# Lightning Round! vs Physiology Arena

The clearest difference is price: Lightning Round! at Free against Physiology Arena's $0.99. Physiology Arena's advantage is in-app purchases (none vs 7) and ads (none vs shown). On device support there is nothing between them.

Lightning Round! is free to download; Physiology Arena costs $0.99 up front. Lightning Round! sells 7 in-app purchases, starting at $2.99 per month. Physiology Arena asks for nothing beyond the download.

Lightning Round! ships an update every 5 months, Physiology Arena every 4 weeks. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Lightning Round! | Physiology Arena |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.4 (47 ratings)](https://appshunter.io/ios/app/lightning-round/id6479531297/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 65.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #194 | **#17** |
| Size | 50 MB | 4 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Studio 7 Creative](https://appshunter.io/developer/1760209771) | [Blackfox Media LLC](https://appshunter.io/developer/6784485016) |

## What reviewers say

### Lightning Round!

[App page](https://appshunter.io/ios/app/lightning-round/id6479531297)

**Currently charting:** #194 Top Grossing · Trivia (US App Store)

Engage in exciting trivia duels by speaking your answers aloud. Explore over 7500 questions across 60 diverse categories, from general knowledge to pop culture. Utilize the Study mode to create your own vocal flashcards for effective memorization.

**Highlights:** Voice-activated trivia gameplay, Over 7500 questions, 60+ diverse categories, Customizable Study mode, Vocal flashcard creation, Family-friendly content

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Learning Pass | $2.99 | per month |
| Game Pass | $3.99 | per month |
| All-Access Pass | $5.99 | per month |
| 20 Credits | $0.99 | one-time |
| 50 Credits | $1.99 | one-time |
| 100 Credits | $2.99 | one-time |
| Perpetual Pass | $29.99 | one-time |


### Physiology Arena

[App page](https://appshunter.io/ios/app/physiology-arena/id6792201973)

**Currently charting:** #17 Top Paid · Trivia (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lightning Round! free?

Lightning Round! is free to download, with in-app purchases available.

### Is Physiology Arena free?

Physiology Arena costs $0.99, with no in-app purchases.

### Do Lightning Round! or Physiology Arena have ads?

Lightning Round! shows ads; Physiology Arena does not.

### Which is updated more often, Lightning Round! or Physiology Arena?

Lightning Round! ships an update every 5 months, and Physiology Arena every 4 weeks. Most recently, Lightning Round! was updated on October 18, 2026 and Physiology Arena on October 8, 2026.

### Which is more popular, Lightning Round! or Physiology Arena?

Lightning Round! currently peaks at #194 in the App Store charts, and Physiology Arena at #17. Chart position reflects recent download velocity rather than total install base.

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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.*