# Exploring The Core K vs CSUMB MyRaft

The clearest difference is review sentiment: Exploring The Core K at 60% against CSUMB MyRaft's 20%. Exploring The Core K also leads on rating (4.4 vs 4.1) and iOS requirement (8.0 vs 17.4). CSUMB MyRaft's advantage is in-app purchases (none vs 1) and ratings volume (53 vs 7). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Exploring The Core K sells 1 one-off in-app purchase. CSUMB MyRaft asks for nothing beyond the download.

Exploring The Core K holds the better App Store score, 4.4 against 4.1. That said, the two scores are not equally well evidenced: CSUMB MyRaft has 53 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 60% of Exploring The Core K's written reviews are positive against 20% of CSUMB MyRaft's.

Exploring The Core K ships an update every 5 weeks, CSUMB MyRaft every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Exploring The Core K | CSUMB MyRaft |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/exploring-the-core-k-8-math/id1093007771/reviews)** | [4.1 (53 ratings)](https://appshunter.io/ios/app/csumb-myraft/id1562611702/reviews) |
| Number of ratings | 7 | **53** |
| Positive reviews | **60.0% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 78 MB |
| Requires iOS | **8.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Exploring The Core LLC](https://appshunter.io/developer/1093007710) | [Novalsys, Inc](https://appshunter.io/developer/566688507) |

## What reviewers say

### Exploring The Core K

[App page](https://appshunter.io/ios/app/exploring-the-core-k-8-math/id1093007771)

This app visualizes Common Core State Standards for K-8 math, showing skill progression across grade levels. It serves as a reference for parents and educators to understand expected math skill sets.

**Highlights:** Visualizes K-8 math standards, Shows skill development across grades, Searchable standards, Glossary of education terms, Reference tool for parents and teachers

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Grades and Skills | $2.99 | one-time |


### CSUMB MyRaft

[App page](https://appshunter.io/ios/app/csumb-myraft/id1562611702)

This app serves as a central hub for university students to connect with campus life. It facilitates joining clubs, registering for events, buying/selling textbooks, accessing resources, and networking with peers. It's designed to enhance student engagement and provide a comprehensive campus experience.

**Highlights:** Join clubs, Register for events, Buy/sell textbooks, Access campus resources, Connect with students, Student engagement tool

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

**In-app purchases:** none


## Frequently asked questions

### Is Exploring The Core K free?

Exploring The Core K is free to download, with in-app purchases available.

### Is CSUMB MyRaft free?

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

### Which has better reviews, Exploring The Core K or CSUMB MyRaft?

Exploring The Core K is rated higher. Exploring The Core K averages 4.4 out of 5 from 7 ratings, while CSUMB MyRaft averages 4.1 from 53 ratings.

### Do Exploring The Core K or CSUMB MyRaft have ads?

Neither Exploring The Core K nor CSUMB MyRaft shows ads.

### Which is updated more often, Exploring The Core K or CSUMB MyRaft?

Exploring The Core K ships an update every 5 weeks, and CSUMB MyRaft every 3 weeks. Most recently, Exploring The Core K was updated on October 24, 2026 and CSUMB MyRaft on October 24, 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.*