviolet colors that are invisible to the human eye, which help them pollinate certain flowers. Convenient!

See how your color vision measures up with “Tap the Tile – Color Master”: just tap the tile that’s a different shade from the rest. It sounds easy, but the farther you progress in the game, the subtler the shade differences get…

“Tap the Tile – Color Master”, complete with all ads removed, drops in price today from $2.99 to $0.

Tap The Tile - Different Color

CityMaps2Go is the 100% free app of the day.

"City Maps 2Go" is an offline travel guide: no risk of getting a large phone bill when you are travelling abroad. It features guides for destinations all around the world, including highly detailed and downloadable maps, millions of places to visit and summaries of sites and attractions.

CityMaps2Go Pro » Plan Trips, Guide & Offline Map drops in price from $9.99 to $0 for today only.

City Maps 2Go Offline Maps
Jengris Puzzle 3D

The biggest ever game of Tetris was played on the side of a skyscraper! Naturally the game attracted a lot of attention from passers-by...

Today's app "Jengris Puzzle 3D" is a sort of 3D version of Tetris. The aim is to place 3D pieces one by one onto a tower, and once each level is full, it disappears. And just like Tetris, if you reach the top of the screen, it's game over!

The ad-free version of "Jengris Puzzle 3D" drops in price today from $2.99 to $0.

Jengris Puzzle 3D
Amigo Pancho

Sombrero hats are actually extremely practical. Their large size means that they protect not only the head from the hot sun, but also the neck, shoulders and arms - and it even works for the rain!

That's why the hero in "Amigo Pancho" are never without his. Pancho is travelling around the globe by hanging onto two balloons. Your job is easy: help guide him to his destination!

The ad-free version of"Amigo Pancho", with a bonus 15,000 coins unlocked, drops in price today from $3.91 to $0.

Amigo Pancho

While accepting his award at French movie ceremony 'the Césars', rather than giving a speech, Johnny Depp pulled out a dictaphone from his pocket and played a pre-recorded message in French!

Whether it's an acceptance speech or just a simple reminder, "Recordr" is the perfect app for you to record all the voice notes that you need. The interface is clean and efficient, resulting in an uncomplicated app that does its job without any fuss.

"Recordr", with all ads removed, new themes, audio and video encoding and Google Drive compatibility, drops today from $2.99 to $0.

Recordr - Sound Recorder Pro
Sudoku

Sudoku was originally called "Number Place". It became popular in Japan in the mid-80s, where it was re-named "sudoku", which translates to "the digits must be single".

In "Sudoku", start in tutorial mode if you're a beginner, or try Diabolic Mode if you're a seasoned player. You can also toggle the timer on and off for either a challenging or more zen experience.

“Sudoku”, complete with unlimited 6x6 boards and saves, drops in price today from $7.36 to $0.

Sudoku

Some species of birds, including crows, are intelligent enough to be able to use small twigs as tools. See what your birds can do with today’s app!

In “Piou”, raise a flock of cute little birds from hatchling to adulthood. Feed them, care for them, and even play games with them to earn diamonds, which you can then use to decorate your birds’ home.

“Piou”, complete with 120 bonus diamonds, drops in price today from $14.78 to $0.

My Piou ? Virtual Pet Bird 3D