# BolusCalc vs Dexcom Follow

The clearest difference is rating: BolusCalc at 3.8 against Dexcom Follow's 1.6. BolusCalc also leads on review sentiment (42% vs 6%) and update cadence (every 2 days vs every 2 months). Dexcom Follow's advantage is ratings volume (841 vs 23) and chart position (#48 vs unranked). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BolusCalc holds the better App Store score, 3.8 against 1.6. That said, the two scores are not equally well evidenced: Dexcom Follow has 841 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 42% of BolusCalc's written reviews are positive against 6% of Dexcom Follow's.

BolusCalc ships an update every 2 days, Dexcom Follow every 2 months. The most recent releases landed on September 13, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | BolusCalc | Dexcom Follow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (23 ratings)](https://appshunter.io/ios/app/boluscalc/id1521364754/reviews)** | [1.6 (841 ratings)](https://appshunter.io/ios/app/dexcom-follow/id6746294350/reviews) |
| Number of ratings | 23 | **841** |
| Positive reviews | **42.1% of reviews** | 5.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Free | Free |
| Best chart rank | — | **#48** |
| Size | 65 MB | 236 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [BC Children's Hospital](https://appshunter.io/developer/1521364756) | [Dexcom](https://appshunter.io/developer/457035738) |

## What reviewers say

### BolusCalc

[App page](https://appshunter.io/ios/app/boluscalc/id1521364754)

This app assists with calculating insulin doses for individuals managing diabetes. It offers features for simple bolus calculations, insulin sliding scales, and adjustments based on continuous glucose monitoring data. Supports both Canadian and U.S. blood glucose units.

**Highlights:** Simple insulin bolus calculation, Insulin sliding scale generation, Correction for CGMS arrows, Supports MDI users, Canadian and U.S. units

**Features:** macOS Compatibility

**In-app purchases:** none


### Dexcom Follow

[App page](https://appshunter.io/ios/app/dexcom-follow/id6746294350)

**Currently charting:** #48 Top Free · Medical (US App Store)

This app allows you to remotely monitor the glucose levels and trends of loved ones using a compatible continuous glucose monitoring system. Receive customizable alerts for out-of-range glucose levels, providing peace of mind and enabling timely responses.

**Highlights:** Remote glucose monitoring, View glucose trends, Customizable glucose alerts, Push notifications, Monitor up to 25 sharers

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Improved design

**What reviewers complain about**

- 🔍 No widget available
- 🔍 No live updates or Apple Watch support
- 🔍 Reduced functionality compared to old app

**Reported bugs**

- Login issues preventing app usage

**Requested features**

- Add widget feature
- Implement live updates and Apple Watch support
- Restore previous app functionality


## Frequently asked questions

### Is BolusCalc free?

BolusCalc is free to download, with no in-app purchases.

### Is Dexcom Follow free?

Dexcom Follow is free to download, with no in-app purchases.

### Which has better reviews, BolusCalc or Dexcom Follow?

BolusCalc is rated higher. BolusCalc averages 3.8 out of 5 from 23 ratings, while Dexcom Follow averages 1.6 from 841 ratings.

### Do BolusCalc or Dexcom Follow have ads?

Neither BolusCalc nor Dexcom Follow shows ads.

### Which is updated more often, BolusCalc or Dexcom Follow?

BolusCalc ships an update every 2 days, and Dexcom Follow every 2 months. Most recently, BolusCalc was updated on September 13, 2026 and Dexcom Follow on September 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*