# Electric Prep Pro vs Palindroma

The clearest difference is price: Palindroma at $2.99 against Electric Prep Pro's $9.99. Palindroma also leads on update cadence (every 2 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Electric Prep Pro costs $9.99 and Palindroma $2.99 up front. Electric Prep Pro sells 1 one-off in-app purchase and Palindroma sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Electric Prep Pro ships an update every 3 weeks, Palindroma every 2 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Electric Prep Pro | Palindroma |
| --- | --- | --- |
| Price | $9.99 | **$2.99** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/electric-prep-pro/id6502861916/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Paid | — |
| Size | 16 MB | 1 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Rick Twilling](https://appshunter.io/developer/1790344644) | [Serge Benati](https://appshunter.io/developer/1748293802) |

## What reviewers say

### Electric Prep Pro

[App page](https://appshunter.io/ios/app/electric-prep-pro/id6502861916)

This app offers comprehensive study materials for aspiring electricians, including customizable practice exams, NEC articles, calculation tools, and expert video tutorials. It aims to enhance knowledge and skills for career advancement in the electrical industry.

**Highlights:** Customizable practice exams, NEC articles and calculation tools, Expert video tutorials, Personalized learning paths, User-friendly interface, Career advancement resources

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlimited | $1.99 | one-time |


### Palindroma

[App page](https://appshunter.io/ios/app/palindroma-reverse-words/id6738003215)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Palindroma | $1.99 | one-time |


## Frequently asked questions

### Is Electric Prep Pro free?

Electric Prep Pro costs $9.99, and also offers in-app purchases.

### Is Palindroma free?

Palindroma costs $2.99, and also offers in-app purchases.

### Do Electric Prep Pro or Palindroma have ads?

Neither Electric Prep Pro nor Palindroma shows ads.

### Which is updated more often, Electric Prep Pro or Palindroma?

Electric Prep Pro ships an update every 3 weeks, and Palindroma every 2 days. Most recently, Electric Prep Pro was updated on November 4, 2026 and Palindroma on October 30, 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.*