GluCalc vs Bolus Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GluCalc
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GluCalc is a mobile app designed for diabetic patients and their family members. Its main objectiv is to ease the tasks at mealtime. GluCalc is available in three different languages (english, french and german). The foods database, which everyone can customize, allows GluCalc to compute the sum of carbohydrates for a meal. With this result, GluCalc determines the necessary quantity of insulin based on the user's personal parameters. (The correction factor or correction dose method is used). GluCalc's key differentiating features are : - a personal foods database - a tailored computation of meals insulin quantity for meals - foods import and export - sending meal composition and diary by email or short message - management of different blood glucose units of measurement (mmol/l, mg/l, g/l) Time saved on computations allows to preserve a pleasant atmosphere during meals and to maintain a rich and diversified diet without compromising on therapeutic goals. GluCalc's ease of use offers kids and teens a tool to increase their autonomy and motivation in diabetes management.
Bolus Guide
This app helps individuals with diabetes calculate precise insulin doses for meals and corrections. It uses user-inputted data like carb ratios and current glucose levels to provide exact and rounded insulin amounts, aiming to improve glycemic control and quality of life.
- Insulin dose calculation
- Pre-meal bolus calculation
- Correction dose calculation
- Input carb ratio
- Input sensitivity factor
- Input current blood glucose
- Input meal carbs
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Bolus Guide is a user-friendly tool designed to simplify life for those living with diabetes. This app is built with an intuitive interface to help calculate the correct amount of insulin needed for pre-meal bolus and correction doses. By inputting a few critical pieces of data - such as carb ratio, sensitivity factor, target blood glucose, current blood glucose, and meal carbs - Bolus Guide quickly generates the insulin dose you require. The calculated dose is provided as both an exact number and a rounded value for easy and safe insulin administration. The goal of Bolus Guide is to provide you with increased confidence in your insulin dosing, contribute to better glycemic control, and promote an overall improved quality of life. Please note that while Bolus Guide is a helpful tool, it should be used in conjunction with advice from medical professionals. Your health is our priority, and we aim to make living with diabetes a bit easier with Bolus Guide.
Screenshots
Verdict
The clearest difference is update cadence: Bolus Guide at every 5 days against GluCalc's every 4 months. GluCalc's advantage is iOS requirement (11.0 vs 16.0). 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.
GluCalc ships an update every 4 months, Bolus Guide every 5 days. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.
| Parameter | GluCalc | Bolus Guide |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.8 (12 ratings) — better |
| Positive reviews | — | 60.0% of reviews |
| Number of ratings | — | 12 — better |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 8 MB | 1 MB |
| Age rating | 4+ | 12+ |
| Developer | Alberto Clop | David Vincent |
In-app purchases
GluCalc
No in-app purchases
Bolus Guide
No in-app purchases
