Deducted for lack of damage calc and mobile UI. Still the best at what it does, but what it does is narrow.
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. veekun compare
If you want a quick visual or to know “which one wins in a real battle?” — go elsewhere. Deducted for lack of damage calc and mobile UI