# Volume vs Opolgraf AR

Volume and Opolgraf AR are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Volume | Opolgraf AR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 26 MB | 125 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Sonia Draga Sp. z o.o.](https://appshunter.io/developer/1692769518) | [Entropic](https://appshunter.io/developer/1776322462) |

## What reviewers say

### Volume

[App page](https://appshunter.io/ios/app/volume/id6450309948)

**In-app purchases:** none


### Opolgraf AR

[App page](https://appshunter.io/ios/app/opolgraf-ar/id6746749983)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Volume free?

Volume is free to download, with no in-app purchases.

### Is Opolgraf AR free?

Opolgraf AR is free to download, with no in-app purchases.

### Do Volume or Opolgraf AR have ads?

Neither Volume nor Opolgraf AR shows ads.

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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.*