“r d classes”

Estimating popularity…

Search results on Google Play in United States, checked 18 Oct 2026.

Difficulty

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Keyword in the app name

4 of top 10

Some top apps use it in their name. Having it helps, but it is not required.

Newest app in the top 10

Released 5 months ago. New apps can still break into this search.

Publishers with several spots

Top 10 average rating: ★ 4.1

Getting store details for 2 of the top 10 apps. Refresh in a minute for complete numbers.

Top 30 results

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