# Common Core Pocket vs Exploring The Core K

The clearest difference is price: Exploring The Core K at Free against Common Core Pocket's $1.99. Exploring The Core K also leads on rating (4.4 vs 3.7) and update cadence (every 5 weeks vs every 28 months). Common Core Pocket's advantage is review sentiment (100% vs 60%) and in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

Exploring The Core K is free to download; Common Core Pocket costs $1.99 up front. Exploring The Core K sells 1 one-off in-app purchase. Common Core Pocket asks for nothing beyond the download.

Exploring The Core K holds the better App Store score, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 6 and 7 respectively. Written reviews complicate that: 100% of Common Core Pocket's written reviews are positive against 60% of Exploring The Core K's, so the app with the better star average is not the one people write more warmly about.

Common Core Pocket ships an update every 28 months, Exploring The Core K every 5 weeks. The most recent releases landed on October 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Common Core Pocket | Exploring The Core K |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/common-core-pocket/id967658524/reviews) | **[4.4 (7 ratings)](https://appshunter.io/ios/app/exploring-the-core-k-8-math/id1093007771/reviews)** |
| Number of ratings | 6 | **7** |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#117** | — |
| Size | 3 MB | 35 MB |
| Requires iOS | 18.6 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Traxica, LLC](https://appshunter.io/developer/967658523) | [Exploring The Core LLC](https://appshunter.io/developer/1093007710) |

## What reviewers say

### Common Core Pocket

[App page](https://appshunter.io/ios/app/common-core-pocket/id967658524)

**Currently charting:** #117 Top Paid · Education (US App Store)

Quickly access and search all Common Core State Standards for various subjects and grade levels. Features include keyword scanning, color-coded subjects, and enlarged text options for easy readability.

**Highlights:** Lookup standards by subject and grade, View learning progressions, Enlarged text option, Set specific grade levels, Scan keywords for easy search, Color-coded subject areas

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Common Core Pocket free?

Common Core Pocket costs $1.99, with no in-app purchases.

### Is Exploring The Core K free?

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

### Which has better reviews, Common Core Pocket or Exploring The Core K?

Exploring The Core K is rated higher. Common Core Pocket averages 3.7 out of 5 from 6 ratings, while Exploring The Core K averages 4.4 from 7 ratings.

### Do Common Core Pocket or Exploring The Core K have ads?

Neither Common Core Pocket nor Exploring The Core K shows ads.

### Which is updated more often, Common Core Pocket or Exploring The Core K?

Common Core Pocket ships an update every 28 months, and Exploring The Core K every 5 weeks. Most recently, Common Core Pocket was updated on October 10, 2026 and Exploring The Core K on September 26, 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.*