# PP+ Newton's 2nd Law vs BugPlanetEra

The clearest difference is device support: BugPlanetEra at 3 against PP+ Newton's 2nd Law's 1. BugPlanetEra also leads on iOS requirement (13.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

PP+ Newton's 2nd Law ships an update every 3 months, BugPlanetEra every 5 months. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PP+ Newton's 2nd Law | BugPlanetEra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/pp-plus-newtons-2nd-law/id599162351/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | — |
| Size | 116 MB | 2 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) | [Khan Kao](https://appshunter.io/developer/1119938868) |

## What reviewers say

### PP+ Newton's 2nd Law

[App page](https://appshunter.io/ios/app/pp-plus-newtons-2nd-law/id599162351)

This app simulates a physics lab to explore Newton's Second Law, allowing students to collect and analyze realistic experimental data. It includes introductory videos, background theory, and reporting tools for a comprehensive learning experience.

**Highlights:** 3D physics simulation, Realistic data with errors, Introductory videos, Background theory, Experimental procedure, Analysis and reporting tools, Pre-lab and post-lab quizzes

**Features:** macOS Compatibility

**In-app purchases:** none


### BugPlanetEra

[App page](https://appshunter.io/ios/app/bugplanetera/id1492067649)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PP+ Newton's 2nd Law free?

PP+ Newton's 2nd Law is free to download, with no in-app purchases.

### Is BugPlanetEra free?

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

### Do PP+ Newton's 2nd Law or BugPlanetEra have ads?

Neither PP+ Newton's 2nd Law nor BugPlanetEra shows ads.

### Which is updated more often, PP+ Newton's 2nd Law or BugPlanetEra?

PP+ Newton's 2nd Law ships an update every 3 months, and BugPlanetEra every 5 months. Most recently, PP+ Newton's 2nd Law was updated on October 1, 2026 and BugPlanetEra on October 11, 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.*