“01 certification”

Estimating popularity…

Search results on Google Play in United States, checked 13 Oct 2026.

Difficulty

Collecting app details. Refresh in a minute.

Keyword in the app name

0 of top 10

None of the top apps use it in their name, so the store ranks by other signals here.

Newest app in the top 10

Released 3 years ago. Only older, established apps rank here.

Publishers with several spots

Top 10 average rating: ★ 3.1

Getting store details for 7 of the top 10 apps. Refresh in a minute for complete numbers.

Top 30 results

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