| Feature | Zoiper Free (Top Version) | Zoiper Pro (Paid) | | :--- | :--- | :--- | | | ❌ Not available | ✅ Full HD support | | Call Recording | ❌ Disabled | ✅ One-click recording | | G.729 Codec | ❌ Requires license | ✅ Included | | Customizable UI | Basic skin only | Full theme engine | | Multi-language | Limited | Full support | | Price | $0 (Forever) | $49 - $99 one-time |