# 体積計算アプリ~Volume calculator~ vs Sgrum

The clearest difference is price: Sgrum at Free against 体積計算アプリ~Volume calculator~'s $3.99. Sgrum also leads on update cadence (every 4 months vs every 11 months). 体積計算アプリ~Volume calculator~'s advantage is iOS requirement (9.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Sgrum is free to download; 体積計算アプリ~Volume calculator~ costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

体積計算アプリ~Volume calculator~ ships an update every 11 months, Sgrum every 4 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 体積計算アプリ~Volume calculator~ | Sgrum |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[2.5 (2 ratings)](https://appshunter.io/ios/app/sgrum/id1266233066/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 13.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 3 MB | 5 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takaaki Sasaki](https://appshunter.io/developer/525616408) | [SGRUM K.K.](https://appshunter.io/developer/1266233065) |

## What reviewers say

### 体積計算アプリ~Volume calculator~

[App page](https://appshunter.io/ios/app/volume-calculator/id547131606)

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

**In-app purchases:** none


### Sgrum

[App page](https://appshunter.io/ios/app/sgrum/id1266233066)

This platform allows parents and students to securely receive messages, photos, and documents from sports clubs and lessons. It features event calendars, attendance tracking, and easy communication for absences. Users can also manage lesson bookings and payments.

**Highlights:** Secure message and file delivery, Event calendar with attendance tracking, Easy absence reporting, Lesson booking and rescheduling, Monthly payment management, Family sharing of information

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

**In-app purchases:** none


## Frequently asked questions

### Is 体積計算アプリ~Volume calculator~ free?

体積計算アプリ~Volume calculator~ costs $3.99, with no in-app purchases.

### Is Sgrum free?

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

### Do 体積計算アプリ~Volume calculator~ or Sgrum have ads?

Neither 体積計算アプリ~Volume calculator~ nor Sgrum shows ads.

### Which is updated more often, 体積計算アプリ~Volume calculator~ or Sgrum?

体積計算アプリ~Volume calculator~ ships an update every 11 months, and Sgrum every 4 months. Most recently, 体積計算アプリ~Volume calculator~ was updated on October 24, 2026 and Sgrum on October 22, 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.*