# Float or Sink by EduTech Era vs Physical Changes in Matter

The clearest difference is price: Physical Changes in Matter at Free against Float or Sink by EduTech Era's $1.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Physical Changes in Matter is free to download; Float or Sink by EduTech Era costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Float or Sink by EduTech Era | Physical Changes in Matter |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/float-or-sink-by-edutech-era/id1621278768/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | — |
| Monetization | Paid | — |
| Size | 259 MB | 30 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### Float or Sink by EduTech Era

[App page](https://appshunter.io/ios/app/float-or-sink-by-edutech-era/id1621278768)

Explore the science behind why objects float or sink with interactive diagrams and animations. This app explains key concepts like buoyancy and density through hands-on activities and real-life examples, making learning accessible offline.

**Highlights:** Interactive learning, Explains buoyancy and density, Clear diagrams and animations, Hands-on activities, Offline functionality, 3D object examination

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

**In-app purchases:** none


### Physical Changes in Matter

[App page](https://appshunter.io/ios/app/physical-changes-in-matter/id6514314103)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Float or Sink by EduTech Era free?

Float or Sink by EduTech Era costs $1.99, with no in-app purchases.

### Is Physical Changes in Matter free?

Physical Changes in Matter is free to download, with no in-app purchases.

### Do Float or Sink by EduTech Era or Physical Changes in Matter have ads?

Neither Float or Sink by EduTech Era nor Physical Changes in Matter shows ads.

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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.*