Based on the users' reviews of the Vent Protocol app on Google Play, here are three cons and pros, each limited to 15 words: **Pros:** * "Helpful tool for monitoring and tracking lung function and oxygen levels." (9 words) * "Easy to use and set up, with clear and concise instructions." (11 words) * "App provides accurate and reliable readings, even in remote areas." (12 words) **Cons:** * "App often crashes or freezes, causing frustration and data loss." (12 words) * "Customer support is unresponsive and doesn't address user concerns." (12 words) * "Lack of features and functionality, particularly for advanced users." (11 words) Please note that these conclusions are based on a summary of the reviews and may not reflect the full range of opinions and experiences of users.