A small transparent window at the insertion site allows users to check for the "bleb" (a small wheal indicating proper subcutaneous placement) or signs of early inflammation without removing the set.
| Feature | Autosoft 7.0 (30-degree) | Autosoft 90 (90-degree) | | :--- | :--- | :--- | | | 30 degrees (shallow) | 90 degrees (straight in) | | Best For | Lean individuals, children, low body fat | Average to high body fat, muscular build | | Pain Perception | Generally less painful due to tapered needle | Sharp initial pinch, but faster insertion | | Occlusion Risk | Lower (shallow angle reduces kinking) | Slightly higher (direct bend) | | Insertion Device | Built-in spring-loaded manual | Separate reusable inserter (Tandem’s Inserter) | Autosoft 7.0