# Population Density Calculator vs RYB Color meter

The clearest difference is update cadence: Population Density Calculator at weekly against RYB Color meter's every 3 weeks. Population Density Calculator also leads on iOS requirement (13.0 vs 15.1). On price, ads, 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.

Population Density Calculator ships an update weekly, RYB Color meter every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Population Density Calculator | RYB Color meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 40 MB | 40 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stage Coding](https://appshunter.io/developer/1637068135) | [ERIK FRANKLIN ANGERSTIG](https://appshunter.io/developer/1885401386) |

## What reviewers say

### Population Density Calculator

[App page](https://appshunter.io/ios/app/population-density-calculator/id1619680947)

**Features:** macOS Compatibility

**In-app purchases:** none


### RYB Color meter

[App page](https://appshunter.io/ios/app/ryb-color-meter/id6760628228)

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

**In-app purchases:** none


## Frequently asked questions

### Is Population Density Calculator free?

Population Density Calculator is free to download, with no in-app purchases.

### Is RYB Color meter free?

RYB Color meter is free to download, with no in-app purchases.

### Do Population Density Calculator or RYB Color meter have ads?

Neither Population Density Calculator nor RYB Color meter shows ads.

### Which is updated more often, Population Density Calculator or RYB Color meter?

Population Density Calculator ships an update weekly, and RYB Color meter every 3 weeks. Most recently, Population Density Calculator was updated on October 27, 2026 and RYB Color meter 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.*