# Unit Converter vs HEMS (2.0)

The clearest difference is ads: HEMS (2.0) at none against Unit Converter's shown. HEMS (2.0) also leads on update cadence (every 3 months vs every 8 months). Unit Converter's advantage is iOS requirement (14.0 vs 16.4). On price, in-app purchases and device support there is nothing between them.

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

Unit Converter ships an update every 8 months, HEMS (2.0) every 3 months. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Unit Converter | HEMS (2.0) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 3 months** |
| Size | 6 MB | 91 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RAJAMRAGHU TECH](https://appshunter.io/developer/1772439027) | [Advant](https://appshunter.io/developer/1558663663) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-simple/id6450880292)

**Features:** macOS Compatibility

**In-app purchases:** none


### HEMS (2.0)

[App page](https://appshunter.io/ios/app/hems-20/id6751934572)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

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

### Is HEMS (2.0) free?

HEMS (2.0) is free to download, with no in-app purchases.

### Do Unit Converter or HEMS (2.0) have ads?

Unit Converter shows ads; HEMS (2.0) does not.

### Which is updated more often, Unit Converter or HEMS (2.0)?

Unit Converter ships an update every 8 months, and HEMS (2.0) every 3 months. Most recently, Unit Converter was updated on September 14, 2026 and HEMS (2.0) on September 19, 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.*