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Android Apps > Medical > BolusCalc
BolusCalc icon

BolusCalc

by Daniel L. Metzger, MD · Medical · Free
On Google Play since December 2017 · Data updated 2026-10-26

BolusCalc is made and published by Daniel L. Metzger, MD. AppBrain is an independent app data site and isn't affiliated with Daniel L. Metzger, MD. The app name, icon, screenshots and description belong to Daniel L. Metzger, MD and are shown as published on Google Play.

AppBrain's verdict

Established
Rating on Google Play
4.13
97 ratings
Installs
38 thousand
Last updated
October 25, 2026
Ads
No ads
Size
3.58 MB

BolusCalc has 38 thousand installs. It doesn't have enough ratings yet to judge what users think.

Official page on Google Play

User feedback

Ratings and reviews on Google Play

Comments on BolusCalc for Android

★★★★★ Mark Schwartz (On The Go Repairs) · Aug 28, 2023
To be fair, I only used it once. But it works, and it is incredibly handy having different ratios depending on time of day. I used to use a sliding scale, but was forced to figure out a new one after a drastic drop in insulin dosages. Now I can easily tweak stuff and adjust as needed. I would pay for this if given the option. Thank you for making this software!
★★★★☆ Nathanyel Marcello · Oct 6, 2025
Dr. Metzger, thank you for making this app, it's very helpful for our new adventure. Is the source available on GitHub or other similar software? Is there a way I can provide additional feedback outside the Google reviews?
★★★★★ Peter Tyrrell · Mar 31, 2021
This app seems to be targeted at children, I am 70 years old, and it is really helping me flatten my blood glucose level, thank you. Requests: A "drop down" carb ratio selection (Simple Insulin Bolus) for (say) three carb ratios that could each be tweaked for best results. A great app. Thank you for your work, but I cannot get the new drop bolus options to work.
★★☆☆☆ Steve K · May 18, 2026
Inadequate guidance for using the app, no "HELP" link. I don't know if it's really any good
★☆☆☆☆ Alivia Wood · Mar 7, 2023
It is not a very good app sometimes I would put my carbs and bloudsugar in, and it would miscalculate it and overall it's really confusing 😕 😤

Google Play Rating history and histogram

69
7
1
1
16

Store listing

By Daniel L. Metzger, MD, from Google Play

“Designed for simple calculations of insulin doses in the home/school setting.”

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Screenshots by Daniel L. Metzger, MD, from the Google Play listing
Description by Daniel L. Metzger, MD Written by the developer, not by AppBrain. Click to read.
This app is designed for simple calculations of insulin doses in the Canadian home and school setting (although calculations can also be done in U.S. mg/dL blood glucose units). There are 4 screens available: The Simple Insulin Bolus screen calculates an insulin dose for people on multiple daily injections (MDI) based on carb ratio, correction/sensitivity factor (ISF), target BG (the default is 6 mmol/L or 100 mg/dL for daytime, and 8 mmol/L or 120 mg/dL for bedtime), carbs to be consumed, and current BG. The Simple Insulin Scale screen generates a simplified insulin sliding scale for people who are on a fixed dose of carbs at a meal, based on baseline insulin dose, ISF, and target BG. The Full Sliding Scale screen generates a full insulin scale for people on MDI based on carb ratio, ISF, and target BG. The Correcting for Arrows screen allows CGMS users to calculate an increase or decrease in insulin dose (or carbs) to account for positive or negative direction arrows. Maintenant également disponible en français !

Recent changes:
Have added the ability on the Settings screen to enable a carb ratio calculator on the Simple Bolus screen, to standardize carb ratios such as “1.5 units insulin per 10 grams of carbs.”
Official page on Google Play

Safety and technology

Found in the app by AppBrain
Ads
No ads
Price
Free
Libraries
18
App size
3.58 MB
Needs Android
2.1+
Content rating
Everyone

Technologies used by BolusCalc

3 permissions · 18 libraries
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
2.8.3
Launched
December 2017
  • Oct 25, 2026UpdateVersion 2.8.3
  • Oct 11, 2026UpdateVersion 2.7.1
  • Sep 27, 2026UpdateVersion 2.6.3
  • Aug 31, 2026UpdateVersion 2.5.3
  • Jun 5, 2026UpdateVersion 2.5.1
Show all changes Show fewer

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Installs

Tracked by AppBrain
Last 30 days
900
Per day
30
30-day average
Play install range
10+ thousand
Launched
December 2017

Installs over time

BolusCalc has been installed 38 thousand times. Over the past 30 days, it averaged 30 installs per day.

Rankings

Google Play top charts

Google Play Rankings for BolusCalc

This app is not ranked

About the app and developer

About BolusCalc

BolusCalc is a medical app developed by Daniel L. Metzger, MD.

Install Statistics

BolusCalc has been downloaded 38 thousand times. In the last 30 days, the app was downloaded 900 times.

User Ratings

BolusCalc is rated 4.13 out of 5 stars. The rating is based on 97 ratings.

App Information

BolusCalc is freely available from Google Play. The APK size is 3.58 MB. The latest APK version available is 2.8.3. The last update was on October 25, 2026.

Technical Requirements

BolusCalc requires Android 2.1+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since December 2017.

App Performance Report

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Developer information for Daniel L. Metzger, MD

Daniel L. Metzger, MD

dmetzger@cw.bc.ca

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Frequently asked questions about BolusCalc

Is BolusCalc free?

Yes. BolusCalc is free on Google Play.

Is BolusCalc still available?

Yes. BolusCalc is on Google Play, and the last update we saw was on October 25, 2026.

Does BolusCalc contain ads?

No. Google Play does not list BolusCalc as containing ads.

What Android version does BolusCalc require?

BolusCalc runs on Android 2.1 and higher.

How large is BolusCalc?

BolusCalc is 3.58 MB.

Is BolusCalc suitable for children?

Google Play rates the content of BolusCalc as suitable for everyone.

How many times has BolusCalc been installed?

Google Play lists 10,000+ installs for BolusCalc.

How do people rate BolusCalc?

BolusCalc scores 4.13 out of 5 stars, from 97 ratings on Google Play.

Who made BolusCalc?

BolusCalc was developed by Daniel L. Metzger, MD. It is listed in the medical category on Google Play.

What are the best alternatives to BolusCalc?

People looking at BolusCalc also look at these medical apps: Insulin Calculator, SocialDiabetes, d-Nav, iLet App, DiabiPets: Cat & Dog Diabetes.

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Overview Alternatives History Reviews Rankings Technology
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