# MathRoomBuddy vs XLII

The clearest difference is price: XLII at Free against MathRoomBuddy's $0.99. MathRoomBuddy's advantage is iOS requirement (12.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

XLII is free to download; MathRoomBuddy costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MathRoomBuddy ships an update every 22 months, XLII every 12 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | MathRoomBuddy | XLII |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mathroombuddy/id1466211804/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 12 months** |
| Monetization | Paid | — |
| Size | 8 MB | 15 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Mike Green](https://appshunter.io/developer/1466211803) | [telethon k.k.](https://appshunter.io/developer/699508003) |

## What reviewers say

### MathRoomBuddy

[App page](https://appshunter.io/ios/app/mathroombuddy/id1466211804)

This utility app converts between IEEE floating-point and raw values, as well as hexadecimal and decimal formats. It also functions as a simple RPN calculator.

**Highlights:** IEEE floating-point conversion, Hexadecimal to decimal conversion, Decimal to hexadecimal conversion, RPN calculator functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### XLII

[App page](https://appshunter.io/ios/app/xlii/id1611293280)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MathRoomBuddy free?

MathRoomBuddy costs $0.99, with no in-app purchases.

### Is XLII free?

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

### Do MathRoomBuddy or XLII have ads?

Neither MathRoomBuddy nor XLII shows ads.

### Which is updated more often, MathRoomBuddy or XLII?

MathRoomBuddy ships an update every 22 months, and XLII every 12 months. Most recently, MathRoomBuddy was updated on October 3, 2026 and XLII on October 11, 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.*