# Gravity 6D vs Pendulum Lab

The clearest difference is in-app purchases: Gravity 6D at none against Pendulum Lab's 1. Gravity 6D also leads on iOS requirement (12.0 vs 15.0). Pendulum Lab's advantage is update cadence (every 5 weeks vs every 16 months) and price ($0.99 vs $1.99). On ads and device support there is nothing between them.

Gravity 6D costs $1.99 and Pendulum Lab $0.99 up front. Pendulum Lab sells 1 one-off in-app purchase. Gravity 6D asks for nothing beyond the download.

Gravity 6D ships an update every 16 months, Pendulum Lab every 5 weeks. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Gravity 6D | Pendulum Lab |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gravity-6d/id1620686014/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 49 MB | 4 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Creetah Ltd.](https://appshunter.io/developer/1091214069) | [hyeonsu jeong](https://appshunter.io/developer/1628268684) |

## What reviewers say

### Gravity 6D

[App page](https://appshunter.io/ios/app/gravity-6d/id1620686014)

Explore advanced physics with this application that allows for the simulation of up to six-dimensional gravity. Customize simulation parameters, adjust speed and visuals, and save your creations for later review.

**Highlights:** 6D mass particle simulations, Customizable simulation setup, Adjustable simulation speed, Visual preference settings, Save simulations

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

**In-app purchases:** none


### Pendulum Lab

[App page](https://appshunter.io/ios/app/pendulum-lab/id6661026555)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Triple Pendulum Unlock | $0.99 | one-time |


## Frequently asked questions

### Is Gravity 6D free?

Gravity 6D costs $1.99, with no in-app purchases.

### Is Pendulum Lab free?

Pendulum Lab costs $0.99, and also offers in-app purchases.

### Do Gravity 6D or Pendulum Lab have ads?

Neither Gravity 6D nor Pendulum Lab shows ads.

### Which is updated more often, Gravity 6D or Pendulum Lab?

Gravity 6D ships an update every 16 months, and Pendulum Lab every 5 weeks. Most recently, Gravity 6D was updated on September 9, 2026 and Pendulum Lab on September 17, 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.*