# Ratio Calculator Pro vs Cube Root Calculator SDG

The clearest difference is ads: Ratio Calculator Pro at none against Cube Root Calculator SDG's shown. Cube Root Calculator SDG's advantage is iOS requirement (11.0 vs 15). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ratio Calculator Pro ships an update every 19 months, Cube Root Calculator SDG every 12 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Ratio Calculator Pro | Cube Root Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 12 months** |
| Size | 7 MB | 12 MB |
| Requires iOS | 15 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### Ratio Calculator Pro

[App page](https://appshunter.io/ios/app/ratio-calculator-pro/id6463126280)

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

**In-app purchases:** none


### Cube Root Calculator SDG

[App page](https://appshunter.io/ios/app/cube-root-calculator-sdg/id6741202278)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ratio Calculator Pro free?

Ratio Calculator Pro is free to download, with no in-app purchases.

### Is Cube Root Calculator SDG free?

Cube Root Calculator SDG is free to download, with no in-app purchases.

### Do Ratio Calculator Pro or Cube Root Calculator SDG have ads?

Cube Root Calculator SDG shows ads; Ratio Calculator Pro does not.

### Which is updated more often, Ratio Calculator Pro or Cube Root Calculator SDG?

Ratio Calculator Pro ships an update every 19 months, and Cube Root Calculator SDG every 12 months. Most recently, Ratio Calculator Pro was updated on November 7, 2026 and Cube Root Calculator SDG on November 8, 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.*