# AWG Convert vs HE.FMX

The clearest difference is update cadence: AWG Convert at every 3 months against HE.FMX's every 42 months. HE.FMX's advantage is iOS requirement (11.0 vs 15.0). 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.

AWG Convert ships an update every 3 months, HE.FMX every 42 months. Both last shipped on September 29, 2026.

## The numbers

| Metric | AWG Convert | HE.FMX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 42 months |
| Monetization | Free | — |
| Size | 1 MB | 37 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod, Vision Pro | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nelcea](https://appshunter.io/developer/1694672221) | [Guido brancalion](https://appshunter.io/developer/1437358019) |

## What reviewers say

### AWG Convert

[App page](https://appshunter.io/ios/app/awg-convert/id288990217)

Easily convert wire sizes between American Wire Gauge (AWG) and metric/imperial units. Get diameter and cross-sectional area for your wiring needs.

**Highlights:** AWG to metric conversion, AWG to imperial conversion, Diameter calculation, Cross-sectional area calculation, Supports various units

**Features:** macOS Compatibility

**In-app purchases:** none


### HE.FMX

[App page](https://appshunter.io/ios/app/hefmx/id1437358020)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AWG Convert free?

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

### Is HE.FMX free?

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

### Do AWG Convert or HE.FMX have ads?

Neither AWG Convert nor HE.FMX shows ads.

### Which is updated more often, AWG Convert or HE.FMX?

AWG Convert ships an update every 3 months, and HE.FMX every 42 months. Most recently, AWG Convert was updated on September 29, 2026 and HE.FMX on September 29, 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.*