# Spooky the Ghost vs Two Links Double Pendulum

The clearest difference is price: Two Links Double Pendulum at Free against Spooky the Ghost's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Two Links Double Pendulum is free to download; Spooky the Ghost costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spooky the Ghost ships an update every 40 months, Two Links Double Pendulum every 47 months. The most recent releases landed on September 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Spooky the Ghost | Two Links Double Pendulum |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 40 months** | Every 47 months |
| Size | 42 MB | 281 MB |
| Requires iOS | **17.0** | 18.2 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JS Digital Productions, Inc.](https://appshunter.io/developer/1012108950) | [Eliott Radcliffe](https://appshunter.io/developer/1477487767) |

## What reviewers say

### Spooky the Ghost

[App page](https://appshunter.io/ios/app/spooky-the-ghost/id1471356285)

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

**In-app purchases:** none


### Two Links Double Pendulum

[App page](https://appshunter.io/ios/app/two-links-double-pendulum/id1625794656)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spooky the Ghost free?

Spooky the Ghost costs $0.99, with no in-app purchases.

### Is Two Links Double Pendulum free?

Two Links Double Pendulum is free to download, with no in-app purchases.

### Do Spooky the Ghost or Two Links Double Pendulum have ads?

Neither Spooky the Ghost nor Two Links Double Pendulum shows ads.

### Which is updated more often, Spooky the Ghost or Two Links Double Pendulum?

Spooky the Ghost ships an update every 40 months, and Two Links Double Pendulum every 47 months. Most recently, Spooky the Ghost was updated on September 25, 2026 and Two Links Double Pendulum on October 9, 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.*