# HEMS vs Volume Converter

The clearest difference is in-app purchases: HEMS at none against Volume Converter's 2. HEMS also leads on iOS requirement (11.0 vs 15.0). Volume Converter's advantage is device support. On price there is nothing between them.

Both are free to download. Volume Converter sells 2 in-app purchases, starting at $4.99 per month. HEMS asks for nothing beyond the download.

## The numbers

| Metric | HEMS | Volume Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/volume-converter-capacon/id6743525867/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 10 months |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 29 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NDR Solution (Thailand) Co., Ltd.](https://appshunter.io/developer/1154010912) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### HEMS

[App page](https://appshunter.io/ios/app/hems/id1621255553)

**In-app purchases:** none


### Volume Converter

[App page](https://appshunter.io/ios/app/volume-converter-capacon/id6743525867)

This versatile tool converts volume and capacity units across many systems, including metric, US, UK, and traditional Japanese measurements. Its simple, intuitive interface provides instant results, making it useful for professionals and students in fields like engineering, cooking, and architecture. The app functions offline, ensuring accessibility anywhere.

**Highlights:** Converts volume and capacity units, Supports metric, US, UK, and Japanese units, Instant conversion results, Simple and intuitive interface, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## Frequently asked questions

### Is HEMS free?

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

### Is Volume Converter free?

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

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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.*