What's Holding Back the corrected anion gap calculator Industry?

https://anion-gap-app417.hexaforgey.com/posts/anion-gap-calculator-for-delta-gap-interpretation

Use our anion gap calculator corrected for albumin to quickly correct for hypoalbuminemia and refine assessment of metabolic acidosis. Get accurate corrected anion gap readings with a easy-to-use reliable clinical calculation tool for patient care.