For simple sums, about the same, but 20% cheaper. Soulver is a fair bit more powerful, but I own Soulver (albeit the old v2) and haven't used much from the exte

For simple sums, about the same, but 20% cheaper. Soulver is a fair bit more powerful, but I own Soulver (albeit the old v2) and haven't used much from the extended feature set.