# Electrical Troubleshooter vs DDToolsPro

The clearest difference is price: Electrical Troubleshooter at Free against DDToolsPro's $9.99. Electrical Troubleshooter also leads on in-app purchases (none vs 2) and iOS requirement (14.0 vs 18.2). DDToolsPro's advantage is update cadence (every 2 months vs every 4 months). On ads and device support there is nothing between them.

Electrical Troubleshooter is free to download; DDToolsPro costs $9.99 up front. DDToolsPro sells 2 in-app purchases, starting at $12.99 per month. Electrical Troubleshooter asks for nothing beyond the download.

Electrical Troubleshooter ships an update every 4 months, DDToolsPro every 2 months. The most recent releases landed on June 1, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Electrical Troubleshooter | DDToolsPro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[3.5 (13 ratings)](https://appshunter.io/ios/app/electrical-troubleshooter/id1345925300/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 14 MB | 8 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Michael Blake](https://appshunter.io/developer/1443250004) |

## What reviewers say

### Electrical Troubleshooter

[App page](https://appshunter.io/ios/app/electrical-troubleshooter/id1345925300)

Learn electrical troubleshooting skills using a virtual voltmeter. Solve circuit problems with the fewest tries and shortest time to earn a "5 Star Troubleshooter" certification.

**Highlights:** Voltmeter simulation for electrical troubleshooting, Ten circuits per game, Circuit types: Open, Short, No Problem, Minimize tries and time to solve, Earn "5 Star Troubleshooter" certification

**Features:** macOS Compatibility

**In-app purchases:** none


### DDToolsPro

[App page](https://appshunter.io/ios/app/ddtoolspro/id6755078356)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DD Tools Pro Unlock - Monthly | $12.99 | per month |
| DD Tools Pro Unlock - Annual | $129.99 | per year |


## Frequently asked questions

### Is Electrical Troubleshooter free?

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

### Is DDToolsPro free?

DDToolsPro costs $9.99, and also offers in-app purchases.

### Do Electrical Troubleshooter or DDToolsPro have ads?

Neither Electrical Troubleshooter nor DDToolsPro shows ads.

### Which is updated more often, Electrical Troubleshooter or DDToolsPro?

Electrical Troubleshooter ships an update every 4 months, and DDToolsPro every 2 months. Most recently, Electrical Troubleshooter was updated on June 1, 2026 and DDToolsPro on September 14, 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.*