# Electronic vs Keyword Highlighter

The clearest difference is price: Keyword Highlighter at $2.99 against Electronic's $9.99. Electronic's advantage is update cadence (fortnightly vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Electronic costs $9.99 and Keyword Highlighter $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Electronic ships an update fortnightly, Keyword Highlighter monthly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Electronic | Keyword Highlighter |
| --- | --- | --- |
| Price | $9.99 | **$2.99** |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/electronic-toolbox-2/id6752488879/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Paid | — |
| Size | 166 MB | 2 MB |
| Requires iOS | 18.5 | **17.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Roskosch](https://appshunter.io/developer/334053438) | [家贺 万](https://appshunter.io/developer/1820076368) |

## What reviewers say

### Electronic

[App page](https://appshunter.io/ios/app/electronic-toolbox-2/id6752488879)

This comprehensive electronics reference and tool suite offers over 70 calculators, tables, and data for engineers, students, and hobbyists. It features a modern UI, iCloud sync, multi-window support, and PDF export, all accessible offline.

**Highlights:** Over 70 tools, tables, and references, Universal app for iPhone, iPad, and Mac, iCloud sync across devices, Multi-window support for parallel use, PDF export for results, Offline functionality, Modern UI with Dark Mode

**Features:** Vision Pro support

**In-app purchases:** none


### Keyword Highlighter

[App page](https://appshunter.io/ios/app/keyword-highlighter/id6755597747)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Electronic free?

Electronic costs $9.99, with no in-app purchases.

### Is Keyword Highlighter free?

Keyword Highlighter costs $2.99, with no in-app purchases.

### Do Electronic or Keyword Highlighter have ads?

Neither Electronic nor Keyword Highlighter shows ads.

### Which is updated more often, Electronic or Keyword Highlighter?

Electronic ships an update fortnightly, and Keyword Highlighter monthly. Most recently, Electronic was updated on October 28, 2026 and Keyword Highlighter on October 25, 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.*