# Hands vs PP+ Simple Harmonic Motion

The clearest difference is update cadence: Hands at every 12 months against PP+ Simple Harmonic Motion's every 29 months. Hands also leads on iOS requirement (12.0 vs 18.0). PP+ Simple Harmonic Motion's advantage is price ($1.99 vs $2.99). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Hands costs $2.99 and PP+ Simple Harmonic Motion $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Hands ships an update every 12 months, PP+ Simple Harmonic Motion every 29 months. The most recent releases landed on September 10, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | Hands | PP+ Simple Harmonic Motion |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hands-on-math-graph-cubes/id553110021/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 29 months |
| Monetization | Paid | Paid |
| Size | 18 MB | 115 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) |

## What reviewers say

### Hands

[App page](https://appshunter.io/ios/app/hands-on-math-graph-cubes/id553110021)

This app simulates using virtual cubes to build bar graphs, providing intelligent feedback to help students understand mathematical reasoning and data analysis. It offers an interactive playground for creating and exploring graphs and tables, fostering problem-solving skills.

**Highlights:** Virtual cube manipulation for bar graph creation, Artificially intelligent feedback, Interactive Playground for exploration, Data analysis and interpretation, Problem formulation and solving, Graph and table creation

**Features:** macOS Compatibility

**In-app purchases:** none


### PP+ Simple Harmonic Motion

[App page](https://appshunter.io/ios/app/pp-plus-simple-harmonic-motion/id599165859)

Explore the principles of simple harmonic motion with a virtual spring-mass system. This educational tool provides realistic 3D simulations, data analysis tools, and comprehensive learning materials for students.

**Highlights:** 3D spring-mass simulation, Realistic data with errors, Data analysis and reporting tools, Introductory videos and background theory, Pre-lab quiz and post-lab questions, Teacher support materials

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hands free?

Hands costs $2.99, with no in-app purchases.

### Is PP+ Simple Harmonic Motion free?

PP+ Simple Harmonic Motion costs $1.99, with no in-app purchases.

### Do Hands or PP+ Simple Harmonic Motion have ads?

Neither Hands nor PP+ Simple Harmonic Motion shows ads.

### Which is updated more often, Hands or PP+ Simple Harmonic Motion?

Hands ships an update every 12 months, and PP+ Simple Harmonic Motion every 29 months. Most recently, Hands was updated on September 10, 2026 and PP+ Simple Harmonic Motion on June 8, 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.*