# Phys 1 vs Introduction to Population

The clearest difference is iOS requirement: Phys 1 at 9.0 against Introduction to Population's 12.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Phys 1 | Introduction to Population |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (15 ratings)](https://appshunter.io/ios/app/phys-1/id1249860978/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 659 MB | 22 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Geoffrey Musick](https://appshunter.io/developer/1249860977) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### Phys 1

[App page](https://appshunter.io/ios/app/phys-1/id1249860978)

Engage in a physics-based puzzle adventure where you solve problems using specialized tools. Experience rapid feedback to learn and adapt, with randomized obstacles ensuring unique challenges. Explore concepts like kinematics, free fall, and projectiles.

**Highlights:** Physics-based puzzle solving, Kinematics tools (time, displacement, velocity), Drag-and-drop equation solver, Free fall and projectile exploration, Randomized obstacles for replayability, Experiential learning feedback

**Features:** macOS Compatibility

**In-app purchases:** none


### Introduction to Population

[App page](https://appshunter.io/ios/app/introduction-to-population/id6738341805)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Phys 1 free?

Phys 1 is free to download, with no in-app purchases.

### Is Introduction to Population free?

Introduction to Population is free to download, with no in-app purchases.

### Do Phys 1 or Introduction to Population have ads?

Neither Phys 1 nor Introduction to Population shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*