Based on the users' reviews of the Circles Runner app, here are three cons and three pros, each within a 15-word limit: **Cons:** 1. Many users complained about the app's frustrating ads, calling them "overwhelming" and "obtrusive." 2. Some users reported experiencing frequent crashes and freezing, which affected gameplay. 3. Several reviewers disliked the in-app purchases, calling them "exploitative" and "unfair." **Pros:** 1. Many users praised the app's engaging and addictive game mechanics, calling them "addictive" and "fun." 2. Reviewers appreciated the app's colorful and visually appealing graphics, likening them to "a work of art." 3. Users enjoyed the app's social features, allowing them to compete with friends and join "challenges." Note: Please keep in mind that these are general statements based on the users' reviews and might not reflect the full range of opinions on the app.