Gauth: best for worked answers to homework problems
Gauth is made by GauthTech Pte. Ltd. and is the most study-oriented app of the three. Its feature list covers math word problems, algebra topics such as logarithms and complex numbers, functions from linear to inverse, and plane and solid geometry.
The version in the catalog is 2.11.0, updated November 2, 2026. It costs nothing to download and no ads are listed, but the app does include in-app purchases. The store text mentions a paid Pro plan for AI answers, though no price is given.
Pros
- Google Play rating of 4.8
- Covers word problems, algebra, functions and geometry
- No ads listed
Cons
- Includes in-app purchases
- Catalog tier is C, not higher
- Pro pricing varies by plan