# Suji vs CSP Amplify

The clearest difference is review sentiment: CSP Amplify at 100% against Suji's 50%. CSP Amplify also leads on rating (5.0 vs 3.6) and in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Suji sells 1 in-app purchase, starting at $4.99 per month. CSP Amplify asks for nothing beyond the download.

CSP Amplify holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 12 and 16 respectively. Written reviews point the same way: 50% of Suji's written reviews are positive against 100% of CSP Amplify's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Suji | CSP Amplify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (12 ratings)](https://appshunter.io/ios/app/suji/id6493856498/reviews) | **[5.0 (16 ratings)](https://appshunter.io/ios/app/csp-amplify/id6751550881/reviews)** |
| Number of ratings | 12 | **16** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Freemium** | Subscription |
| Size | 500 MB | 62 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [SujiBFR](https://appshunter.io/developer/1534129267) | [Cressey Training Systems, LLC](https://appshunter.io/developer/1835746183) |

## What reviewers say

### Suji

[App page](https://appshunter.io/ios/app/suji/id6493856498)

This app utilizes targeted compression technology to alleviate joint pain and enhance isolated muscle strength. It aids in accelerating muscle recovery, requiring a compatible device. It is not intended for professional sports medicine training.

**Highlights:** Targeted compression technology, Joint pain relief, Increase isolated muscle strength, Accelerate muscle recovery, Requires compatible device

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suji Athlete Subscription | $4.99 | 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 Suji free?

Suji 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, Suji or CSP Amplify?

CSP Amplify is rated higher. Suji averages 3.6 out of 5 from 12 ratings, while CSP Amplify averages 5.0 from 16 ratings.

### Do Suji or CSP Amplify have ads?

Neither Suji nor CSP Amplify shows ads.

### Which is updated more often, Suji or CSP Amplify?

Suji ships an update monthly, and CSP Amplify monthly. Most recently, Suji was updated on October 25, 2026 and CSP Amplify 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.*