Last updated: 2026-07-11
This app does not collect, transmit, or share any personal data, health data, or usage data. It has no internet access and makes no network connections.
All information you enter (calibration values, calculator inputs, cell counts) is processed and stored entirely on your device, using local app storage. Nothing is uploaded to any server, and nothing is shared with the developer or any third party.
The app requests no data-sensitive permissions (camera, location, contacts, microphone, storage, etc.) and contains no advertising or analytics SDKs.
If you uninstall the app, all locally stored data is deleted with it.
Store listing — short description: Clinical lab calculators, calibration & cell counters for lab professionals
Store listing — full description: Lab Assistant is an offline reference tool for laboratory and medical professionals, covering common clinical calculations, analyzer calibration, and manual cell counting.
CALCULATORS • HOMA-IR / HOMA-B / Caro index • Lipid panel — LDL/VLDL (Friedewald & Sampson/NIH), atherogenic index • eGFR — CKD-EPI 2021 (creatinine, cystatin C, or combined), with CKD staging • Rehberg-Tareev test (creatinine clearance) • ROMA index (ovarian malignancy risk) • Corrected calcium, anion gap, FIB-4, BMI/BSA • Iron studies (TIBC/UIBC/TSAT) • Indirect oncotic pressure (3 formula options) • Corrected sodium, osmolality + osmolar gap • Cockcroft-Gault creatinine clearance • De Ritis ratio (AST/ALT) • IV infusion drip-rate calculator
ANALYZER CALIBRATION Two-point linear recalibration from control results — enter current S1abs/K and control results/targets/SD, get new S1abs/K plus a pass/fail check against ±2SD.
MANUAL CELL COUNTERS Tap-to-count differential counters that replace a physical lab tally counter — WBC differential (9 categories, target 100 cells) and sperm morphology (WHO/Kruger strict criteria, target 200 cells).
Every result shows its unit and, where a single well-established reference range exists, a color-coded normal/borderline/abnormal indicator. Both international (SI) and US conventional units are supported throughout.
Available in English, Russian, Uzbek (Latin), and Uzbek (Cyrillic), with light/dark/auto theme support.
This app is a reference tool for trained laboratory and medical professionals. It does not replace clinical judgment, professional diagnosis, or your laboratory's own validated procedures. All data stays on your device — nothing is collected, transmitted, or shared.
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