Shruti

Shruti is a real-time pitch detection app designed specifically for Hindustani classical music students. Practice vocal accuracy with instant visual feedback on pitch, note precision, and deviation in cents.

Whether you're learning classical vocals, working on swar accuracy, or training your musical ear, Shruti provides the tools you need to improve your pitch control and intonation.

🎵 FREE FEATURES

• Real-time Pitch Detection – Instant vocal pitch with color-coded accuracy feedback
• Find-My-Sa – Automatic tonic (Sa) detection to quickly set your base note
• Built-in Tanpura – 4-string tanpura with gapless looping and configurable drone notes
• Session Analysis – Interactive pitch graphs with note statistics (60-second sessions)
• Traditional Swar Notation – Hindustani swars (S, R, G, M, P, D, N) with octave markers. Available in English and Hindi with Devanagari script (सा, रे̱, रे, etc.)
• Customisable Settings – Adjustable tolerance levels (5-30 cents)

⭐ PREMIUM FEATURES (One-time Purchase)

• Vocal Training Mode – Gamified exercises with progressive difficulty levels, scoring, and star ratings
• Ear Training – Pitch recognition exercises to develop your musical ear
• 4 Difficulty Levels – From basic shuddha swars to complex komal/tivra combinations
• Progress Tracking – Scoring system with combo multipliers and session best scores
• Detailed Training Results – Per-note breakdown with accuracy metrics and attempt tracking

🎼 KEY TECHNICAL FEATURES

• PYIN Algorithm – Accurate pitch detection (10-15ms latency) for vocal range (80-1000 Hz)
• Two Tuning Systems – 12-note Just Intonation or 22-Shruti microtonal system
• Bilingual Interface – Switch between English and Hindi with authentic Devanagari swar notation
• Visual Feedback – Horizontal pitch bar with needle indicator and emoji feedback
• Flexible Sa Input – Set tonic using Western notation (C3, A#4, etc.) or Find-My-Sa
• Professional Audio – 44.1 kHz sampling rate optimized for low latency

📚 PERFECT FOR

• Students learning Hindustani classical vocals
• Musicians working on pitch accuracy and intonation
• Teachers demonstrating proper swar pronunciation
• Instrumentalists developing their musical ear

🔧 HOW IT WORKS

1. Set Your Sa – Use Find-My-Sa or manual input
2. Choose Tanpura Settings – Select string 1 note and volume
3. Start Listening – Tap to begin pitch detection
4. Sing or Play – Watch real-time feedback as you practice
5. Review Your Session – Check pitch graph and note analysis
6. Level Up with Training – Unlock premium features for structured practice

✨ WHY SHRUTI?

Unlike generic tuners, Shruti understands Hindustani music theory. It uses Just Intonation ratios (not equal temperament), displays traditional swar notation, and provides culturally-appropriate feedback. Built by musicians, for musicians.

Core features are FREE with no ads. Premium features offer gamified practice modes and detailed analysis.

🎯 TECHNICAL SPECS

• Min Android: 7.0 (API 24) | Target: Android 15 (API 36)
• Permissions: Microphone (for pitch detection only)
• Privacy: No data collection, all processing is local
• Languages: English, Hindi (हिन्दी) with Devanagari swar notation
• Size: ~15MB

💡 TIPS FOR BEST RESULTS

• Practice in a quiet environment
• Use wired headphones with mic for low latency
• Start with higher tolerance (20+ cents), decrease as you improve
• Use tanpura for consistent reference pitch
• Review session analysis to track progress

📧 SUPPORT

Questions? Contact us at [email protected] or check the in-app help page.

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Perfect for: riyaz, swar practice, sur training, classical vocal practice, Indian classical music, Hindustani music education, pitch training, ear training, music students, vocal coaching