# Electrical Tools & Reference vs iPrep

The clearest difference is update cadence: Electrical Tools & Reference at every 3 weeks against iPrep's every 2 months. Electrical Tools & Reference also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Electrical Tools & Reference sells 2 in-app purchases, starting at $2.99 per month and iPrep sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Electrical Tools & Reference ships an update every 3 weeks, iPrep every 2 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | Electrical Tools & Reference | iPrep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 88 MB | 16 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) | [Lunar Computing, Inc](https://appshunter.io/developer/1879858555) |

## What reviewers say

### Electrical Tools & Reference

[App page](https://appshunter.io/ios/app/electrical-tools-and-reference/id6746714702)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime Premium | $3.99 | one-time |


### iPrep

[App page](https://appshunter.io/ios/app/iprep-ai-interview-coach/id6761015568)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iPrep Premium | $4.99 | per month |
| iPrep Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is Electrical Tools & Reference free?

Electrical Tools & Reference is free to download, with in-app purchases available.

### Is iPrep free?

iPrep is free to download, with in-app purchases available.

### Do Electrical Tools & Reference or iPrep have ads?

Neither Electrical Tools & Reference nor iPrep shows ads.

### Which is updated more often, Electrical Tools & Reference or iPrep?

Electrical Tools & Reference ships an update every 3 weeks, and iPrep every 2 months. Most recently, Electrical Tools & Reference was updated on October 3, 2026 and iPrep on October 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.*