# GH Certified Appliances vs Electrical Tools & Reference

The clearest difference is in-app purchases: GH Certified Appliances at none against Electrical Tools & Reference's 2. Electrical Tools & Reference's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Electrical Tools & Reference sells 2 in-app purchases, starting at $2.99 per month. GH Certified Appliances asks for nothing beyond the download.

GH Certified Appliances ships an update every 2 months, Electrical Tools & Reference every 3 weeks. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GH Certified Appliances | Electrical Tools & Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (31 ratings)](https://appshunter.io/ios/app/electrical-tools-and-reference/id6746714702/reviews)** |
| Number of ratings | — | **31** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 88 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Energy Commission - GH](https://appshunter.io/developer/1648307969) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### GH Certified Appliances

[App page](https://appshunter.io/ios/app/gh-certified-appliances/id1612277731)

**In-app purchases:** none


### Electrical Tools & Reference

[App page](https://appshunter.io/ios/app/electrical-tools-and-reference/id6746714702)

Master electrical concepts, circuits, and wiring with this comprehensive app. It offers detailed diagrams, essential tools, and clear explanations for students, apprentices, and professionals. Learn theory, practice with quizzes, and access a symbol library for real-world electrical work.

**Highlights:** Electrical theory basics, Interactive wiring diagrams, Built-in electrical calculators, Schematic symbols library, Quizzes and electrical tests, Real-world explanations

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime Premium | $3.99 | one-time |


## Frequently asked questions

### Is GH Certified Appliances free?

GH Certified Appliances is free to download, with no in-app purchases.

### Is Electrical Tools & Reference free?

Electrical Tools & Reference is free to download, with in-app purchases available.

### Do GH Certified Appliances or Electrical Tools & Reference have ads?

Neither GH Certified Appliances nor Electrical Tools & Reference shows ads.

### Which is updated more often, GH Certified Appliances or Electrical Tools & Reference?

GH Certified Appliances ships an update every 2 months, and Electrical Tools & Reference every 3 weeks. Most recently, GH Certified Appliances was updated on October 14, 2026 and Electrical Tools & Reference on October 25, 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.*