Handwriting diagnosis
that finally scales.
हस्तलेखन सुधारें, भविष्य संवारें
A 20-factor AI analysis in under 60 seconds, on any smartphone, across English, Hindi, Telugu, Tamil, and Kannada. Built for India's 25,000+ handwriting coaches — not for Silicon Valley classrooms.
Image destroyed after analysis · DPDP Act 2023 compliant
Patent IN 584433 · Works on any regular paper
The diagnosis problem
The bottleneck isn't practice. It's a diagnosis that can't scale.
India's K–12 students lose board-exam marks over illegible, slow, or inconsistent handwriting — and for the millions of children with dysgraphia, dyslexia, or still-developing fine-motor control, the problem is far quieter than that: they are written off as careless. Yet a coach can grade only 15–20 sheets a day, parents have no objective measure of progress, and imported smartpens cost more than a month of school fees while ignoring Telugu and Tamil entirely. Our research — including a positive demo at IIT Hyderabad and direct interviews with coaches and special-educators — confirmed the bottleneck is objective, fast diagnosis. Not more practice sheets.
15–20
sheets a day
A handwriting coach's maximum manual grading capacity — the hard ceiling before Vahini.
₹18,000+
cheapest import
Stabilo and Livescribe smartpens — and neither one reads Telugu, Tamil, or Kannada.
Zero
India-built tools
No existing platform diagnoses handwriting mechanics across all five major Indian scripts.
The solution
India's only complete handwriting intelligence system.
A photo scan that runs on any phone today, and a patented sensor pen that reads writing dynamics the eye cannot see. Together, they form one diagnosis.
Photo Scan
Photograph any handwriting sample with any smartphone. The AI analyses 20 factors — letterform, spacing, slant, size, consistency — and returns a colour-coded report in under 60 seconds.
- 20-factor analysis in under 60 seconds
- English · Hindi · Telugu · Tamil · Kannada
- Colour-coded PDF with 3 auto-exercises
- Works with any smartphone camera
- Zero image retention after analysis
IMU Sensor Pen
Patent IN 584433
A patented ballpoint pen with a 13-channel IMU array, capturing pressure, speed, slant, and tremor at 208 samples per second — on any regular paper, with no dot-grid sheets or proprietary notebooks.
- 208 samples/sec · 13-channel IMU array
- Works on any regular notebook paper
- Captures fatigue, jerk, and coordination
- Bluetooth sync to the Vahini dashboard
- Writing dynamics invisible to the human eye
Defensible advantages
Three advantages no competitor currently combines.
Granted Indian Patent IN 584433
An intelligent ballpoint pen using IMU sensors that works on any regular paper — no dot-grid notebook required. Unlike Stabilo or Livescribe, you never replace the paper and never buy proprietary consumables. Two further patents are in advanced examination: #202541020023 and #202541020024.
Granted — not pending
Five Indian scripts at production accuracy
English, Hindi, Telugu, Tamil, and Kannada — validated on a live AI pipeline. No competing coach platform serves Telugu, Tamil, or Kannada writers. Vahini's lead in this segment is built into the training data, not promised on a roadmap.
Validated on a live pipeline
DPDP Act 2023 compliant by architecture
Handwriting images are destroyed the moment analysis completes. All processing runs on Indian GCP regions. School-level Fernet-encrypted storage keeps every institution in control of its own data. Imported solutions cannot match this without a full re-architecture.
Zero image retention — Indian data residency
Together, an 18–24 month defensible lead in the Indian handwriting intelligence market.
Pricing
India-first price points. No import markup.
Student
Track your child's progress with real numbers.
- 6 scans per month
- Colour-coded PDF report
- 3 personalised exercises per scan
- All 5 Indian scripts
- Progress history
Coach
Reclaim 10+ hours of grading every week.
- Unlimited scans
- 14-day free trial included
- PDF reports with your branding
- Batch upload for class sessions
- Client progress dashboard
- WhatsApp share for parents
Most coaches break even on the plan within their first week.
Start 14-Day Free TrialInstitute
Multi-branch visibility in a single view.
- Up to 8 coach logins per branch
- Multi-branch analytics dashboard
- API access for EdTech integrators
- IMU pen bundles available
- Dedicated onboarding support
- White-label option
Institute pack: 5 IMU pens + annual plan at ₹99,999.
Request a DemoAPI access at ₹5–12 per call for EdTech integrators · Institute pack of 5 IMU pens with an annual plan at ₹99,999 · An LTV/CAC ratio above 14× at organic acquisition.
Privacy and compliance
The signals get smarter. Your data stays yours.
Built with special-educators
Co-designed with handwriting coaches and special-educators so the 20 factors map to fine-motor, dysgraphia, and dyslexia screening signals — not just grade-school neatness.
Zero image retention
Handwriting images are used for analysis only and deleted automatically the moment the report generates. Nothing is stored, ever.
Indian data residency
All processing runs on Indian GCP regions. DPDP Act 2023 data-localisation is met by architecture, not by workaround.
School-level encryption
Student data is encrypted at rest with institution-level Fernet keys. The school controls deletion. No ad targeting, no third-party sharing.
Evidence behind every insight
Each recommendation is tied to a measurable signal — pressure, jerk, pause, or stroke pattern — never a black-box guess.
Ready to scale
India's coaches are ready. The tool finally is, too.
From a 15-minute demo to a 14-day free trial — see exactly how much grading time you reclaim in your first week.
Student plan from ₹149/month · Coach plan with a 14-day free trial · No credit card required