# Conversion Calculator Plus vs Blood Sugar Unit Converter

The clearest difference is review sentiment: Conversion Calculator Plus at 70% against Blood Sugar Unit Converter's 25%. Conversion Calculator Plus also leads on update cadence (every 2 days vs every 2 months) and rating (4.7 vs 4.3). Blood Sugar Unit Converter's advantage is ads (none vs shown) and iOS requirement (15 vs 17.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Conversion Calculator Plus sells 1 in-app purchase, starting at $9.99 per year and Blood Sugar Unit Converter sells 5 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Conversion Calculator Plus holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Conversion Calculator Plus has 15K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 70% of Conversion Calculator Plus's written reviews are positive against 25% of Blood Sugar Unit Converter's.

Conversion Calculator Plus ships an update every 2 days, Blood Sugar Unit Converter every 2 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | Conversion Calculator Plus | Blood Sugar Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15K ratings)](https://appshunter.io/ios/app/conversion-calculator-plus/id1113920724/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/blood-sugar-unit-converter/id1556071095/reviews) |
| Number of ratings | **15K** | 3 |
| Positive reviews | **69.5% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 59 MB | 27 MB |
| Requires iOS | 17.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adysseus](https://appshunter.io/developer/447444997) | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) |

## What reviewers say

### Conversion Calculator Plus

[App page](https://appshunter.io/ios/app/conversion-calculator-plus/id1113920724)

This app is a versatile unit and currency converter with a user-friendly interface. It supports a wide range of conversion categories, including real-world and crypto currencies, with automatic exchange rate updates. Customize your experience with design options, dark mode, and adjustable home screen layouts.

**Highlights:** Unit and currency conversion, Supports 160+ currencies (real & crypto), Automatic currency exchange rate updates, Simple or carousel design options, Dark Mode support, Customizable home screen layout, Split screen mode on iPad

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads For One Year | $9.99 | per year |

**What reviewers like**

- 🚀 Great app
- 👍 Easy to use
- 🚀 Comprehensive conversions
- 👍 Intuitive interface
- 🚀 Useful tool

**What reviewers complain about**

- 🐛 Consent required for tracking
- 🐛 Update problems
- 🐛 Currency not updating
- 🔒 Forced to allow tracking
- 🔒 Forced to subscribe or view ads

**Reported bugs**

- Currency conversion not working
- App gets stuck on consent page
- Unable to get past ads/subscription page

**Requested features**

- Add running pace conversions
- Add shoe size converter
- Provide paid ad-free version


### Blood Sugar Unit Converter

[App page](https://appshunter.io/ios/app/blood-sugar-unit-converter/id1556071095)

Instantly convert blood sugar readings between mg/dL and mmol/L with this easy-to-use calculator. It also offers an HbA1c calculator and a personal diary to log and visualize your glucose history.

**Highlights:** Blood sugar unit conversion (mg/dL to mmol/L), HbA1c calculation, Personal blood sugar diary, Glucose charts and statistics, PDF export of glucose data, Local data storage

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | per month |
| Remove Ads | $1.49 | per 2 months |
| Remove Ads | $3.49 | per 6 months |
| Remove Ads | $4.99 | per year |
| Remove Ads | $4.89 | one-time |


## Frequently asked questions

### Is Conversion Calculator Plus free?

Conversion Calculator Plus is free to download, with in-app purchases available.

### Is Blood Sugar Unit Converter free?

Blood Sugar Unit Converter is free to download, with in-app purchases available.

### Which has better reviews, Conversion Calculator Plus or Blood Sugar Unit Converter?

Conversion Calculator Plus is rated higher. Conversion Calculator Plus averages 4.7 out of 5 from 15K ratings, while Blood Sugar Unit Converter averages 4.3 from 3 ratings.

### Do Conversion Calculator Plus or Blood Sugar Unit Converter have ads?

Conversion Calculator Plus shows ads; Blood Sugar Unit Converter does not.

### Which is updated more often, Conversion Calculator Plus or Blood Sugar Unit Converter?

Conversion Calculator Plus ships an update every 2 days, and Blood Sugar Unit Converter every 2 months. Most recently, Conversion Calculator Plus was updated on November 7, 2026 and Blood Sugar Unit Converter on November 7, 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.*