# Rapid Reboot vs CSP Amplify

The clearest difference is monetization model: Rapid Reboot at free against CSP Amplify's subscription. CSP Amplify's advantage is rating (5.0 vs 4.5) and update cadence (monthly vs every 30 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

CSP Amplify holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 12 and 16 respectively. Written reviews point the same way: 75% of Rapid Reboot's written reviews are positive against 100% of CSP Amplify's.

Rapid Reboot ships an update every 30 months, CSP Amplify monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Rapid Reboot | CSP Amplify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (12 ratings)](https://appshunter.io/ios/app/rapid-reboot/id1498823539/reviews) | **[5.0 (16 ratings)](https://appshunter.io/ios/app/csp-amplify/id6751550881/reviews)** |
| Number of ratings | 12 | **16** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Monthly** |
| Monetization | **Free** | Subscription |
| Size | 52 MB | 62 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Johnson](https://appshunter.io/developer/1498823538) | [Cressey Training Systems, LLC](https://appshunter.io/developer/1835746183) |

## What reviewers say

### Rapid Reboot

[App page](https://appshunter.io/ios/app/rapid-reboot/id1498823539)

Control advanced compression recovery systems remotely. Customize pressure, cycle speed, and session duration for personalized warm-ups, recovery, and rehabilitation. Save custom programs and access customer support.

**Highlights:** Remote control via Bluetooth, Customizable pressure levels, Adjustable cycle speed, Session duration settings, Saved program functionality (REGEN), Access to customer service and FAQs

**In-app purchases:** none


### 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 Rapid Reboot free?

Rapid Reboot is free to download, with no in-app purchases.

### Is CSP Amplify free?

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

### Which has better reviews, Rapid Reboot or CSP Amplify?

CSP Amplify is rated higher. Rapid Reboot averages 4.5 out of 5 from 12 ratings, while CSP Amplify averages 5.0 from 16 ratings.

### Do Rapid Reboot or CSP Amplify have ads?

Neither Rapid Reboot nor CSP Amplify shows ads.

### Which is updated more often, Rapid Reboot or CSP Amplify?

Rapid Reboot ships an update every 30 months, and CSP Amplify monthly. Most recently, Rapid Reboot was updated on November 3, 2026 and CSP Amplify on October 30, 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.*