Because Vakya calculations use mean motions, the often differs by 2–3 degrees from the Drik Lagna. A person who is a Pisces rising in Western astrology or Drik system might be a Aquarius (Kumbha) Lagna in the Vakya system.
Most modern astrology software and websites default to the more precise Drig-Ganita method. Finding a "Vakya-specific" digital tool is rarer, often requiring manual calculations by traditional astrologers. Pros and Cons “Vakya” and “Drig-Ganita” by L. V. S. MANI vakya panchangam birth chart