# All Unit Conversion vs M5 USA

The clearest difference is update cadence: M5 USA at every 2 weeks against All Unit Conversion's every 2 months. M5 USA also leads on iOS requirement (13.0 vs 16.6). On price, ads, 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.

All Unit Conversion ships an update every 2 months, M5 USA every 2 weeks. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | All Unit Conversion | M5 USA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (29 ratings)](https://appshunter.io/ios/app/all-unit-conversion/id1418597453/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 22 MB | 37 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tiago Do Couto](https://appshunter.io/developer/1291604717) | [M5 Global](https://appshunter.io/developer/1564342420) |

## What reviewers say

### All Unit Conversion

[App page](https://appshunter.io/ios/app/all-unit-conversion/id1418597453)

Easily convert between various units of measurement with this free utility app. It supports conversions for length, area, volume, mass, time, digital storage, energy, and currency.

**Highlights:** Length conversion, Area conversion, Volume conversion, Mass conversion, Time conversion, Currency conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### M5 USA

[App page](https://appshunter.io/ios/app/m5-usa/id6447535672)

**In-app purchases:** none


## Frequently asked questions

### Is All Unit Conversion free?

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

### Is M5 USA free?

M5 USA is free to download, with no in-app purchases.

### Do All Unit Conversion or M5 USA have ads?

Neither All Unit Conversion nor M5 USA shows ads.

### Which is updated more often, All Unit Conversion or M5 USA?

All Unit Conversion ships an update every 2 months, and M5 USA every 2 weeks. Most recently, All Unit Conversion was updated on October 24, 2026 and M5 USA on October 5, 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.*