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MEDICAL · ANDROID

Half

by K.J.M.

Calculate how long the effects of your meds last based on their half-life.

4.80 ★

(500+ reviews)

1k+

Downloads

Everyone

Content rating

A closer look

Overview

Exponential decay of drugs in the human body can be calculated using the elimination half-life of the drug. This is useful in determining how frequently a drug should be taken to maintain a steady level in the blood plasma. By simulating different scenarios and trying different loading doses, one can find the optimal dosage and avoid side effects. It is important to consult a doctor or pharmacist before adjusting the dosage as the decay constant is an approximation and everyone has a different metabolic rate.

Some medications take weeks to reach an optimal plasma level and discontinuing them can be difficult. Decreasing the dosage too fast can cause withdrawal symptoms while decreasing it too slow can prolong the side effects unnecessarily. The curve of the drug's decay can help find the right speed for discontinuing the medication. It is important to note that the elimination of a drug is not solely based on its biological half-life and can vary from person to person.

The half-life formula used for calculating the decay of drugs can also be applied in other fields such as nuclear physics. The app can be used to calculate the radioactive decay of isotopes and even to estimate how long water stays in the body. By understanding the principles of exponential decay, one can make informed decisions about medication and other areas of life.

App Download

Get Half from an official store or available APK channel.

Available for Android

Get on Google Play Download APK iOS unavailable

Previous Versions

ZIP files require a Split APKs Installer (e.g., SAI) from Google Play to install. Steps: 1. Download SAI from Google Play; 2. Open SAI and tap "Install APKs"; 3. Select the ZIP file; 4. Complete installation.

V3.5.1

Package Name: com.nothing.half_lifeformeds
Version Name: V3.5.1
Version Code: V3.5.1
File Size: 1.7 MB
Update time: 2021-11-6

Frequently Asked Questions

What is the latest version of Half?

The latest version currently listed by Appspicked is V3.5.1, with information updated on Mar 11, 2026. Versions may vary by device, region, or rollout schedule, so users should also check Google Play or announcements from K.J.M..

Is Half safe to download and use?

No website can guarantee that an app is completely risk-free. Appspicked recommends downloading Half only from an official app store or a verified channel operated by K.J.M.. Before installing, confirm the developer name, package ID com.nothing.half_lifeformeds, requested permissions, privacy policy, and download source.

Why can’t I find Half in the App Store?

Half may be unavailable because of regional restrictions, device incompatibility, account or age settings, a temporary removal, a name change, or because it has not been released for that platform. An Android package page does not necessarily mean that an iOS App Store version exists. Check K.J.M.’s official website for current availability.

Where can I download or update Half?

Use Google Play or another official download channel provided by K.J.M. whenever possible. Appspicked provides app information and store links, but users should verify the destination domain and publisher before downloading or updating the app.

Why is the version shown on Appspicked different from the app-store version?

The information on Appspicked may represent the most recently indexed snapshot. App stores sometimes release updates gradually or display different versions according to region, device, operating system, or testing group. The official store listing should be treated as the final reference.

Which devices and operating systems support Half?

Half is listed for Android, with a reported minimum requirement of Not specified. Actual compatibility may also depend on the device model, region, available storage, hardware features, and installed system components.

Is Half free?

The initial download may be free, but subscriptions, advertising, paid features, or in-app purchases may still apply. Prices and available purchases can vary by country and version. Check the payment information displayed by Google Play before completing a transaction.

What should I do if Half cannot be installed or updated?

Check the network connection, storage space, operating-system version, account region, and device compatibility. Restart the device and try again through the official store. If the problem continues, consult the support resources provided by K.J.M..