# KPS Link vs Wire Size & Ampacity Calc

The clearest difference is in-app purchases: KPS Link at none against Wire Size & Ampacity Calc's 3. KPS Link also leads on iOS requirement (12.0 vs 16.0). Wire Size & Ampacity Calc's advantage is update cadence (every 2 months vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. Wire Size & Ampacity Calc sells 3 in-app purchases, starting at $2.99 per month. KPS Link asks for nothing beyond the download.

KPS Link ships an update every 11 months, Wire Size & Ampacity Calc every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | KPS Link | Wire Size & Ampacity Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 9 MB | 9 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MGL APPA CORPORATION](https://appshunter.io/developer/1121102475) | [HD YAPIMCILIK VE TEKNOLOJI ITHALAT IHRACAT TICARET LIMITED SIRKETI](https://appshunter.io/developer/1871741424) |

## What reviewers say

### KPS Link

[App page](https://appshunter.io/ios/app/kps-link/id1581513481)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wire Size & Ampacity Calc

[App page](https://appshunter.io/ios/app/wire-size-and-ampacity-calc/id6796341481)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WireSize Pro — Monthly | $2.99 | per month |
| WireSize Pro — Yearly | $14.99 | per year |
| WireSize Pro — Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is KPS Link free?

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

### Is Wire Size & Ampacity Calc free?

Wire Size & Ampacity Calc is free to download, with in-app purchases available.

### Do KPS Link or Wire Size & Ampacity Calc have ads?

Neither KPS Link nor Wire Size & Ampacity Calc shows ads.

### Which is updated more often, KPS Link or Wire Size & Ampacity Calc?

KPS Link ships an update every 11 months, and Wire Size & Ampacity Calc every 2 months. Most recently, KPS Link was updated on November 3, 2026 and Wire Size & Ampacity Calc on November 3, 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.*