Yes, it is okay to learn piano on a digital piano. In fact, it can be a practical and affordable option for many people. Digital pianos can provide a very realistic playing experience, and they offer many advantages over acoustic pianos. For example, they are usually more compact and lighter, which makes them easy to move around. They also don’t require regular tuning, and they often come with various sounds and features that can enhance your learning experience. However, it’s important to note that some digital pianos may not have the same touch and feel as acoustic pianos, so it’s a good idea to try out a few models before making your decision.