After analyzing the user reviews of Alto Pro on the App Store, I've extracted the most common points of pros and cons. Here are the results: **Pros:** 1. **Effective noise reduction**: Many users have reported significant improvement in noise reduction, allowing them to focus better and work more efficiently. 2. **Easy to use**: The app is praised for its user-friendly interface, making it easy for users to navigate and customize the noise reduction settings. 3. **Customization options**: Users appreciate the ability to customize the noise reduction settings to their liking, including adjusting the sensitivity and frequency range. 4. **Good sound quality**: Despite reducing noise, the app is said to preserve the original sound quality, making it suitable for music listening and other audio applications. 5. **Constant updates and improvements**: The developers are actively updating the app, addressing user concerns and adding new features to improve the overall experience. **Cons:** 1. **Occasional lag or crashes**: Some users have reported occasional lag or crashes, especially when using the app with certain audio sources or in low-light environments. 2. **Limited compatibility with certain devices**: A few users have experienced issues with the app not working properly on certain devices or operating systems. 3. **Noise reduction may not work for all types of noise**: Some users have reported that the app is not effective in reducing certain types of noise, such as low-frequency rumble or high-pitched whine. 4. **Battery drain**: A few users have noticed that the app can consume a significant amount of battery power, especially when used for extended periods. 5. **Limited features compared to other noise-cancelling apps**: Some users have compared Alto Pro to other noise-cancelling apps and found that it lacks certain features or has a more limited feature set. Overall, the majority of users seem to be satisfied with Alto Pro, praising its effectiveness, ease of use, and customization options. However, there are some drawbacks to consider, such as occasional lag or crashes, limited compatibility, and battery drain.