Independent frontier models from different vendors each score your pitch and hand back a Scale / Pivot / Kill verdict, with the one flaw most likely to kill it. You see where they disagree. The verdict is free. It reasons over what you write, it does not gather live signals.
Your pitch is never stored, so the email is your only copy.
Your idea isn't stored, added to the public pool, or used to train models. Only the verdict is kept, for a few days, so you can reload it.