# tec2SKILL 4U vs 18th Edition Wiring Regs Prep

The clearest difference is in-app purchases: tec2SKILL 4U at none against 18th Edition Wiring Regs Prep's 3. tec2SKILL 4U also leads on iOS requirement (15.0 vs 17.0). 18th Edition Wiring Regs Prep's advantage is update cadence (every 3 months vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. 18th Edition Wiring Regs Prep sells 3 in-app purchases, starting at $4.99 per month. tec2SKILL 4U asks for nothing beyond the download.

tec2SKILL 4U ships an update every 10 months, 18th Edition Wiring Regs Prep every 3 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | tec2SKILL 4U | 18th Edition Wiring Regs Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Size | 1.2 GB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ETS DIDACTIC GMBH](https://appshunter.io/developer/1209946511) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## What reviewers say

### tec2SKILL 4U

[App page](https://appshunter.io/ios/app/tec2skill-4u/id1482090759)

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

**In-app purchases:** none


### 18th Edition Wiring Regs Prep

[App page](https://appshunter.io/ios/app/18th-edition-wiring-regs-prep/id6791223196)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $4.99 | per month |
| Yearly Pro | $14.99 | per year |
| Lifetime Access | $24.99 | one-time |


## Frequently asked questions

### Is tec2SKILL 4U free?

tec2SKILL 4U is free to download, with no in-app purchases.

### Is 18th Edition Wiring Regs Prep free?

18th Edition Wiring Regs Prep is free to download, with in-app purchases available.

### Do tec2SKILL 4U or 18th Edition Wiring Regs Prep have ads?

Neither tec2SKILL 4U nor 18th Edition Wiring Regs Prep shows ads.

### Which is updated more often, tec2SKILL 4U or 18th Edition Wiring Regs Prep?

tec2SKILL 4U ships an update every 10 months, and 18th Edition Wiring Regs Prep every 3 months. Most recently, tec2SKILL 4U was updated on October 14, 2026 and 18th Edition Wiring Regs Prep on October 24, 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.*