Based on the users' reviews, here are three Pros and three Cons of the app "InstaDP HD Downloader": **Pros:** 1. Easy to use: Downloading high-quality Instagram stories is straightforward and hassle-free. 2. Fast downloading: Users praise the app's speed and efficiency in downloading full-size Instagram pictures. 3. Great quality: Most users agree that the downloaded pictures are high-quality and identical to the original posted on Instagram. **Cons:** 1. Not officially supported: Some users are frustrated that the app is not officially recognized by Instagram, leading to occasional glitches. 2. Limited features: Some reviewers feel that the app could use more features, such as the ability to download IGTV content or edit photos. 3. In-app ads: A few users complain about the presence of ads within the app, which can be distracting and annoying.