# PP+ Force Vector Addition vs Xplore Hiroshima

The clearest difference is price: Xplore Hiroshima at Free against PP+ Force Vector Addition's $1.99. Xplore Hiroshima also leads on rating (5.0 vs 3.3) and device support (3 vs 1). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Xplore Hiroshima is free to download; PP+ Force Vector Addition costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Xplore Hiroshima holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

PP+ Force Vector Addition ships an update every 16 months, Xplore Hiroshima every 20 months. The most recent releases landed on September 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PP+ Force Vector Addition | Xplore Hiroshima |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/pp-plus-force-vector-addition/id622367226/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/xplore-hiroshima/id1523053303/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 20 months |
| Monetization | Paid | **Free** |
| Size | 105 MB | 569 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) | [TIMELOOPER INC](https://appshunter.io/developer/1198864036) |

## What reviewers say

### PP+ Force Vector Addition

[App page](https://appshunter.io/ios/app/pp-plus-force-vector-addition/id622367226)

This educational app simulates a force table experiment for investigating vector addition of forces. It provides realistic data with errors, analysis tools, and supporting materials for students to conduct virtual physics labs.

**Highlights:** 3D force table simulation, Realistic experimental data with errors, Introductory videos and background theory, Analysis and reporting tools, Pre-lab quiz and post-lab questions, Teacher support materials

**Features:** macOS Compatibility

**In-app purchases:** none


### Xplore Hiroshima

[App page](https://appshunter.io/ios/app/xplore-hiroshima/id1523053303)

Explore Hiroshima's history through interactive maps, 3D models, and survivor testimonies. Understand the impact of the atomic bombing and learn from the resilience of its people.

**Highlights:** Interactive historical maps, 3D models of bomb and dome, Survivor testimonies with art, Video footage from the bombing, Guided tour of Peace Park sites, Toggle between past and present views

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PP+ Force Vector Addition free?

PP+ Force Vector Addition costs $1.99, with no in-app purchases.

### Is Xplore Hiroshima free?

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

### Which has better reviews, PP+ Force Vector Addition or Xplore Hiroshima?

Xplore Hiroshima is rated higher. PP+ Force Vector Addition averages 3.3 out of 5 from 3 ratings, while Xplore Hiroshima averages 5.0 from 3 ratings.

### Do PP+ Force Vector Addition or Xplore Hiroshima have ads?

Neither PP+ Force Vector Addition nor Xplore Hiroshima shows ads.

### Which is updated more often, PP+ Force Vector Addition or Xplore Hiroshima?

PP+ Force Vector Addition ships an update every 16 months, and Xplore Hiroshima every 20 months. Most recently, PP+ Force Vector Addition was updated on September 23, 2026 and Xplore Hiroshima on October 5, 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.*