Touch Fluids vs Von Neumann entropy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Touch Fluids
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.
- Basic fluid mechanics equations
- Illustrative animations
- Fluid statics
- Fluid in motion
- Continuity and energy equations
- Flow in pipes
- Vector operations
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Touch Fluids is an educative iPhone application in support to an high-school or university course of fluid mechanics. It contains not only a memorandum of the basic equations, but it also contains several animations illustrating the various concepts of fluid mechanics. This application runs also on iPad and iPod Touch. 50 screens of physics! For teachers !! Connect your iPad with a video projector and show the animations to your students in classroom. List of covered subjects: Fluid Statics - Fluid Properties, - Pressure, - Fluid Forces. Fluid in mouvement - Approaches, - Kinematics, - Type of flow - Transport Equation. Continuity Equation - Continuity Equation, - Incompressible and Stationnary flow, - Differential Form, Energy Equation - Fluid Energie, - General Energy Equation. Linear Momentum - Momentum Equation, - Differential Form. Flow in Pipes - Lost Head, - Minor Lost Head. Appendices - Vector Operations - Vector Identities.
Von Neumann entropy
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This app represents von Neumann entropy for density matrix. The density matrix represents the mixed states of two states.
Screenshots
Verdict
The clearest difference is price: Von Neumann entropy at Free against Touch Fluids's $0.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Von Neumann entropy is free to download; Touch Fluids costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Touch Fluids | Von Neumann entropy |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 13 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.2 — better | 18.0 |
| Further details — not scored | ||
| Size | 15 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Xavier Daxhelet | Sungjun Kim |
In-app purchases
Touch Fluids
No in-app purchases
Von Neumann entropy
No in-app purchases
Questions
Is Touch Fluids free?
Is Von Neumann entropy free?
Do Touch Fluids or Von Neumann entropy have ads?
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