Based on the user reviews on the Apple App Store, here are three cons and pros of the Aquavias app, each limited to 15 words: **Cons:** 1. Some users find the app's navigation too complex, requiring excessive scrolling and taps. 2. A few users experienced issues with login, claiming it's unreliable and slowing down the app. 3. A few users felt the app's camera feature is too basic, lacking advanced features. **Pros:** 1. Many users praised the app's user-friendly interface, calling it "intuitive" and "easy to use". 2. Users loved the app's advanced underwater camera features, including filters and editing tools. 3. Reviewers commended the app's ability to convey aquarium maintenance information, citing it as helpful for new owners. Please note that these are general summaries based on the user reviews, and may not reflect the opinions of every individual user.