ColonyCam: Colony Counter

ColonyCam turns your iPhone into a fast, repeatable colony counter for petri-dish plates. Photograph a plate, get a count in seconds, and fine-tune until it matches what you see.

Built on an ImageJ-grade image-processing pipeline (auto-thresholding, distance-map watershed, particle analysis), ColonyCam aims for counts you can trust — and gives you the controls to get there.

One simple purchase. Every feature included. No subscription, no in-app purchases, no account.

COUNT • Import from your photo library or take a photo in-app • Automatic colony detection with a labeled overlay on every colony • Tap to add a missed colony or remove a false one — your corrections are always respected

TUNE BY SPECIES • Built-in templates (bacteria, yeast, mold, and more) preset sensible parameters • Sensitivity slider, min/max colony size, circularity, and watershed splitting — all adjustable • Live recount as you adjust • Save your own custom species templates

CALCULATE & KEEP • Compute CFU/mL from dilution factor and plated volume • Save count records with photo, notes, and CFU • Browse and manage your full count history • Save before/after annotated images to your Photos library • Export your history to CSV

PRIVATE BY DESIGN • All image processing runs on your device. Your photos and data never leave your iPhone.

English and 简体中文 included.

Note: ColonyCam is a laboratory and educational aid, not a medical or diagnostic device. Counts are estimates and should be reviewed by a qualified person for any decision that matters.