# JS Maintenance Mate vs Unit Converter AWG

The clearest difference is in-app purchases: JS Maintenance Mate at none against Unit Converter AWG's 2. JS Maintenance Mate also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.6). Unit Converter AWG's advantage is update cadence (every 2 weeks vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. Unit Converter AWG sells 2 in-app purchases, starting at $3.99 per year. JS Maintenance Mate asks for nothing beyond the download.

JS Maintenance Mate ships an update every 5 weeks, Unit Converter AWG every 2 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | JS Maintenance Mate | Unit Converter AWG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 26 MB | 24 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JS Proputec AS](https://appshunter.io/developer/1542351307) | [Tillman Konsult AB](https://appshunter.io/developer/1818254103) |

## What reviewers say

### JS Maintenance Mate

[App page](https://appshunter.io/ios/app/js-maintenance-mate/id1542351245)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Converter AWG

[App page](https://appshunter.io/ios/app/unit-converter-awg/id6747013847)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $3.99 | per year |
| Premium Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is JS Maintenance Mate free?

JS Maintenance Mate is free to download, with no in-app purchases.

### Is Unit Converter AWG free?

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

### Do JS Maintenance Mate or Unit Converter AWG have ads?

Unit Converter AWG shows ads; JS Maintenance Mate does not.

### Which is updated more often, JS Maintenance Mate or Unit Converter AWG?

JS Maintenance Mate ships an update every 5 weeks, and Unit Converter AWG every 2 weeks. Most recently, JS Maintenance Mate was updated on October 27, 2026 and Unit Converter AWG on October 30, 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.*