# Touch Fluids vs iPTE

The clearest difference is review sentiment: iPTE at 100% against Touch Fluids's 60%. iPTE also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.2). Touch Fluids's advantage is price ($0.99 vs $1.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Touch Fluids costs $0.99 and iPTE $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, iPTE every 9 months. The most recent releases landed on September 29, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Touch Fluids | iPTE |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 9 months** |
| Monetization | Paid | Paid |
| Size | 15 MB | 98 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Xavier Daxhelet](https://appshunter.io/developer/339056993) | [建锋 宋](https://appshunter.io/developer/1098794568) |

## 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


### iPTE

[App page](https://appshunter.io/ios/app/ipte/id1502419058)

Explore the periodic table with extensive data on chemical elements and over 5500 isotopes. Features include element images, electron configurations, discovery history, and a solubility chart. Ideal for students, teachers, and science enthusiasts.

**Highlights:** Extensive element data, Over 5500 isotopes, Solubility chart, Element images and electron configurations, Discovery history, Search functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Touch Fluids free?

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

### Is iPTE free?

iPTE costs $1.99, with no in-app purchases.

### Do Touch Fluids or iPTE have ads?

Neither Touch Fluids nor iPTE shows ads.

### Which is updated more often, Touch Fluids or iPTE?

Touch Fluids ships an update every 13 months, and iPTE every 9 months. Most recently, Touch Fluids was updated on September 29, 2026 and iPTE on September 22, 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.*