If you need to answer precise questions like “Does Gen 5 Excadrill learn a stronger Rock move than Landorus-T?” or “Which of these two has better special bulk after investment?” — Veekun is unbeatable.
Deducted for lack of damage calc and mobile UI. Still the best at what it does, but what it does is narrow. veekun compare
If you want a quick visual or to know “which one wins in a real battle?” — go elsewhere. If you need to answer precise questions like
