# Kepler's Laws vs Bone Zone

The clearest difference is in-app purchases: Kepler's Laws at none against Bone Zone's 1. Kepler's Laws also leads on ads (none vs shown) and iOS requirement (12.0 vs 18.2). On price, update cadence and device support there is nothing between them.

Both are free to download. Bone Zone sells 1 in-app purchase, starting at $9.99 per year. Kepler's Laws asks for nothing beyond the download.

Kepler's Laws ships an update every 7 months, Bone Zone every 10 months. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Kepler's Laws | Bone Zone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/keplers-laws/id885067661/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 7 months** | Every 10 months |
| Monetization | Free | — |
| Size | 16 MB | 8 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Vascak](https://appshunter.io/developer/868771511) | [Brandon Tate](https://appshunter.io/developer/1762298061) |

## What reviewers say

### Kepler's Laws

[App page](https://appshunter.io/ios/app/keplers-laws/id885067661)

Explore animated visualizations and interactive tasks designed to help you grasp Kepler's laws of planetary motion. This educational tool offers a clear way to understand complex astronomical concepts through visual aids and practical exercises.

**Highlights:** Animated visualizations, Interactive tasks, Understanding planetary motion, Educational tool, Astronomy concepts

**Features:** macOS Compatibility

**In-app purchases:** none


### Bone Zone

[App page](https://appshunter.io/ios/app/bone-zone/id6752546351)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bone Zone Premium | $9.99 | per year |


## Frequently asked questions

### Is Kepler's Laws free?

Kepler's Laws is free to download, with no in-app purchases.

### Is Bone Zone free?

Bone Zone is free to download, with in-app purchases available.

### Do Kepler's Laws or Bone Zone have ads?

Bone Zone shows ads; Kepler's Laws does not.

### Which is updated more often, Kepler's Laws or Bone Zone?

Kepler's Laws ships an update every 7 months, and Bone Zone every 10 months. Most recently, Kepler's Laws was updated on October 12, 2026 and Bone Zone on October 28, 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.*