# Binary Calculator & Converter vs Castrol Drivermeter

The clearest difference is ads: Castrol Drivermeter at none against Binary Calculator & Converter's shown. Binary Calculator & Converter's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, 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.

Binary Calculator & Converter ships an update every 6 months, Castrol Drivermeter every 7 months. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Binary Calculator & Converter | Castrol Drivermeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/binary-calculator-and-converter/id6450133343/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Ad-supported | — |
| Size | 30 MB | 31 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MINERVA K.K.](https://appshunter.io/developer/1597905460) | [Mobiliz Bilgi Ve Iletisim Teknolojileri AS](https://appshunter.io/developer/526407098) |

## What reviewers say

### Binary Calculator & Converter

[App page](https://appshunter.io/ios/app/binary-calculator-and-converter/id6450133343)

Easily convert numbers between binary, decimal, and hexadecimal formats. This tool is ideal for programming, digital electronics, and mathematics, offering a simple interface for instant conversion results.

**Highlights:** Binary to decimal conversion, Binary to hexadecimal conversion, Decimal to binary conversion, Decimal to hexadecimal conversion, Hexadecimal to binary conversion, Hexadecimal to decimal conversion, Simple and easy-to-use interface

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

**In-app purchases:** none


### Castrol Drivermeter

[App page](https://appshunter.io/ios/app/castrol-drivermeter/id6689519303)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Binary Calculator & Converter free?

Binary Calculator & Converter is free to download, with no in-app purchases.

### Is Castrol Drivermeter free?

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

### Do Binary Calculator & Converter or Castrol Drivermeter have ads?

Binary Calculator & Converter shows ads; Castrol Drivermeter does not.

### Which is updated more often, Binary Calculator & Converter or Castrol Drivermeter?

Binary Calculator & Converter ships an update every 6 months, and Castrol Drivermeter every 7 months. Most recently, Binary Calculator & Converter was updated on October 18, 2026 and Castrol Drivermeter on October 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.*