The IBM Quantum Experience is now two tools: the IBM Quantum Composer and the IBM Quantum Lab. In the first, you can create circuits by drag and drop, run them on a range of hardware and simulators backends, and visualize the results in several ways.
The IBM Quantum Lab is Jupyter-based and gives you the full power of that environment, plus the Qiskit open-source quantum software development kit.
You can use both at no charge with several real quantum computers, or access the advanced quantum systems if you have license to them within the IBM Quantum Network. Several new simulators are available in addition to qasm_simulator.
