# FLUID X vs AXIO Centripetal Training

The clearest difference is in-app purchases: AXIO Centripetal Training at none against FLUID X's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FLUID X sells 6 in-app purchases, starting at $5.99 per month. AXIO Centripetal Training asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 9 months. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | FLUID X | AXIO Centripetal Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fluid-x/id6502327233/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | Every 9 months |
| Monetization | Freemium | — |
| Size | 13 MB | 44 MB |
| Requires iOS | 15.1 | **15.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Fluid X Limited](https://appshunter.io/developer/1745027064) | [AXIO Training Systems](https://appshunter.io/developer/1757775844) |

## What reviewers say

### FLUID X

[App page](https://appshunter.io/ios/app/fluid-x/id6502327233)

This app guides users through aqua bag workouts, offering structured programs and an extensive exercise library. It caters to beginners, functional training enthusiasts, seniors, rehab clients, athletes, and cardio fans, emphasizing dynamic resistance for enhanced core stability and functional strength.

**Highlights:** Structured FX Fitness Programs, Extensive FX Exercise Library with video demonstrations, Educational resources on water bag fitness, Trainer tools, Dynamic resistance training guidance, Core stability and balance enhancement

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluidx X Coaching Subscription | $5.99 | per month |
| FX Monthly Subscription | $19.99 | per month |
| FX Annual Subscription | $119.99 | per year |
| 99 Tank 20 & Tank 15 Library | $14.95 | one-time |
| 99 Bobas & Cube Library | $14.95 | one-time |
| FX Foundation Course | $191.99 | one-time |


### AXIO Centripetal Training

[App page](https://appshunter.io/ios/app/axio-centripetal-training/id6550901316)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FLUID X free?

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

### Is AXIO Centripetal Training free?

AXIO Centripetal Training is free to download, with no in-app purchases.

### Do FLUID X or AXIO Centripetal Training have ads?

Neither FLUID X nor AXIO Centripetal Training shows ads.

### Which is updated more often, FLUID X or AXIO Centripetal Training?

FLUID X ships an update every 9 months, and AXIO Centripetal Training every 9 months. Most recently, FLUID X was updated on September 30, 2026 and AXIO Centripetal Training on October 7, 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.*