# WireSizer vs Convertizo

The clearest difference is update cadence: Convertizo at every 8 days against WireSizer's every 5 months. Convertizo also leads on price ($3.99 vs $4.99) and iOS requirement (17.0 vs 26.0). WireSizer's advantage is rating (4.5 vs 4.2) and review sentiment (82% vs 65%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

WireSizer costs $4.99 and Convertizo $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WireSizer holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 227 and 77 respectively. Written reviews point the same way: 82% of WireSizer's written reviews are positive against 65% of Convertizo's.

WireSizer ships an update every 5 months, Convertizo every 8 days. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | WireSizer | Convertizo |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | **[4.5 (227 ratings)](https://appshunter.io/ios/app/wiresizer-dc-voltage-drop/id494748550/reviews)** | [4.2 (77 ratings)](https://appshunter.io/ios/app/convertizo-unit-converter/id1049725915/reviews) |
| Number of ratings | **227** | 77 |
| Positive reviews | **81.6% of reviews** | 64.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Juggernaut Technology, Inc.](https://appshunter.io/developer/494748553) | [Perfect Dimension](https://appshunter.io/developer/448146469) |

## 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


### Convertizo

[App page](https://appshunter.io/ios/app/convertizo-unit-converter/id1049725915)

This app provides accurate and reliable unit and currency conversions for iPhone and iPad. It automatically imports the latest exchange rates and offers a wide range of units, including both metric and imperial measurements. Enhanced with multitasking support and customizable themes, it streamlines everyday calculations.

**Highlights:** Accurate unit and currency conversions, Automatic latest exchange rates, Supports metric and imperial units, Slide Over and Split Screen multitasking, Recent conversions stored, Customizable themes

**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 Convertizo free?

Convertizo costs $3.99, with no in-app purchases.

### Which has better reviews, WireSizer or Convertizo?

WireSizer is rated higher. WireSizer averages 4.5 out of 5 from 227 ratings, while Convertizo averages 4.2 from 77 ratings.

### Do WireSizer or Convertizo have ads?

Neither WireSizer nor Convertizo shows ads.

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

WireSizer ships an update every 5 months, and Convertizo every 8 days. Most recently, WireSizer was updated on November 1, 2026 and Convertizo on November 2, 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.*