Based on the user reviews on the Apple App Store, here are three cons and pros of the app "Size Gun": **Cons:** 1. **Limited customization options**; users find the app too basic and lacks adjustments for their specific needs. 2. **Occasional bugs and freezes**; some users experience crashes or glitches while using the app, frustrating their experience. 3. **Lack of precision**; users find the app's measurements inaccurate or inconsistent, affecting their reliability on the results. **Pros:** 1. **Easy to use**; users praise the app's user-friendly interface and simplicity in taking measurements. 2. **Accurate calculations**; most users find the app's calculations to be reliable and trustworthy. 3. **Helpful for DIY projects**; users commend the app for providing accurate measurements for various DIY projects and home improvement tasks. Please note that the opinions expressed are based on the user reviews available at the time of my knowledge cutoff and may change over time.