“big button calculator”

Difficulty

The typical top-10 app has 34.4K ratings. Reachable with a strong store page and steady ratings.

Keyword in the app name

3 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 9 years ago. Only older, established apps rank here.

Publishers with several spots

• Cider Software LLC6 apps · best #1
• Tim O's Studios, LLC2 apps · best #3
• UniCom Technology2 apps · best #7
• 7th Gear2 apps · best #9

Top 10 average rating: ★ 4.7