# Calculator 3D vs MathRoomBuddy

The clearest difference is price: Calculator 3D at Free against MathRoomBuddy's $0.99. Calculator 3D also leads on update cadence (every 5 weeks vs every 22 months). MathRoomBuddy's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 1). On ratings volume, device support and iOS requirement there is nothing between them.

Calculator 3D is free to download; MathRoomBuddy costs $0.99 up front. Calculator 3D sells 1 one-off in-app purchase. MathRoomBuddy asks for nothing beyond the download.

MathRoomBuddy holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Calculator 3D ships an update every 5 weeks, MathRoomBuddy every 22 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Calculator 3D | MathRoomBuddy |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/calculator-3d/id879830848/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mathroombuddy/id1466211804/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 22 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 181 MB | 8 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [Mike Green](https://appshunter.io/developer/1466211803) |

## What reviewers say

### Calculator 3D

[App page](https://appshunter.io/ios/app/calculator-3d/id879830848)

This utility app offers a unique calculator experience with animated characters presenting results. Enjoy interactive features like swiping to change backgrounds and reset numbers, all enhanced by atmospheric sounds. It's a fun and colorful way to perform calculations.

**Highlights:** Animated character results, Swipe gestures for background/reset, Atmospheric sound effects, Interactive animations based on result size, Customizable background colors

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $0.99 | one-time |


### 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


## Frequently asked questions

### Is Calculator 3D free?

Calculator 3D is free to download, with in-app purchases available.

### Is MathRoomBuddy free?

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

### Which has better reviews, Calculator 3D or MathRoomBuddy?

MathRoomBuddy is rated higher. Calculator 3D averages 4.0 out of 5 from 4 ratings, while MathRoomBuddy averages 5.0 from 2 ratings.

### Do Calculator 3D or MathRoomBuddy have ads?

Calculator 3D shows ads; MathRoomBuddy does not.

### Which is updated more often, Calculator 3D or MathRoomBuddy?

Calculator 3D ships an update every 5 weeks, and MathRoomBuddy every 22 months. Most recently, Calculator 3D was updated on October 24, 2026 and MathRoomBuddy on October 20, 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.*