# Converter vs Unit Converter for Physics

The clearest difference is in-app purchases: Converter at none against Unit Converter for Physics's 1. Converter also leads on iOS requirement (15.0 vs 18.6). Unit Converter for Physics's advantage is ads (none vs shown) and update cadence (every 10 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Unit Converter for Physics sells 1 one-off in-app purchase. Converter asks for nothing beyond the download.

Converter ships an update every 3 months, Unit Converter for Physics every 10 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Converter | Unit Converter for Physics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 23 MB | 2 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CHI HOU LAM](https://appshunter.io/developer/1559222253) | [Jatuphol Jaturapat](https://appshunter.io/developer/1788860463) |

## What reviewers say

### Converter

[App page](https://appshunter.io/ios/app/converter-common-units-convert/id1570015168)

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

**In-app purchases:** none


### Unit Converter for Physics

[App page](https://appshunter.io/ios/app/unit-converter-for-physics/id6745997040)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Solution | $0.99 | one-time |


## Frequently asked questions

### Is Converter free?

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

### Is Unit Converter for Physics free?

Unit Converter for Physics is free to download, with in-app purchases available.

### Do Converter or Unit Converter for Physics have ads?

Converter shows ads; Unit Converter for Physics does not.

### Which is updated more often, Converter or Unit Converter for Physics?

Converter ships an update every 3 months, and Unit Converter for Physics every 10 days. Most recently, Converter was updated on October 30, 2026 and Unit Converter for Physics on October 24, 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.*