# KHQ vs Rostr Pro

The clearest difference is in-app purchases: KHQ at none against Rostr Pro's 1. KHQ also leads on iOS requirement (11.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Rostr Pro sells 1 in-app purchase, starting at $1.99 per month. KHQ asks for nothing beyond the download.

## The numbers

| Metric | KHQ | Rostr Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (58 ratings)](https://appshunter.io/ios/app/khq/id1018135616/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 18.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 4 MB |
| Requires iOS | **11.0** | 26.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Kendall Hunt Publishing](https://appshunter.io/developer/511059369) | [Dirk Strauss](https://appshunter.io/developer/1874313762) |

## What reviewers say

### KHQ

[App page](https://appshunter.io/ios/app/khq/id1018135616)

Prepare for exams with professionally written content and current test questions. Study conveniently, ace your next exam, and improve your grades. Offers customizable quizzes, flashcards, and progress tracking.

**Highlights:** Pre-populated tests, Chapter-specific study, Custom quiz/test creation, Key term study, Flashcard creation and use, Struggle-based test building, Results tracking, Result sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### Rostr Pro

[App page](https://appshunter.io/ios/app/rostr-pro/id6758698681)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rostr Pro Monthly | $1.99 | per month |


## Frequently asked questions

### Is KHQ free?

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

### Is Rostr Pro free?

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

### Do KHQ or Rostr Pro have ads?

Neither KHQ nor Rostr Pro 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.*