# Virtual Breviary vs Bolus Guide

The clearest difference is update cadence: Bolus Guide at every 5 days against Virtual Breviary's fortnightly. Virtual Breviary's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Virtual Breviary ships an update fortnightly, Bolus Guide every 5 days. The most recent releases landed on September 23, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | Virtual Breviary | Bolus Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (12 ratings)](https://appshunter.io/ios/app/bolus-guide/id6450874936/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Free |
| Size | 18 MB | 1 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [IKEM](https://appshunter.io/developer/1343270482) | [David Vincent](https://appshunter.io/developer/1679655762) |

## What reviewers say

### Virtual Breviary

[App page](https://appshunter.io/ios/app/virtual-breviary/id1541480296)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Bolus Guide

[App page](https://appshunter.io/ios/app/bolus-guide/id6450874936)

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.

**Highlights:** Insulin dose calculation, Pre-meal bolus calculation, Correction dose calculation, Input carb ratio, Input sensitivity factor, Input current blood glucose, Input meal carbs

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Virtual Breviary free?

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

### Is Bolus Guide free?

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

### Do Virtual Breviary or Bolus Guide have ads?

Neither Virtual Breviary nor Bolus Guide shows ads.

### Which is updated more often, Virtual Breviary or Bolus Guide?

Virtual Breviary ships an update fortnightly, and Bolus Guide every 5 days. Most recently, Virtual Breviary was updated on September 23, 2026 and Bolus Guide on June 2, 2026.

---

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