# Low Voltage Tech Exam Prep vs Eisek

The clearest difference is in-app purchases: Eisek at none against Low Voltage Tech Exam Prep's 4. Low Voltage Tech Exam Prep's advantage is iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Low Voltage Tech Exam Prep sells 4 in-app purchases, starting at $4.99 per 7 days. Eisek asks for nothing beyond the download.

## The numbers

| Metric | Low Voltage Tech Exam Prep | Eisek |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 25 MB | 52 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) | [Intrsync](https://appshunter.io/developer/1846737008) |

## What reviewers say

### Low Voltage Tech Exam Prep

[App page](https://appshunter.io/ios/app/low-voltage-tech-exam-prep/id6779026681)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Low Voltage Weekly | $4.99 | per 7 days |
| Low Voltage Monthly | $12.99 | per month |
| Low Voltage Yearly | $39.99 | per year |
| Low Voltage Lifetime | $79.99 | one-time |


### Eisek

[App page](https://appshunter.io/ios/app/eisek/id6791777490)

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

**In-app purchases:** none


## Frequently asked questions

### Is Low Voltage Tech Exam Prep free?

Low Voltage Tech Exam Prep is free to download, with in-app purchases available.

### Is Eisek free?

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

### Do Low Voltage Tech Exam Prep or Eisek have ads?

Neither Low Voltage Tech Exam Prep nor Eisek shows ads.

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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.*