# Core Strengths vs CSS NRTC

The clearest difference is review sentiment: Core Strengths at 88% against CSS NRTC's 0%. Core Strengths also leads on rating (4.8 vs 3.5) and update cadence (every 2 months vs every 8 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Core Strengths holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: Core Strengths has 43 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 88% of Core Strengths's written reviews are positive against 0% of CSS NRTC's.

Core Strengths ships an update every 2 months, CSS NRTC every 8 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | Core Strengths | CSS NRTC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (43 ratings)](https://appshunter.io/ios/app/core-strengths/id1536615536/reviews)** | [3.5 (8 ratings)](https://appshunter.io/ios/app/css-nrtc/id1541367234/reviews) |
| Number of ratings | **43** | 8 |
| Positive reviews | **87.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 34 MB | 89 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [PSP, Inc.](https://appshunter.io/developer/1536615538) | [Program Executive Office for Enterprise Information Systems, Sea Warrior Program](https://appshunter.io/developer/1477503418) |

## What reviewers say

### Core Strengths

[App page](https://appshunter.io/ios/app/core-strengths/id1536615536)

Discover your unique strengths and improve how you collaborate with others. This app provides personalized insights to enhance team dynamics, communication, and conflict resolution, ultimately leading to better professional results and leadership growth.

**Highlights:** Personalized strength insights, Improved team collaboration, Enhanced communication, Conflict resolution strategies, Leadership and coaching development, Relationship Intelligence (RQ) building

**Features:** Vision Pro support

**In-app purchases:** none


### CSS NRTC

[App page](https://appshunter.io/ios/app/css-nrtc/id1541367234)

Access Navy training courses and study manuals for administrative and supply ratings. Learn on the go, with or without internet, and submit completion for your Electronic Training Jacket.

**Highlights:** Rate training courses for administrative ratings, Rate training courses for supply ratings, General skills and training manuals, Offline access to courses and study tools, Submit course completion to ETJ, Preparation for specialty positions

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

**In-app purchases:** none


## Frequently asked questions

### Is Core Strengths free?

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

### Is CSS NRTC free?

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

### Which has better reviews, Core Strengths or CSS NRTC?

Core Strengths is rated higher. Core Strengths averages 4.8 out of 5 from 43 ratings, while CSS NRTC averages 3.5 from 8 ratings.

### Do Core Strengths or CSS NRTC have ads?

Neither Core Strengths nor CSS NRTC shows ads.

### Which is updated more often, Core Strengths or CSS NRTC?

Core Strengths ships an update every 2 months, and CSS NRTC every 8 months. Most recently, Core Strengths was updated on October 7, 2026 and CSS NRTC on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*