# Reading Comprehension Gr 4 vs KeyChamp

The clearest difference is update cadence: KeyChamp at every 3 days against Reading Comprehension Gr 4's every 7 months. Reading Comprehension Gr 4's advantage is iOS requirement (12.2 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Reading Comprehension Gr 4 sells 3 one-off in-app purchases and KeyChamp sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Reading Comprehension Gr 4 ships an update every 7 months, KeyChamp every 3 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Reading Comprehension Gr 4 | KeyChamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/reading-comprehension-gr-4/id1062416695/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 5 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [justncode LLC](https://appshunter.io/developer/1356406400) |

## What reviewers say

### Reading Comprehension Gr 4

[App page](https://appshunter.io/ios/app/reading-comprehension-gr-4/id1062416695)

This app provides engaging reading practice for 4th graders with graduated difficulty and audio support. It offers detailed reporting on 9 key comprehension skills and a motivating reward system. Designed for independent use or with adult guidance, it caters to diverse learning needs.

**Highlights:** Graduated reading practice, Grade-appropriate questions, Audio support for readers, Reporting on 9 key skills, Motivating reward center, Supports up to 10 players

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add an extra user | $1.99 | one-time |
| All Levels | $2.99 | one-time |
| Up to 10 Users | $2.99 | one-time |


### KeyChamp

[App page](https://appshunter.io/ios/app/keychamp-typing-lessons/id6780317273)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KeyChamp Pro | $9.99 | one-time |


## Frequently asked questions

### Is Reading Comprehension Gr 4 free?

Reading Comprehension Gr 4 is free to download, with in-app purchases available.

### Is KeyChamp free?

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

### Do Reading Comprehension Gr 4 or KeyChamp have ads?

Neither Reading Comprehension Gr 4 nor KeyChamp shows ads.

### Which is updated more often, Reading Comprehension Gr 4 or KeyChamp?

Reading Comprehension Gr 4 ships an update every 7 months, and KeyChamp every 3 days. Most recently, Reading Comprehension Gr 4 was updated on October 24, 2026 and KeyChamp on October 9, 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.*