Insulin vs Bolus Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Insulin
This medical app assists healthcare professionals in calculating insulin doses for basal-bolus therapy. It offers efficient input methods and provides key metrics like insulin units/kg/day, carbohydrate ratios, and sensitivity factors. Additional tools include A1C conversion and BMI calculation.
- Insulin dose calculation
- Basal-bolus therapy support
- Patient weight and TDD input via sliders
- Carbohydrate-to-insulin ratio
- Insulin sensitivity factor
- A1C to estimated average glucose converter
- BMI calculator
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Insulin-Rx application is a convenient insulin dose calculator intended for use by healthcare professionals who prescribe basal-bolus insulin therapy. Patient weight and total daily insulin can be efficiently entered in by using sliders instead of typing in the values. The calculator then displays insulin units/kg/day, carbohydrate-to-insulin ratio, insulin sensitivity (correction factor), fixed meal bolus dose, and daily basal dose. A calculator that converts hemoglobin A1C to the estimated corresponding average glucose value is also included as well as a converter of centimeters to inches together with a body mass index calculator.
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 rating: Insulin at 4.7 against Bolus Guide's 3.8. Bolus Guide's advantage is update cadence (every 5 days vs every 9 months) and review sentiment (60% vs 33%). On price, ads, in-app purchases and monetization model 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.
Insulin holds the better App Store score, 4.7 against 3.8. Both are backed by a comparable volume of ratings — 3 and 12 respectively. Written reviews complicate that: 33% of Insulin's written reviews are positive against 60% of Bolus Guide's, so the app with the better star average is not the one people write more warmly about.
Insulin ships an update every 9 months, Bolus Guide every 5 days. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.
| Parameter | Insulin | Bolus Guide |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | 3.8 (12 ratings) |
| Positive reviews | 33.3% of reviews | 60.0% of reviews — better |
| Number of ratings | 3 | 12 — better |
| Update frequency | Every 9 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.2 — better | 16.0 |
| Further details — not scored | ||
| Size | 0 MB | 1 MB |
| Age rating | 17+ | 12+ |
| Developer | Adam Lyko | David Vincent |
Customer experience
Insulin
Bolus Guide
In-app purchases
Insulin
No in-app purchases
Bolus Guide
No in-app purchases








