“blue tip gratuity calculator”

Difficulty

The typical top-10 app has 105 ratings. Small apps rank here. A good name and description can get you into the top 10.

Keyword in the app name

1 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 7 years ago. Only older, established apps rank here.

Publishers with several spots

No publisher holds more than one spot. The results are spread out.

Top 10 average rating: ★ 4.5