# WireSizer vs HL

The clearest difference is price: HL at Free against WireSizer's $4.99. HL also leads on update cadence (monthly vs every 5 months) and iOS requirement (9.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

HL is free to download; WireSizer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WireSizer ships an update every 5 months, HL monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | WireSizer | HL |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (227 ratings)](https://appshunter.io/ios/app/wiresizer-dc-voltage-drop/id494748550/reviews)** | — |
| Number of ratings | **227** | — |
| Positive reviews | 81.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Paid | — |
| Size | 2 MB | 18 MB |
| Requires iOS | 26.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Juggernaut Technology, Inc.](https://appshunter.io/developer/494748553) | [上海铭控传感技术有限公司](https://appshunter.io/developer/1687248200) |

## What reviewers say

### WireSizer

[App page](https://appshunter.io/ios/app/wiresizer-dc-voltage-drop/id494748550)

This app quickly calculates the correct DC wire gauge needed for any circuit. Simply input voltage, current, and length to determine the optimal wire size, considering voltage drop and ampacity limits. It's suitable for various DC systems up to 60 VDC.

**Highlights:** Instant DC wire size calculation, Voltage drop percentage selection, Ampacity limit checks, Supports various wire types and gauges, Adjustable for installation conditions, Materials list for selections

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Quick calculations
- 💡 ABYC-based calculations
- 👍 Interactive interface
- 👍 Essential tool for electrical projects

**What reviewers complain about**

- ⚠️ Limited to 50VDC
- ⚠️ No AC calculations
- ⚠️ Lacks advanced features
- ⚠️ Some users find it useless
- ⚠️ Voltage drop percentage requires conversion

**Requested features**

- AC calculation for higher voltages
- Support for higher DC voltages (e.g., 150VDC)
- Support for AC voltages (e.g., 240VAC)
- Include actual voltage drop on final screen
- More variables like wire ampacity and cables in a bundle


### HL

[App page](https://appshunter.io/ios/app/hl-151-en/id6449443909)

**In-app purchases:** none


## Frequently asked questions

### Is WireSizer free?

WireSizer costs $4.99, with no in-app purchases.

### Is HL free?

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

### Do WireSizer or HL have ads?

Neither WireSizer nor HL shows ads.

### Which is updated more often, WireSizer or HL?

WireSizer ships an update every 5 months, and HL monthly. Most recently, WireSizer was updated on November 1, 2026 and HL 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.*