# Unit converter vs EVTools

The clearest difference is ads: EVTools at none against Unit converter's shown. EVTools also leads on update cadence (monthly vs every 24 months). Unit converter's advantage is iOS requirement (15.6 vs 18.5). 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 24 months, EVTools monthly. The most recent releases landed on October 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Unit converter | EVTools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/unit-converter-convert-unit/id1582803086/reviews)** | — |
| Number of ratings | **14** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 24 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 7 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Deepak Jalwa](https://appshunter.io/developer/1809904290) | [Richard Walker](https://appshunter.io/developer/1016056619) |

## What reviewers say

### Unit converter

[App page](https://appshunter.io/ios/app/unit-converter-convert-unit/id1582803086)

This application offers a straightforward and efficient way to convert various units. It features a simple interface for quick conversions and allows users to save their conversion history for future reference.

**Highlights:** Simple unit conversion, Quick conversion tool, Save conversion history, Intuitive UI, Elegant design

**Features:** macOS Compatibility

**In-app purchases:** none


### EVTools

[App page](https://appshunter.io/ios/app/evtools/id6798490324)

**Features:** macOS Compatibility, Apple Watch app, 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 EVTools free?

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

### Do Unit converter or EVTools have ads?

Unit converter shows ads; EVTools does not.

### Which is updated more often, Unit converter or EVTools?

Unit converter ships an update every 24 months, and EVTools monthly. Most recently, Unit converter was updated on October 8, 2026 and EVTools on September 28, 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.*