# ARVolumeCalculation vs 鉄筋電卓 − 重量・定尺・配筋・生コン

The clearest difference is in-app purchases: ARVolumeCalculation at none against 鉄筋電卓 − 重量・定尺・配筋・生コン's 1. 鉄筋電卓 − 重量・定尺・配筋・生コン's advantage is ads (none vs shown) and update cadence (weekly vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 鉄筋電卓 − 重量・定尺・配筋・生コン sells 1 one-off in-app purchase. ARVolumeCalculation asks for nothing beyond the download.

ARVolumeCalculation ships an update every 5 months, 鉄筋電卓 − 重量・定尺・配筋・生コン weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ARVolumeCalculation | 鉄筋電卓 − 重量・定尺・配筋・生コン |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Size | 88 MB | 62 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kazutaka komiya](https://appshunter.io/developer/1558955785) | [Moeki Kozawa](https://appshunter.io/developer/1770452138) |

## What reviewers say

### ARVolumeCalculation

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 鉄筋電卓 − 重量・定尺・配筋・生コン

[App page](https://appshunter.io/ios/app/id6783316434)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rebar Calc Pro | $4.99 | one-time |


## Frequently asked questions

### Is ARVolumeCalculation free?

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

### Is 鉄筋電卓 − 重量・定尺・配筋・生コン free?

鉄筋電卓 − 重量・定尺・配筋・生コン is free to download, with in-app purchases available.

### Do ARVolumeCalculation or 鉄筋電卓 − 重量・定尺・配筋・生コン have ads?

ARVolumeCalculation shows ads; 鉄筋電卓 − 重量・定尺・配筋・生コン does not.

### Which is updated more often, ARVolumeCalculation or 鉄筋電卓 − 重量・定尺・配筋・生コン?

ARVolumeCalculation ships an update every 5 months, and 鉄筋電卓 − 重量・定尺・配筋・生コン weekly. Most recently, ARVolumeCalculation was updated on October 27, 2026 and 鉄筋電卓 − 重量・定尺・配筋・生コン on October 31, 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.*