MathPal: 8th-grade math tutor app powered by ExecuTorch#240
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On-device AI math tutor for Android with step-by-step problem solving.
Runs entirely offline using ExecuTorch + XNNPACK backend.
Features:
- Ask Anything input with voice-to-text support
- Practice mode with 40 grade-leveled problems (Grade 4-8)
- Step-by-step reasoning card with answer validation
- Supports both #### and \boxed{} answer formats
- Gamification: XP system, streaks, boss battles, 30 badges
- Lazy KV cache via DYNAMIC_UNBOUND for memory-efficient inference
Tested models:
- Qwen2.5-Math-1.5B-Instruct (8da4w): 83% GSM8K, 28 tok/s on S23
- Qwen3-0.6B fine-tuned on GSM8K: 47% accuracy, 12 tok/s on S23
Also includes macOS SwiftUI app scaffold (apple-mathpal/).
See llm/android/MathPal/README.md for export instructions and
model options.
Co-authored-by: Claude <noreply@anthropic.com>
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This is thoroughly tested with dynamic unbound tensor: pytorch/executorch#18350 |
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On-device AI math tutor for Android with step-by-step problem solving. Runs entirely offline using ExecuTorch + XNNPACK backend.
Features:
Tested models:
Also includes macOS SwiftUI app scaffold (apple-mathpal/).
See llm/android/MathPal/README.md for export instructions and model options.
See https://github.com/psiddh/executorch-examples/blob/7d218df15656c28b13a23b4c54e579a677c48943/llm/android/MathPal/README.md