# Greater Performance vs CSP Amplify

The clearest difference is in-app purchases: CSP Amplify at none against Greater Performance's 1. CSP Amplify also leads on ratings volume (14 vs 1) and iOS requirement (13.0 vs 16.4). Greater Performance's advantage is update cadence (every 8 days vs monthly). On price, rating, ads and device support there is nothing between them.

Both are free to download. Greater Performance sells 1 in-app purchase, starting at $29.99 per month. CSP Amplify asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Greater Performance against 5.0 for CSP Amplify. That said, the two scores are not equally well evidenced: CSP Amplify has 14 ratings behind it against 1, so its average is the more settled of the two.

Greater Performance ships an update every 8 days, CSP Amplify monthly. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Greater Performance | CSP Amplify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/greater-performance/id6748525806/reviews) | [5.0 (14 ratings)](https://appshunter.io/ios/app/csp-amplify/id6751550881/reviews) |
| Number of ratings | 1 | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 71 MB | 62 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scott Turner](https://appshunter.io/developer/1826070970) | [Cressey Training Systems, LLC](https://appshunter.io/developer/1835746183) |

## What reviewers say

### Greater Performance

[App page](https://appshunter.io/ios/app/greater-performance/id6748525806)

This app uses AI-powered biomechanics analysis to provide athletes with instant feedback on their movements. It helps identify injury risks, monitor progress, and improve performance, offering elite-level insights to teams and individuals.

**Highlights:** AI biomechanics analysis, Injury risk identification, Performance progress tracking, Instant coaching feedback, Video-backed evidence, Movement pattern analysis

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SportSensAI Pro Monthly | $29.99 | per month |


### CSP Amplify

[App page](https://appshunter.io/ios/app/csp-amplify/id6751550881)

Access expert-designed exercises and personalized training programs trusted by professional athletes. Features hundreds of professionally filmed demonstrations, clear technique instructions, and progress tracking to help you maximize your performance. Optimized for serious athletes and fitness enthusiasts.

**Highlights:** Expert exercise library with hundreds of demonstrations, Personalized training recommendations, Progress tracking and workout history, Curated workout programs, Offline video playback, Dark mode support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Greater Performance free?

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

### Is CSP Amplify free?

CSP Amplify is free to download, with no in-app purchases.

### Which has better reviews, Greater Performance or CSP Amplify?

Greater Performance and CSP Amplify are both rated 5.0 out of 5 on the App Store, from 1 and 14 ratings respectively.

### Do Greater Performance or CSP Amplify have ads?

Neither Greater Performance nor CSP Amplify shows ads.

### Which is updated more often, Greater Performance or CSP Amplify?

Greater Performance ships an update every 8 days, and CSP Amplify monthly. Most recently, Greater Performance was updated on September 29, 2026 and CSP Amplify on October 2, 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.*