# Calculator vs Data Converter.

The clearest difference is in-app purchases: Data Converter. at none against Calculator's 1. Data Converter. also leads on update cadence (every 10 days vs every 2 months) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Calculator sells 1 one-off in-app purchase. Data Converter. asks for nothing beyond the download.

Calculator ships an update every 2 months, Data Converter. every 10 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Calculator | Data Converter. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-brill-calc/id6478857571/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 3 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Maxim Frolov](https://appshunter.io/developer/1008508211) | [Luis Borges](https://appshunter.io/developer/1854283771) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-brill-calc/id6478857571)

This calculator app features a unique hexagonal interface with color-coded buttons for easy operation. It offers a comprehensive set of mathematical functions, including basic operations, trigonometry, logarithms, and memory functions, optimized for touch control.

**Highlights:** Unique hexagonal button layout, Full scientific and basic math functions, Trigonometric and logarithmic operations, Memory functions (m+, m-, AC), Radian/degree toggle, Color-coded buttons

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Version | $4.99 | one-time |


### Data Converter.

[App page](https://appshunter.io/ios/app/data-converter/id6758274749)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is Data Converter. free?

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

### Do Calculator or Data Converter. have ads?

Neither Calculator nor Data Converter. shows ads.

### Which is updated more often, Calculator or Data Converter.?

Calculator ships an update every 2 months, and Data Converter. every 10 days. Most recently, Calculator was updated on October 24, 2026 and Data Converter. on October 25, 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.*