A tray of post-larvae with every larva circled

For shrimp hatcheries

Every larva.
Counted.

One phone photo of the tray. A count your buyer can trust.

See how it counts

Live 3D demo. Every larva drawn here is counted by the page itself.

Inside one count

From photo to number.

  1. 01

    The photo

    One phone photo of the tray. Nothing else.

  2. 02

    Tray found

    Walls, rim and glare are left out.

  3. 03

    What the counter sees

    Each larva shows up as a dark head spot.

  4. 04

    2,548 head spots

    Clumps are split, one spot per larva.

  5. 05

    Every larva marked

    Check the marks. Tap to add or remove one.

Counted on this tray

0

larvae. Every one marked on the photo.

Real tray photo from a pilot hatchery, and our counter's real output on it.

15–20 min

per tray by hand, today

Seconds

Counts in seconds, not minutes

0 bars

Works with no signal

0

English, Telugu, Hindi and Tamil

The journey of one count

Hatcheries sit by the sea.

Shed after shed of rearing tanks.

Inside, the water never stops moving.

Every tank is sold by count.

Today that count is done by hand, spoon by spoon.

Thousands in every tank.
Each one counts.

From larva to harvest.

Counted right at the start.

For farmers

Then the seed travels to the pond.

Every pond is stocked by count.

Now the proof arrives with the seed.

Marked photo, count and certificate, on WhatsApp.

A 3D film we built and rendered in Blender, modelled on real hatchery sheds and grow-out ponds.

Who gains

One count. Trusted at both ends.

Hatcheries

Sell by count, with proof.

  • Count a tray in seconds
  • Proof behind every sale
  • Report, certificate and invoice from one count
  • Batches, quality checks, traceability

Farmers

Stock the pond with confidence.

  • See the marked photo behind your seed
  • Certificate with count, PL stage and date
  • No recount at the pond
  • Nothing to install

Get the app

A real app on your phone

Install ShrimpCount on Android or iPhone. It opens from your home screen like any app, and keeps working with no signal.

Sign in

Free. No app store account needed. Try free: 2 counts, no account needed. Works without signal.

QR code to open the app on your phone

On a computer? Scan to open it on your phone.

Guided cameraTap to fix marksReads only the water Handles crowdingSize by PL stageBatches & averages Consistency chartCount history + CSVCount report Delivery certificateInvoicePL orders & payments Price logPL quality checksDisease tests TraceabilityProduction logWater quality InventoryTasksGrowth projection CalculatorsOffline queueTeam backup 4 languagesBig text

Honest about accuracy

Within 1% of an 1,800 hand count.

We are still testing other PL stages with hatcheries. Until you have compared it with your own hand count on your own trays, treat the number as an estimate.

Pricing

One price. Count as much as you like.

It is free during the pilot.

₹10,000

one-time setup - includes your first month

then ₹5,000 / month after that

  • Unlimited counts and photos
  • Count report, delivery certificate and invoice
  • Backup and sharing across your whole team
  • All four languages, on any number of phones
Talk to us to start

Paid monthly, by UPI or bank transfer - no card on file. Try free first: 2 counts, no account needed.

Questions

Engineers, recruiters and students: the last three are for you.

Still unsure?

Tell us about your hatchery. Write in English, Telugu, Hindi or Tamil.

Talk to us
Does it work without internet?

You can take photos and count by tapping with no signal. The automatic count runs when you are back online.

Who can see my records?

Records stay on your phone. With an account they are backed up to a private space that only your hatchery team can open.

What does it cost?

It is free during the pilot. Then ₹10,000 one-time setup including the first month, and ₹5,000 a month per hatchery.

Do I have to make an account?

No. You can count without one. An account only adds backup and sharing between phones.

How do I install it?

Tap Install on this page. On iPhone, open the app in Safari, tap Share, then Add to Home Screen. No app store needed.

Does it count a whole tank?

No. It counts the sample on a standard tray. A batch of samples gives the tank estimate.

I am a farmer. What do I get?

Your hatchery can send the marked photo, the count report and the delivery certificate with your seed. You install nothing.

How does the counter work?

It finds the tray, removes the background, and looks for the dark head spot of each post-larva, since the body is almost transparent. Noise and faint tails are filtered by size and contrast, clumps are split by expected size for the PL stage, and a person confirms the marks. A classical OpenCV engine runs today; a YOLO11 detector (ONNX) must beat it on the same held-out batches before it ships.

How is accuracy measured?

Data is split by batch, never by random image, so the test set is a day the model has not seen. Only numbers from the evaluation script on held-out batches are quoted. No synthetic images stand in for real hatchery photos.

What is it built with?

An offline-first React PWA, a FastAPI counting service, OpenCV and ONNX Runtime. This page uses three.js and GSAP.

Ready to count your next tray?

Talk to us to start

tanvikorada@gmail.com

Install the app

iPhone: tap the Share button at the bottom of Safari, then "Add to Home Screen".

Android: tap the ⋮ menu at the top right of Chrome, then "Install app" or "Add to Home screen".

Open the app