# NEC Master Suite vs Substation Engineer Suite

The clearest difference is in-app purchases: NEC Master Suite at none against Substation Engineer Suite's 3. Substation Engineer Suite's advantage is ads (none vs shown) and iOS requirement (17.0 vs 26.4). On price and device support there is nothing between them.

Both are free to download. Substation Engineer Suite sells 3 one-off in-app purchases. NEC Master Suite asks for nothing beyond the download.

## The numbers

| Metric | NEC Master Suite | Substation Engineer Suite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Size | 23 MB | 463 MB |
| Requires iOS | 26.4 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ghaith Alshehabat](https://appshunter.io/developer/1750773902) | [Yuhsiu Lai](https://appshunter.io/developer/433114647) |

## What reviewers say

### NEC Master Suite

[App page](https://appshunter.io/ios/app/nec-master-suite-exam-prep/id6762178401)

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

**In-app purchases:** none


### Substation Engineer Suite

[App page](https://appshunter.io/ios/app/substation-engineer-suite/id6780664986)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electrical Substation Toolkit | $4.99 | one-time |
| 3D Explorer | $4.99 | one-time |
| All Modules Bundle | $12.99 | one-time |


## Frequently asked questions

### Is NEC Master Suite free?

NEC Master Suite is free to download, with no in-app purchases.

### Is Substation Engineer Suite free?

Substation Engineer Suite is free to download, with in-app purchases available.

### Do NEC Master Suite or Substation Engineer Suite have ads?

NEC Master Suite shows ads; Substation Engineer Suite does not.

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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.*