The line graph shows the monthly download trends of four popular language learning apps from January 2013 to mid-2014. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

The line graph depicts the trend in the popularity of the four popular language learning apps by showing the

number

of their downloads per month. The app called Speak

light

Capitalize word

Light

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was originally competing with Linguoso

in

Change the preposition

at

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the beginning of 2013,

however

, the download

number

gradually decreased over time and now it ends up with the third

within

Change preposition

among

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the four apps. Linguoso had the highest

number

, 30 thousand downloads per month, in January 2013, but its popularity plummeted in the

last

four months of 2013, and gradually recovered to become the second. Verb Tester has been stable but the

number

of

the

Correct article usage

apply

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downloads

were

Correct subject-verb agreement

was

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almost always low compared to the other competitors.

Finally

, we can see

the

Correct article usage

a

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significant rise in the

number

of 20Words since its launch in September 2013. The application overwhelmed the others and is now the first doubling the

number

of the

second,

Linguoso. It seems that 20Words deprived the share of Speak Light during the first half of 2014 and attracted

further

Correct word choice

more

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potential users who had not been using any app until 20Words

got

Verb problem

became

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popular.