# Contractors License Exam Prep vs Electrical Troubleshooting MS

The clearest difference is in-app purchases: Electrical Troubleshooting MS at none against Contractors License Exam Prep's 2. Electrical Troubleshooting MS also leads on update cadence (weekly vs every 5 weeks) and iOS requirement (13.0 vs 15.1). Contractors License Exam Prep's advantage is ratings volume (787 vs 122). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Contractors License Exam Prep sells 2 one-off in-app purchases. Electrical Troubleshooting MS asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Contractors License Exam Prep against 4.8 for Electrical Troubleshooting MS. That said, the two scores are not equally well evidenced: Contractors License Exam Prep has 787 ratings behind it against 122, so its average is the more settled of the two. Written reviews are what separate them: 85% of Contractors License Exam Prep's written reviews are positive against 88% of Electrical Troubleshooting MS's.

Contractors License Exam Prep ships an update every 5 weeks, Electrical Troubleshooting MS weekly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Contractors License Exam Prep | Electrical Troubleshooting MS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (787 ratings)](https://appshunter.io/ios/app/contractors-license-exam-prep/id945965672/reviews) | **[4.8 (122 ratings)](https://appshunter.io/ios/app/electrical-troubleshooting-ms/id1562565451/reviews)** |
| Number of ratings | **787** | 122 |
| Positive reviews | 84.6% of reviews | **88.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 22 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Contractors Intelligence School, Inc.](https://appshunter.io/developer/945965671) | [David White](https://appshunter.io/developer/911163945) |

## What reviewers say

### Contractors License Exam Prep

[App page](https://appshunter.io/ios/app/contractors-license-exam-prep/id945965672)

Prepare for your California contractors license exam with practice tests, instructional videos, and an application review system. Upload your completed application for expert feedback and corrections.

**Highlights:** Practice Exams, Application Videos, Video Course, Audio Course, Application Review System, Student Account Access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-Days Law & Business Course | $149.99 | one-time |
| 30-Days Trade Course | $149.99 | one-time |

**What reviewers like**

- 👍 User-friendly and intuitive
- 🚀 Convenient app for studying on-the-go
- 💡 Comprehensive study materials and practice tests
- 👍 Helpful customer service
- 🚀 Well-organized and structured learning content

**What reviewers complain about**

- 🐛 Occasional app crashes and bugs
- 🔍 Practice tests not fully representative of actual exam
- 🔍 Lack of trade-specific content in some cases
- 🔍 Expensive for some users

**Reported bugs**

- Login issues and lost progress
- Compatibility problems on older devices
- Playback errors in audio courses

**Requested features**

- Landscape mode support
- Offline access to study materials
- More trade-specific practice questions
- Improved math and calculation tools


### Electrical Troubleshooting MS

[App page](https://appshunter.io/ios/app/electrical-troubleshooting-ms/id1562565451)

Learn to troubleshoot electrical circuits with a virtual voltmeter and PLC logic. This app offers 17 random electrical problems for a challenging learning experience, allowing you to practice identifying issues in motor starters and control circuits.

**Highlights:** 17 random electrical problems, Virtual voltmeter with probes, Animated motor starter, Switch between schematic and PLC logic, Troubleshooting Assistant, Normal and troubleshooting modes

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

**In-app purchases:** none


## Frequently asked questions

### Is Contractors License Exam Prep free?

Contractors License Exam Prep is free to download, with in-app purchases available.

### Is Electrical Troubleshooting MS free?

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

### Which has better reviews, Contractors License Exam Prep or Electrical Troubleshooting MS?

Electrical Troubleshooting MS is rated higher. Contractors License Exam Prep averages 4.8 out of 5 from 787 ratings, while Electrical Troubleshooting MS averages 4.8 from 122 ratings.

### Do Contractors License Exam Prep or Electrical Troubleshooting MS have ads?

Neither Contractors License Exam Prep nor Electrical Troubleshooting MS shows ads.

### Which is updated more often, Contractors License Exam Prep or Electrical Troubleshooting MS?

Contractors License Exam Prep ships an update every 5 weeks, and Electrical Troubleshooting MS weekly. Most recently, Contractors License Exam Prep was updated on November 1, 2026 and Electrical Troubleshooting MS 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.*