# Pendulum Swing vs Ghost face detector

The clearest difference is price: Ghost face detector at Free against Pendulum Swing's $1.99. Ghost face detector also leads on ratings volume (15 vs 1). Pendulum Swing's advantage is rating (5.0 vs 4.0) and ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Ghost face detector is free to download; Pendulum Swing costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pendulum Swing holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Ghost face detector has 15 ratings behind it against 1, so its average is the more settled of the two.

Pendulum Swing ships an update every 25 months, Ghost face detector every 17 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Pendulum Swing | Ghost face detector |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pendulum-swing/id1478512488/reviews)** | [4.0 (15 ratings)](https://appshunter.io/ios/app/ghost-face-detector/id6447429367/reviews) |
| Number of ratings | 1 | **15** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 17 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 47 MB | 166 MB |
| Requires iOS | 14.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tomasz Lukaszyk](https://appshunter.io/developer/1434196795) | [Mikhail Frenkel](https://appshunter.io/developer/665984308) |

## What reviewers say

### Pendulum Swing

[App page](https://appshunter.io/ios/app/pendulum-swing/id1478512488)

A physics-based game where you guide a swinging orb into target spots. It features 18 challenging levels with harmonic oscillation mechanics. Simple, yet addictive gameplay for players seeking a unique puzzle experience.

**Highlights:** Physics-based gameplay, Harmonic oscillation mechanics, 18 challenging levels, Orb swinging into target spots, Addictive puzzle experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Ghost face detector

[App page](https://appshunter.io/ios/app/ghost-face-detector/id6447429367)

This app uses face tracking algorithms to detect and analyze potential 'ghost faces' in photos and videos. It allows users to record or import media, then search for these spectral outlines, and share findings with friends. It's presented as a fun, experimental tool rather than a scientific one.

**Highlights:** Face tracking during camera operation, Switch between front and selfie cameras, Record video with or without contour overlay, Take photos with or without contour overlay, Analyze captured or imported videos/photos for ghost faces, Share findings with friends, Receive and analyze media from friends

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pendulum Swing free?

Pendulum Swing costs $1.99, with no in-app purchases.

### Is Ghost face detector free?

Ghost face detector is free to download, with no in-app purchases.

### Which has better reviews, Pendulum Swing or Ghost face detector?

Pendulum Swing is rated higher. Pendulum Swing averages 5.0 out of 5 from 1 ratings, while Ghost face detector averages 4.0 from 15 ratings.

### Do Pendulum Swing or Ghost face detector have ads?

Ghost face detector shows ads; Pendulum Swing does not.

### Which is updated more often, Pendulum Swing or Ghost face detector?

Pendulum Swing ships an update every 25 months, and Ghost face detector every 17 months. Most recently, Pendulum Swing was updated on November 3, 2026 and Ghost face detector on November 3, 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.*