# Cable Size Calculator vs Wire Color Code

Cable Size Calculator and Wire Color Code both sit at 4.5 stars, but that hides the real split: 100% of Cable Size Calculator's written reviews are positive against 43% of Wire Color Code's. Cable Size Calculator also leads on in-app purchases (none vs 1) and iOS requirement (7.1 vs 16.0). Wire Color Code's advantage is ratings volume (999 vs 2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Wire Color Code sells 1 one-off in-app purchase. Cable Size Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Cable Size Calculator against 4.6 for Wire Color Code. That said, the two scores are not equally well evidenced: Wire Color Code has 999 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of Cable Size Calculator's written reviews are positive against 43% of Wire Color Code's.

Cable Size Calculator ships an update every 4 months, Wire Color Code every 2 months. The most recent releases landed on September 9, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Cable Size Calculator | Wire Color Code |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/cable-size-calculator/id1086945096/reviews) | **[4.6 (999 ratings)](https://appshunter.io/ios/app/wire-color-code/id6444740127/reviews)** |
| Number of ratings | 2 | **999** |
| Positive reviews | **100.0% of reviews** | 42.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 13 MB |
| Requires iOS | **7.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Unique Computer Systems LLC](https://appshunter.io/developer/654722285) | [Bonsaisoft LLC](https://appshunter.io/developer/376137158) |

## What reviewers say

### Cable Size Calculator

[App page](https://appshunter.io/ios/app/cable-size-calculator/id1086945096)

This tool helps electrical professionals quickly determine the correct cable sizes for electric circuits. It calculates voltage drop and supports various cable types, working offline for convenience on job sites.

**Highlights:** Offline operation, Voltage drop calculation, Supports copper and aluminum cables, Save output as PDF, Email results directly, Simple interface

**In-app purchases:** none


### Wire Color Code

[App page](https://appshunter.io/ios/app/wire-color-code/id6444740127)

This app helps electricians and DIYers identify electrical wire colors globally. It offers country-specific codes, a large circuit database, and quick search functionality. Customize colors for your projects and enjoy a user-friendly interface for efficient electrical panel wiring.

**Highlights:** Global country-specific wire color codes, Extensive circuit database (up to 1000 circuits), Quick search for phase colors, Customizable phase colors for projects, User-friendly interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $9.99 | one-time |

**What reviewers like**

- 🚀 Saves time identifying wire colors and circuit numbers
- 📚 Useful reference tool for electricians
- 🎯 Helpful for professional electrical work
- 👍 Intuitive and illustrative design

**What reviewers complain about**

- 💰 Hidden costs beyond initial purchase price
- 🔒 Account/license transfer issues between devices
- 📉 Limited free version functionality (only 11 circuits)
- ⚠️ Overpriced for basic information
- 🎨 Could use better UI/UX design

**Reported bugs**

- App locks users out after switching phones despite previous purchase
- License/purchase not properly restored on new devices

**Requested features**

- Ability to change order or hide countries/regions not needed
- More comprehensive free version with expanded circuit options
- Better visual design and polish


## Frequently asked questions

### Is Cable Size Calculator free?

Cable Size Calculator is free to download, with no in-app purchases.

### Is Wire Color Code free?

Wire Color Code is free to download, with in-app purchases available.

### Which has better reviews, Cable Size Calculator or Wire Color Code?

Wire Color Code is rated higher. Cable Size Calculator averages 4.5 out of 5 from 2 ratings, while Wire Color Code averages 4.6 from 999 ratings.

### Do Cable Size Calculator or Wire Color Code have ads?

Neither Cable Size Calculator nor Wire Color Code shows ads.

### Which is updated more often, Cable Size Calculator or Wire Color Code?

Cable Size Calculator ships an update every 4 months, and Wire Color Code every 2 months. Most recently, Cable Size Calculator was updated on September 9, 2026 and Wire Color Code on September 26, 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.*