These are the most positively reviewed apps in the history of the Apple App Store - and the top result may surprise you

Apple's App Store has over 2 million apps, so it can be hard to find which ones are worth your time and which ones aren't.

That's why Apple built in a rating system, to let users say which apps are 1-star and which ones are 5-star worthy. Apple's ratings and reviews influence how apps show up in search results, and you can see the rating before you download.

But which apps over the 10 years since the App Store first launched have had the most uniformly positive reviews?

App analytics firm Sensor Tower used its proprietary database to find the highest rated iOS apps by percentage of positive user review - defined by the percentage of 4- or 5-star reviews in the United States over the last 10 years. Only apps with over 100,000 reviews were considered.

The list will surprise you. Let's take a look: