# ARVolumeCalculation vs mapry測量

The clearest difference is in-app purchases: ARVolumeCalculation at none against mapry測量's 1. ARVolumeCalculation also leads on iOS requirement (15.0 vs 18.0). mapry測量's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. mapry測量 sells 1 in-app purchase, starting at $799.99 per year. ARVolumeCalculation asks for nothing beyond the download.

ARVolumeCalculation ships an update every 5 months, mapry測量 every 2 weeks. The most recent releases landed on September 11, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | ARVolumeCalculation | mapry測量 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Size | 88 MB | 219 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kazutaka komiya](https://appshunter.io/developer/1558955785) | [MAPRY Co., Ltd.](https://appshunter.io/developer/1394357768) |

## What reviewers say

### ARVolumeCalculation

[App page](https://appshunter.io/ios/app/arvolumecalculation/id6443721622)

**Features:** macOS Compatibility

**In-app purchases:** none


### mapry測量

[App page](https://appshunter.io/ios/app/mapry/id6443784788)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| mapry測量 (Yearly Paid Plan) | $799.99 | per year |


## Frequently asked questions

### Is ARVolumeCalculation free?

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

### Is mapry測量 free?

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

### Do ARVolumeCalculation or mapry測量 have ads?

ARVolumeCalculation shows ads; mapry測量 does not.

### Which is updated more often, ARVolumeCalculation or mapry測量?

ARVolumeCalculation ships an update every 5 months, and mapry測量 every 2 weeks. Most recently, ARVolumeCalculation was updated on September 11, 2026 and mapry測量 on September 1, 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.*