# WireSizer vs Clock

The clearest difference is price: Clock at Free against WireSizer's $4.99. Clock also leads on iOS requirement (14.0 vs 26.0). WireSizer's advantage is update cadence (every 5 months vs every 20 months). On ads, in-app purchases and device support there is nothing between them.

Clock 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, Clock every 20 months. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | WireSizer | Clock |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (226 ratings)](https://appshunter.io/ios/app/wiresizer-dc-voltage-drop/id494748550/reviews)** | — |
| Number of ratings | **226** | — |
| Positive reviews | 83.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 20 months |
| Monetization | Paid | — |
| Size | 2 MB | 24 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juggernaut Technology, Inc.](https://appshunter.io/developer/494748553) | [VIRTUAL FORCE PRIVATE LIMITED](https://appshunter.io/developer/597317856) |

## 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


### Clock

[App page](https://appshunter.io/ios/app/clock-it/id6443874683)

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

**In-app purchases:** none


## Frequently asked questions

### Is WireSizer free?

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

### Is Clock free?

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

### Do WireSizer or Clock have ads?

Neither WireSizer nor Clock shows ads.

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

WireSizer ships an update every 5 months, and Clock every 20 months. Most recently, WireSizer was updated on October 1, 2026 and Clock on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*