# Metric Conversion tool vs Electrician Handbook

The clearest difference is in-app purchases: Metric Conversion tool at none against Electrician Handbook's 1. Metric Conversion tool also leads on ratings volume (15K vs 1K). Electrician Handbook's advantage is ads (none vs shown) and review sentiment (79% vs 69%). On price, rating, update cadence and monetization model there is nothing between them.

Both are free to download. Electrician Handbook sells 1 one-off in-app purchase. Metric Conversion tool asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Metric Conversion tool against 4.8 for Electrician Handbook. That said, the two scores are not equally well evidenced: Metric Conversion tool has 15K ratings behind it against 1K, so its average is the more settled of the two. Written reviews are what separate them: 69% of Metric Conversion tool's written reviews are positive against 79% of Electrician Handbook's.

Metric Conversion tool ships an update fortnightly, Electrician Handbook every 2 weeks. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Metric Conversion tool | Electrician Handbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (15K ratings)](https://appshunter.io/ios/app/metric-conversion-tool/id1439430070/reviews)** | [4.8 (1K ratings)](https://appshunter.io/ios/app/electrician-handbook-basics/id1612996115/reviews) |
| Number of ratings | **15K** | 1K |
| Positive reviews | 69.2% of reviews | **78.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 57 MB | 61 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wight Hat](https://appshunter.io/developer/1425885740) | [Sergey Vavaev](https://appshunter.io/developer/1612996327) |

## What reviewers say

### Metric Conversion tool

[App page](https://appshunter.io/ios/app/metric-conversion-tool/id1439430070)

This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.

**Highlights:** Offline functionality, Over 30,000 unit conversions, 160+ currencies with live rates, Save favorite conversions, Answers in fractions, Up to 5 decimal places

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

**In-app purchases:** none

**What reviewers like**

- 💡 Useful conversion tool
- 👍 Easy to use and navigate
- 🚀 Quick and efficient
- 👍 Comprehensive coverage of conversions

**What reviewers complain about**

- 🔊 Intrusive and loud ads
- 🔒 Questionable privacy practices
- 🐛 Inaccurate conversions
- 👎 Disruptive to workflow

**Reported bugs**

- Temperature conversion displaying incorrect values
- Ads triggering false memory full warnings

**Requested features**

- Paid version to remove ads
- Option to display results in preferred format
- Speed conversion (mph, km/h, etc.)


### Electrician Handbook

[App page](https://appshunter.io/ios/app/electrician-handbook-basics/id1612996115)

This app provides electricians, students, and installers with essential electrical theory, interactive diagrams, and practical calculators. It includes a community forum for users to share knowledge and seek advice, all accessible offline without ads or subscriptions.

**Highlights:** Electrical theory topics, Interactive circuit diagrams, Calculators and formulas, Community forum, Offline access, No ads or subscriptions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features in app | $6.99 | one-time |

**What reviewers like**

- 👍 Informative and useful
- 🚀 Comprehensive and interactive
- 💡 Helpful for beginners and professionals
- 🔍 Detailed diagrams and visuals
- 🤖 Intuitive and easy to use

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 💰 Ads can be intrusive
- 🕰️ Some content may be outdated
- 🌍 Limited language support

**Reported bugs**

- App not launching on certain devices
- Calculation errors in some modules
- Inconsistent UI behavior across platforms

**Requested features**

- More practical examples and tutorials
- Ability to save and export diagrams
- Inclusion of industry standards and regulations
- Integration of testing and simulation tools


## Frequently asked questions

### Is Metric Conversion tool free?

Metric Conversion tool is free to download, with no in-app purchases.

### Is Electrician Handbook free?

Electrician Handbook is free to download, with in-app purchases available.

### Which has better reviews, Metric Conversion tool or Electrician Handbook?

Metric Conversion tool is rated higher. Metric Conversion tool averages 4.8 out of 5 from 15K ratings, while Electrician Handbook averages 4.8 from 1K ratings.

### Do Metric Conversion tool or Electrician Handbook have ads?

Metric Conversion tool shows ads; Electrician Handbook does not.

### Which is updated more often, Metric Conversion tool or Electrician Handbook?

Metric Conversion tool ships an update fortnightly, and Electrician Handbook every 2 weeks. Most recently, Metric Conversion tool was updated on November 4, 2026 and Electrician Handbook 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.*