| Feature | ZD Soft Screen Recorder | OBS Studio | Bandicam | | :--- | :--- | :--- | :--- | | | Free (with watermark), $39 Pro | Completely Free (Open Source) | Paid (Free trial with watermark) | | Ease of Use | Very easy, intuitive interface | Steep learning curve | Moderate, user-friendly | | File Size | ~10 MB | ~100 MB+ | ~30 MB | | Portability | Portable versions exist | No native portable version | No native portable version | | Live Streaming | Yes (YouTube, Twitch) | Yes (Extensive) | Yes | | System Impact | Very Low | Moderate to High | Low | | Annotation Tools | Yes (Built-in) | No (Requires plugins) | No |