The Gauth alternative built for lasting math skills
Gauth Snaps the Answer. Pengi Teaches You How to Get It.
Photo-solving gets homework done fast — but it doesn't prepare you for the exam. Pengi's AI tutor uses real-time voice guidance and step-by-step questions to build the math reasoning that stays with you long after the homework is due.
Gauth vs Pengi — side by side
| Feature | Gauth | Pengi |
|---|---|---|
| Shows final answer | Yes — photo → solution | Never — guides step-by-step |
| Voice tutoring | No | Yes — real-time voice + whiteboard |
| Adapts to grade level | No | Yes — grades 3–11 |
| Curriculum-aligned | No | Yes — 100+ US textbooks |
| Works on Khan Academy | No | Yes — Chrome extension |
| Asks guiding questions | No | Yes — Socratic method |
| Free access | Limited free tier | Free core access, no card needed |
See Pengi in action
It guides you through the problem. It won't just hand you the answer.
Loading AI Tutor...
No account needed. Talk to your AI tutor with voice.
Frequently Asked Questions
- What is a good Gauth alternative for math?
- Pengi is a strong Gauth (Gauthmath) alternative for K–12 math students. Where Gauth takes a photo of your problem and returns a worked solution, Pengi's AI tutor guides you through the problem with real-time voice questions and a shared whiteboard — building the reasoning skills you need for exams.
- How is Pengi different from Gauth?
- Gauth is a math solver: snap a photo, get a solution. Pengi is a math tutor: describe your problem, get guided questions that walk you through the logic. Pengi never gives you the final answer directly. This means students develop genuine problem-solving ability, not just the habit of taking a photo when stuck.
- Does Pengi work for all K–12 math topics?
- Yes. Pengi covers arithmetic, fractions, pre-algebra, algebra, geometry, precalculus, and statistics for grades 3 through 11. Content is aligned to 100+ real US textbooks including Go Math!, Saxon Math, Big Ideas Math, and more. The AI tutor adapts its language and scaffolding to match the student's level.
- Can I use Pengi on Khan Academy like I use Gauth on my homework?
- Yes. Install the free Pengi Chrome Extension and it activates automatically when you open Khan Academy, IXL, Scratch, or PhET. The AI tutor reads the current problem on your screen and provides voice-guided hints — without ever revealing the answer.
- Is Pengi free?
- Pengi is free to start — no credit card required. Free access includes core lessons and guided tutoring sessions. Premium plans unlock unlimited session time and advanced features.
Build real math skills — not just homework habits
Free to start. No credit card. Voice tutoring that walks you through every step until the concept sticks.