Two Thirty Volts vs iOSDevUK26
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Two Thirty Volts
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.
- Electricity quizzes
- Revision notes
- Reward badges
- Electrical safety videos
- Career information
- Curriculum supplement
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Electricity quizzes and revision notes for secondary level science students. As you complete each quiz, you’ll earn reward badges - get perfect scores to collect them all! You can also learn about electrical safety and careers in the industry by watching a series of short videos (internet connection required). Topics include: - Electric charge - Electrical circuits - Electric current - Electrical safety - Electrical symbols - Sources of electricity - Electromagnetic Induction - Generators - Ohm's Law - Transformers - Transmission of electricity The app is designed to supplement national curriculum science and physics courses. It was created by Electrical Safety First, a UK charity that’s committed to reducing deaths and injuries caused by electrical accidents at home and at work. Learn more about electricity and electrical safety by visiting the Twothirtyvolts website at www.twothirtyvolts.org.uk. Twothirtyvolts aims to provide 11-16 year olds with all the information they need to stay safe around electricity, first aid tips and a range of educational resources.
iOSDevUK26
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.
- Conference schedule access
- Speaker details
- Venue information
- Event updates
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If you are coming to iOSDevUK this September, this app will tell you what you need to know.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Two Thirty Volts | iOSDevUK26 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 6 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | The Electrical Safety Council | AberProgs |
Customer experience
Two Thirty Volts
iOSDevUK26
In-app purchases
Two Thirty Volts
No in-app purchases
iOSDevUK26
No in-app purchases
Questions
Is Two Thirty Volts free?
Is iOSDevUK26 free?
Do Two Thirty Volts or iOSDevUK26 have ads?
Which is updated more often, Two Thirty Volts or iOSDevUK26?
Other comparisons
