# King Charles Quiz vs Revu Study

The clearest difference is update cadence: King Charles Quiz at every 3 weeks against Revu Study's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. King Charles Quiz sells 1 in-app purchase, starting at $24.99 per month and Revu Study sells 7 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

King Charles Quiz ships an update every 3 weeks, Revu Study every 2 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | King Charles Quiz | Revu Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 53 MB | 9 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Devlion](https://appshunter.io/developer/1503215195) | [Ron Brener](https://appshunter.io/developer/1869547054) |

## What reviewers say

### King Charles Quiz

[App page](https://appshunter.io/ios/app/king-charles-quiz/id6749686031)

**Features:** Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium \| 1 Month | $24.99 | per month |


### Revu Study

[App page](https://appshunter.io/ios/app/revu-study/id6757910293)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Preimum, 7 Days Free Trial | $19.99 | per month |
| Monthly Premium, 7 Days Free Trial | $29.99 | per month |
| Yearly Premium, 7 Days Free Trial | $191.99 | per year |
| Yearly Premium, 7 Days Free Trial | $289.00 | per year |
| 50 Pearls | $3.99 | one-time |
| 120 Pearls | $7.99 | one-time |
| 300 Pearls | $15.99 | one-time |


## Frequently asked questions

### Is King Charles Quiz free?

King Charles Quiz is free to download, with in-app purchases available.

### Is Revu Study free?

Revu Study is free to download, with in-app purchases available.

### Do King Charles Quiz or Revu Study have ads?

Neither King Charles Quiz nor Revu Study shows ads.

### Which is updated more often, King Charles Quiz or Revu Study?

King Charles Quiz ships an update every 3 weeks, and Revu Study every 2 months. Most recently, King Charles Quiz was updated on October 25, 2026 and Revu Study on October 31, 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.*