# Bread Units Calculator System vs HRM Battery

The clearest difference is update cadence: HRM Battery at every 10 days against Bread Units Calculator System's every 2 months. HRM Battery also leads on price ($1.99 vs $4.99) and iOS requirement (16.0 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

Bread Units Calculator System costs $4.99 and HRM Battery $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bread Units Calculator System ships an update every 2 months, HRM Battery every 10 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bread Units Calculator System | HRM Battery |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/bread-units-calculator-system/id778105158/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Paid | — |
| Size | 108 MB | 3 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jommi UG (haftungsbeschrankt)](https://appshunter.io/developer/338518785) | [DAN URBANEK](https://appshunter.io/developer/1875347262) |

## What reviewers say

### Bread Units Calculator System

[App page](https://appshunter.io/ios/app/bread-units-calculator-system/id778105158)

This app helps diabetics manage their blood sugar levels by calculating carbohydrate equivalents in bread units for thousands of foods. It simplifies meal planning and insulin dosage by providing accurate counts for individual ingredients and combined meals.

**Highlights:** Bread units & calories for thousands of foods, Adjustable carb unit calculations, Quick food search, Serving size calculator, Save personal serving sizes, Meal planner with accurate BU counts, VoiceOver support

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

**In-app purchases:** none


### HRM Battery

[App page](https://appshunter.io/ios/app/hrm-battery/id6758920011)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Bread Units Calculator System free?

Bread Units Calculator System costs $4.99, with no in-app purchases.

### Is HRM Battery free?

HRM Battery costs $1.99, with no in-app purchases.

### Do Bread Units Calculator System or HRM Battery have ads?

Neither Bread Units Calculator System nor HRM Battery shows ads.

### Which is updated more often, Bread Units Calculator System or HRM Battery?

Bread Units Calculator System ships an update every 2 months, and HRM Battery every 10 days. Most recently, Bread Units Calculator System was updated on November 1, 2026 and HRM Battery on October 31, 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.*