Based on the users' reviews of the "Glitterr - Sparkle Effects" app, here are three pros and cons in English, 15 words limited for each item: **Pros:** 1. Users appreciate the app's high-quality sparkly effects, calling them "amazing" and "wow-worthy". 2. The app is easy to use, with many praising the intuitive interface and simple navigation. 3. Many reviewers have reported successfully using the app to add sparkle to their videos, photos, and stories. **Cons:** 1. Some users have experienced issues with the app crashing or freezing, resulting in lost work and frustration. 2. A few reviewers have mentioned that the app's effects can be glitchy, with random sparkles appearing unexpectedly. 3. Some users have reported that the app's watermark is annoying and cannot be removed without in-app purchases.