# Digimarc Validate vs Cube Root Calculator SDG

The clearest difference is ads: Digimarc Validate at none against Cube Root Calculator SDG's shown. Digimarc Validate also leads on update cadence (every 6 weeks vs every 12 months). Cube Root Calculator SDG's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 26.2). 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.

Digimarc Validate ships an update every 6 weeks, Cube Root Calculator SDG every 12 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Digimarc Validate | Cube Root Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 12 months |
| Size | 46 MB | 12 MB |
| Requires iOS | 26.2 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Digimarc](https://appshunter.io/developer/348205304) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### Digimarc Validate

[App page](https://appshunter.io/ios/app/digimarc-validate/id6711345278)

**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 Digimarc Validate free?

Digimarc Validate 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 Digimarc Validate or Cube Root Calculator SDG have ads?

Cube Root Calculator SDG shows ads; Digimarc Validate does not.

### Which is updated more often, Digimarc Validate or Cube Root Calculator SDG?

Digimarc Validate ships an update every 6 weeks, and Cube Root Calculator SDG every 12 months. Most recently, Digimarc Validate was updated on October 25, 2026 and Cube Root Calculator SDG on October 25, 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.*