# NEC Electrical Exam by Dakota vs Control Systems Engineering

The clearest difference is update cadence: NEC Electrical Exam by Dakota at fortnightly against Control Systems Engineering's every 3 months. NEC Electrical Exam by Dakota also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. NEC Electrical Exam by Dakota sells 4 in-app purchases, starting at $5.99 per month and Control Systems Engineering sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

NEC Electrical Exam by Dakota ships an update fortnightly, Control Systems Engineering every 3 months. The most recent releases landed on October 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | NEC Electrical Exam by Dakota | Control Systems Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (507 ratings)](https://appshunter.io/ios/app/nec-electrical-exam-by-dakota/id1673601265/reviews)** | — |
| Number of ratings | **507** | — |
| Positive reviews | 58.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 18 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Blue Collar Labs Inc.](https://appshunter.io/developer/1527031586) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### NEC Electrical Exam by Dakota

[App page](https://appshunter.io/ios/app/nec-electrical-exam-by-dakota/id1673601265)

Prepare for your electrical licensing exams with a vast library of practice questions, detailed explanations, and AI-powered assistance. Track your progress and identify weak areas to study more effectively for Journeyman, Master Electrician, and Contractor exams.

**Highlights:** Over 3000 exam questions, AI tutor for step-by-step help, Practice specific exam topics, Detailed walkthroughs and code references, Personalized study stats, Study on the go

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Tutor | $5.99 | per month |
| NEC All Access | $98.99 | per year |
| NEC All Access Annual | $99.99 | per year |
| NEC Pro | $99.99 | one-time |

**What reviewers like**

- ✅ Helped pass exams
- 💡 Good for studying
- 💯 Makes calculations easy
- 👍 Lists answer locations
- 👍 Easy to navigate

**What reviewers complain about**

- 🐌 App is very slow
- 🐌 Web access is slow
- 🫥 Inconsistent AI functionality
- 💰 Price is outrageous
- 🔒 Many modes locked

**Reported bugs**

- AI doesn't work
- Lifetime membership issues
- No cross-platform functionality
- No login feature
- No restore purchases feature

**Requested features**

- Remove AI if not working
- App available on computer
- Add dark mode
- Add advanced analytics dashboard
- Ensure all states use correct NEC version


### Control Systems Engineering

[App page](https://appshunter.io/ios/app/control-systems-engineering/id6739731886)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is NEC Electrical Exam by Dakota free?

NEC Electrical Exam by Dakota is free to download, with in-app purchases available.

### Is Control Systems Engineering free?

Control Systems Engineering is free to download, with in-app purchases available.

### Do NEC Electrical Exam by Dakota or Control Systems Engineering have ads?

Neither NEC Electrical Exam by Dakota nor Control Systems Engineering shows ads.

### Which is updated more often, NEC Electrical Exam by Dakota or Control Systems Engineering?

NEC Electrical Exam by Dakota ships an update fortnightly, and Control Systems Engineering every 3 months. Most recently, NEC Electrical Exam by Dakota was updated on October 24, 2026 and Control Systems Engineering on October 2, 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.*