# Population Density Calculator vs QuantumPass

The clearest difference is in-app purchases: Population Density Calculator at none against QuantumPass's 3. Population Density Calculator also leads on update cadence (weekly vs every 10 months) and iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. QuantumPass sells 3 one-off in-app purchases. Population Density Calculator asks for nothing beyond the download.

Population Density Calculator ships an update weekly, QuantumPass every 10 months. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Population Density Calculator | QuantumPass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 months |
| Size | 40 MB | 3 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [STAGE CODING, Travnik](https://appshunter.io/developer/1637068135) | [Valerie Otero](https://appshunter.io/developer/1848585337) |

## What reviewers say

### Population Density Calculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### QuantumPass

[App page](https://appshunter.io/ios/app/quantumpass/id6755789663)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small coffee | $1.99 | one-time |
| Medium coffee | $3.99 | one-time |
| Large coffee | $5.99 | one-time |


## Frequently asked questions

### Is Population Density Calculator free?

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

### Is QuantumPass free?

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

### Do Population Density Calculator or QuantumPass have ads?

Neither Population Density Calculator nor QuantumPass shows ads.

### Which is updated more often, Population Density Calculator or QuantumPass?

Population Density Calculator ships an update weekly, and QuantumPass every 10 months. Most recently, Population Density Calculator was updated on September 30, 2026 and QuantumPass on October 6, 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.*