# Calculator 3D vs XFauna

The clearest difference is in-app purchases: XFauna at none against Calculator 3D's 1. XFauna also leads on ads (none vs shown). Calculator 3D's advantage is update cadence (every 5 weeks vs every 5 months) and iOS requirement (11.0 vs 15.2). On price and device support there is nothing between them.

Both are free to download. Calculator 3D sells 1 one-off in-app purchase. XFauna asks for nothing beyond the download.

Calculator 3D ships an update every 5 weeks, XFauna every 5 months. The most recent releases landed on August 31, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Calculator 3D | XFauna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/calculator-3d/id879830848/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 181 MB | 123 MB |
| Requires iOS | **11.0** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [MPA Solutions Soc. Coop.](https://appshunter.io/developer/1804552702) |

## 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 |


### XFauna

[App page](https://appshunter.io/ios/app/xfauna/id6743789148)

**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 XFauna free?

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

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

Calculator 3D shows ads; XFauna does not.

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

Calculator 3D ships an update every 5 weeks, and XFauna every 5 months. Most recently, Calculator 3D was updated on August 31, 2026 and XFauna on September 9, 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.*