# All Unit Conversion vs Cube Root Calculator SDG

The clearest difference is ads: All Unit Conversion at none against Cube Root Calculator SDG's shown. All Unit Conversion also leads on update cadence (every 2 months vs every 12 months). Cube Root Calculator SDG's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.6). On price and in-app purchases there is nothing between them.

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

All Unit Conversion ships an update every 2 months, Cube Root Calculator SDG every 12 months. The most recent releases landed on September 13, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | All Unit Conversion | Cube Root Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17 ratings)](https://appshunter.io/ios/app/all-unit-conversion/id1418597453/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Free | — |
| Size | 22 MB | 12 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tiago Do Couto](https://appshunter.io/developer/1291604717) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### All Unit Conversion

[App page](https://appshunter.io/ios/app/all-unit-conversion/id1418597453)

Easily convert between various units of measurement with this free utility app. It supports conversions for length, area, volume, mass, time, digital storage, energy, and currency.

**Highlights:** Length conversion, Area conversion, Volume conversion, Mass conversion, Time conversion, Currency conversion

**Features:** macOS Compatibility

**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 All Unit Conversion free?

All Unit Conversion 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 All Unit Conversion or Cube Root Calculator SDG have ads?

Cube Root Calculator SDG shows ads; All Unit Conversion does not.

### Which is updated more often, All Unit Conversion or Cube Root Calculator SDG?

All Unit Conversion ships an update every 2 months, and Cube Root Calculator SDG every 12 months. Most recently, All Unit Conversion was updated on September 13, 2026 and Cube Root Calculator SDG on September 26, 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.*