ČKS vs 4n6 Tools Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ČKS
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Oficiální aplikace České kardiologické společnosti Aplikace obsahuje novinky, základní informace, kontakty, popis asociací a pracovních skupin ČKS, výbory, důležité odkazy. Součástí aplikace jsou i akce, které ČKS organizuje.
4n6 Tools Lite
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4n6 Tools Lite is the free edition of 4n6 Tools Pro — professional forensic calculators for forensic medicine, built from everyday autopsy and external-examination practice. Try six fully working tools and see whether the app fits your workflow. FREE IN LITE • Henssge rectal-temperature nomogram (Marshall–Hoare) — time of death • Postmortem interval from vitreous potassium (K⁺) • BMI and nutritional status • Body surface area (BSA) and expected heart weight • Age from aortic circumferences • Unit converter (mg/dL ↔ mmol/L and more) for common analytes or a custom molar mass THE FULL PRO VERSION 4n6 Tools Pro unlocks every tool: postmortem changes and the Traube index, toxicology and alcohol (ethanol interpretation and calculations, drinking scenario, breath alcohol, PAL reference drug levels), forensic entomology, anthropology and skeletal identification, forensic odontology (odontogram, Lamendin, Solheim), photogrammetry with native LiDAR measuring, volumetric weight estimation, colorimeter, desmin immunohistochemistry and microscopy. A one-time purchase with no subscription — every purchase supports further development. FEATURES • Bilingual: Slovak and English • Works offline, entirely on-device — sends nothing and stores nothing • Methods and references with every tool, plus a unified reference list FOR WHOM Physicians and specialists in forensic medicine and pathology, examining physicians, expert witnesses and — for teaching — medical students. IMPORTANT All results are orientational and based on published methods. The app is not a medical device and does not replace the professional judgement of the examining physician or expert.
Screenshots
Verdict
The clearest difference is update cadence: 4n6 Tools Lite at every 8 days against ČKS's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ČKS ships an update every 2 months, 4n6 Tools Lite every 8 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.
| Parameter | ČKS | 4n6 Tools Lite |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 21 MB | 1 MB |
| Age rating | 17+ | 12+ |
| Developer | Trilobite Technologies, s.r.o. | Jan Sikuta |
In-app purchases
ČKS
No in-app purchases
4n6 Tools Lite
No in-app purchases









