Apps by Yutaka Yasui
Cell Counter & Calculator app icon

Productivity

Cell Counter & Calculator

Yutaka Yasui

Free download In-app purchases
Open on Apple

About this app

A simple yet powerful cell counter for the lab bench. Cell Count is the intuitive tool designed for researchers, lab technicians, and students who need to count cells quickly and accurately. Streamline your workflow at the bench with one-handed operation and a clean, modern design. 【Key Features】 ■ Adaptive count grid: 1, 2, or 4 areas (compatible with hemocytometer chambers) ■ Large "+/-" buttons for fast counting, with automatic area switching ■ Auto-calculates concentration (cells/mL) and total cell count ■ Adjustable dilution rate, sample volume, and counter volume ■ Save metadata: file name, user, cell line, experiment, passage number, comment ■ Built-in calculator for dilutions, concentrations, and aliquot volumes ■ Export records as CSV (individual or batch) ■ Tactile haptic feedback for responsive operation ■ Light & Dark mode support ■ Accessibility ready (VoiceOver, Dynamic Type) 【Who It's For】 - Researchers using hemocytometers for cell counting - Tissue culture / cell biology labs - Students learning cell counting techniques - Anyone wanting to keep clean digital records of cell counts 【Pricing】 All core features are free to use. Save up to 3 entries on the free plan; unlock unlimited storage with a one-time in-app purchase. 【Languages】 English / 日本語 / 简体中文 / 한국어 / Deutsch Feedback and feature requests are always welcome.

Latest release

What’s New

Version 1.3 May 19, 2026

Version 1.3 - Complete UI overhaul: adaptive layout for all iPhone models - Count area and control buttons auto-scale to screen size - Action buttons unified with modern SF Symbols design - Refreshed empty state and export buttons in the data list - Fixed picker text clipping issue - Improved multiplication sign (×) display in formulas - Added Chinese (Simplified), Korean, and German support - Added language switcher in Settings

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Aug 20, 2026 · 0 ratings Aug 20, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 20, 2026 · Free Aug 20, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 20, 2026 · 7:13 PM Free

Screenshots

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