# NSCA CSCS Mastery vs RepSpeed

NSCA CSCS Mastery and RepSpeed both sit at 4.6 stars, but that hides the real split: 83% of RepSpeed's written reviews are positive against 17% of NSCA CSCS Mastery's. NSCA CSCS Mastery's advantage is ratings volume (97 vs 17) and iOS requirement (10.0 vs 14.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. NSCA CSCS Mastery sells 2 in-app purchases, starting at $11.99 per month and RepSpeed sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for NSCA CSCS Mastery against 4.5 for RepSpeed. That said, the two scores are not equally well evidenced: NSCA CSCS Mastery has 97 ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 17% of NSCA CSCS Mastery's written reviews are positive against 83% of RepSpeed's.

NSCA CSCS Mastery ships an update fortnightly, RepSpeed every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | NSCA CSCS Mastery | RepSpeed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (97 ratings)](https://appshunter.io/ios/app/nsca-cscs-mastery/id1189238530/reviews)** | [4.5 (17 ratings)](https://appshunter.io/ios/app/repspeed/id1584279988/reviews) |
| Number of ratings | **97** | 17 |
| Positive reviews | 16.7% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 125 MB | 56 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Higher Learning Technologies](https://appshunter.io/developer/571804544) | [Sreyas Rangaraju](https://appshunter.io/developer/1570083962) |

## What reviewers say

### NSCA CSCS Mastery

[App page](https://appshunter.io/ios/app/nsca-cscs-mastery/id1189238530)

Prepare for your Certified Strength and Conditioning Specialist exam with this comprehensive study tool. It offers over 720 practice questions, in-depth statistics to track your progress, and covers all major areas of strength and conditioning. Learn at your own pace to advance your career.

**Highlights:** 720+ practice questions, In-depth statistics, Covers major strength and conditioning areas, Learn at your own pace, Based on latest 'Essentials of Strength Training and Conditioning'

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CSCS Mastery - 1 Month | $11.99 | per month |
| CSCS Mastery - 12 Months | $49.99 | per year |


### RepSpeed

[App page](https://appshunter.io/ios/app/repspeed/id1584279988)

This app uses your phone's camera to analyze barbell lifts, providing detailed metrics like bar path, velocity, and power. Optimize your training, improve form, and get stronger faster with advanced analytics.

**Highlights:** Automatic barbell detection, Barbell path visualization, Velocity and power metrics, Video recording and upload, Repetition tracking, Workout notes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RepSpeed Premium | $0.99 | per month |


## Frequently asked questions

### Is NSCA CSCS Mastery free?

NSCA CSCS Mastery is free to download, with in-app purchases available.

### Is RepSpeed free?

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

### Which has better reviews, NSCA CSCS Mastery or RepSpeed?

NSCA CSCS Mastery is rated higher. NSCA CSCS Mastery averages 4.6 out of 5 from 97 ratings, while RepSpeed averages 4.5 from 17 ratings.

### Do NSCA CSCS Mastery or RepSpeed have ads?

Neither NSCA CSCS Mastery nor RepSpeed shows ads.

### Which is updated more often, NSCA CSCS Mastery or RepSpeed?

NSCA CSCS Mastery ships an update fortnightly, and RepSpeed every 2 weeks. Most recently, NSCA CSCS Mastery was updated on October 24, 2026 and RepSpeed 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.*