# Question King vs Krend

The clearest difference is iOS requirement: Krend at 15.0 against Question King's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Question King sells 4 in-app purchases, starting at $2.99 per month and Krend sells 3 in-app purchases, starting at $7.69 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Question King | Krend |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 3 MB | 18 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [明博 薛](https://appshunter.io/developer/6775205736) | [Chanyoung Boo](https://appshunter.io/developer/6803555037) |

## What reviewers say

### Question King

[App page](https://appshunter.io/ios/app/question-king/id6775220695)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $2.99 | per month |
| Pro Monthly | $5.99 | per month |
| Plus Yearly | $29.99 | per year |
| Pro Yearly | $59.99 | per year |


### Krend

[App page](https://appshunter.io/ios/app/krend-learn-korean/id6803555035)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Krend Pro: Monthly | $7.69 | per month |
| Krend Pro: Yearly | $46.99 | per year |
| Krend Pro: Lifetime | $76.99 | one-time |


## Frequently asked questions

### Is Question King free?

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

### Is Krend free?

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

### Do Question King or Krend have ads?

Neither Question King nor Krend shows ads.

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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.*