# Touch Fluids vs The Buoyancy

The clearest difference is update cadence: Touch Fluids at every 13 months against The Buoyancy's every 56 months. Touch Fluids also leads on price ($0.99 vs $1.99). The Buoyancy's advantage is iOS requirement (12.0 vs 17.2). On ads, in-app purchases and device support there is nothing between them.

Touch Fluids costs $0.99 and The Buoyancy $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Touch Fluids ships an update every 13 months, The Buoyancy every 56 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Touch Fluids | The Buoyancy |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/touch-fluids/id427420343/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 56 months |
| Monetization | Paid | — |
| Size | 15 MB | 259 MB |
| Requires iOS | 17.2 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xavier Daxhelet](https://appshunter.io/developer/339056993) | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) |

## What reviewers say

### Touch Fluids

[App page](https://appshunter.io/ios/app/touch-fluids/id427420343)

An educational tool for fluid mechanics courses, featuring basic equations and animations. It covers topics from fluid statics to flow in pipes, suitable for high school and university students. Teachers can use it to present concepts in class.

**Highlights:** Basic fluid mechanics equations, Illustrative animations, Fluid statics, Fluid in motion, Continuity and energy equations, Flow in pipes, Vector operations

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

**In-app purchases:** none


### The Buoyancy

[App page](https://appshunter.io/ios/app/the-buoyancy/id1564691496)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Touch Fluids free?

Touch Fluids costs $0.99, with no in-app purchases.

### Is The Buoyancy free?

The Buoyancy costs $1.99, with no in-app purchases.

### Do Touch Fluids or The Buoyancy have ads?

Neither Touch Fluids nor The Buoyancy shows ads.

### Which is updated more often, Touch Fluids or The Buoyancy?

Touch Fluids ships an update every 13 months, and The Buoyancy every 56 months. Most recently, Touch Fluids was updated on November 1, 2026 and The Buoyancy on November 3, 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.*