Comparison

NTS SR vs 4n6 Tools Lite

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NTS SR

Features
Read full description

Funkcie pre registrovaného a neregistrovaného používateľa aplikácie: možnosť objednať sa na darovanie krvi a plazmy, prehľad kamenných a mobilných odberových pracovísk NTS SR s odberovými hodinami a kontaktami, praktické informácie o darcovstve ako: aktuálne usmernenia o krvi a o plazme, zobrazenie pracovísk na prehľadnej mape s možnosťou spustiť navigáciu k pracovisku v aplikácií Google Maps Funkcie pre registrovaného používateľa aplikácie: elektronický preukaz darcu krvi s evidenčným číslom, krvnou skupinou, fenotypom a čiarovým kódom, grafické znázornenie času zostávajúceho do ďalšieho možného termínu odberu celej krvi alebo plazmy (pri rozpore medzi najbližším odberom navrhnutým aplikáciou a lekárom, rešpektujte pokyny lekára), údaje o absolvovaných odberoch, napr. dátum odberu, pracovisko, kde sa vykonal odber, odobraté množstvo krvi, dĺžka odberu, výsledky krvného obrazu s grafickým znázornením trendu parametrov v čase, výsledky krvného tlaku v grafickom znázornení, informácie o počte odberov a nároku na ocenenie, prehľad min. počtu odberov pre získanie jednotlivých ocenení, notifikácie o blížiacom sa termíne odberu celej krvi alebo plazmy

About

4n6 Tools Lite

Features
Read full description

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

NTS SR4 screens
4n6 Tools Lite3 screens

Verdict

The call

The clearest difference is update cadence: 4n6 Tools Lite at every 8 days against NTS SR's every 6 weeks. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NTS SR ships an update every 6 weeks, 4n6 Tools Lite every 8 days. The most recent releases landed on September 22, 2026 and September 30, 2026 respectively.

Scorecard1 real difference · 5 level
NTS SR versus 4n6 Tools Lite: the parameters behind the verdict, then further details
ParameterNTS SR4n6 Tools Lite
PriceFreeFree
Update frequencyEvery 6 weeksEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.515.0 — better
Further details — not scored
Size57 MB1 MB
Age rating17+12+
DeveloperNarodna Transfuzna Sluzba SRJan Sikuta

In-app purchases

None

NTS SR

No in-app purchases

None

4n6 Tools Lite

No in-app purchases

Questions

Is NTS SR free?
NTS SR is free to download, with no in-app purchases.
Is 4n6 Tools Lite free?
4n6 Tools Lite is free to download, with no in-app purchases.
Do NTS SR or 4n6 Tools Lite have ads?
Neither NTS SR nor 4n6 Tools Lite shows ads.
Which is updated more often, NTS SR or 4n6 Tools Lite?
NTS SR ships an update every 6 weeks, and 4n6 Tools Lite every 8 days. Most recently, NTS SR was updated on September 22, 2026 and 4n6 Tools Lite on September 30, 2026.

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