# Two Thirty Volts vs iOSDevUK26

The clearest difference is review sentiment: iOSDevUK26 at 100% against Two Thirty Volts's 67%. iOSDevUK26 also leads on update cadence (every 8 days vs every 6 months). Two Thirty Volts's advantage is iOS requirement (8.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Two Thirty Volts ships an update every 6 months, iOSDevUK26 every 8 days. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Two Thirty Volts | iOSDevUK26 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/two-thirty-volts/id502514595/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 6 MB | 49 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Electrical Safety Council](https://appshunter.io/developer/477735098) | [AberProgs](https://appshunter.io/developer/324107882) |

## What reviewers say

### Two Thirty Volts

[App page](https://appshunter.io/ios/app/two-thirty-volts/id502514595)

Test your knowledge of electricity with quizzes and revision notes tailored for secondary science students. Earn reward badges for perfect scores and watch videos on electrical safety and careers. Supplement your curriculum with this educational resource.

**Highlights:** Electricity quizzes, Revision notes, Reward badges, Electrical safety videos, Career information, Curriculum supplement

**Features:** macOS Compatibility

**In-app purchases:** none


### iOSDevUK26

[App page](https://appshunter.io/ios/app/iosdevuk26/id6761362191)

This conference companion app provides essential information for attendees of iOSDevUK. Access schedules, speaker details, and venue information to make the most of your event experience.

**Highlights:** Conference schedule access, Speaker details, Venue information, Event updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Two Thirty Volts free?

Two Thirty Volts is free to download, with no in-app purchases.

### Is iOSDevUK26 free?

iOSDevUK26 is free to download, with no in-app purchases.

### Do Two Thirty Volts or iOSDevUK26 have ads?

Neither Two Thirty Volts nor iOSDevUK26 shows ads.

### Which is updated more often, Two Thirty Volts or iOSDevUK26?

Two Thirty Volts ships an update every 6 months, and iOSDevUK26 every 8 days. Most recently, Two Thirty Volts was updated on October 1, 2026 and iOSDevUK26 on October 7, 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.*