# Calcubench vs Volume Shader

The clearest difference is in-app purchases: Volume Shader at none against Calcubench's 1. Calcubench's advantage is ads (none vs shown) and update cadence (every 9 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Calcubench sells 1 one-off in-app purchase. Volume Shader asks for nothing beyond the download.

Calcubench ships an update every 9 days, Volume Shader monthly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calcubench | Volume Shader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (10 ratings)](https://appshunter.io/ios/app/volume-shader/id6802010333/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 16 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JUAN MATIAS DEBARBORA](https://appshunter.io/developer/6791974606) | [Shahid Ali](https://appshunter.io/developer/6802010335) |

## What reviewers say

### Calcubench

[App page](https://appshunter.io/ios/app/calcubench-engineering-calc/id6791974604)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calcubench Pro | $6.99 | one-time |


### Volume Shader

[App page](https://appshunter.io/ios/app/volume-shader/id6802010333)

Explore complex 3D fractal visualizations rendered natively on your iPhone or iPad. Test your device's GPU performance and check system states like thermal and battery.

**Highlights:** Native Metal GPU rendering, Mandelbulb ray marching, Device performance testing, System state monitoring, Interactive 3D exploration, Touch, haptic, and speaker checks

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

**In-app purchases:** none


## Frequently asked questions

### Is Calcubench free?

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

### Is Volume Shader free?

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

### Do Calcubench or Volume Shader have ads?

Volume Shader shows ads; Calcubench does not.

### Which is updated more often, Calcubench or Volume Shader?

Calcubench ships an update every 9 days, and Volume Shader monthly. Most recently, Calcubench was updated on October 17, 2026 and Volume Shader on October 24, 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.*