# Predator Clock vs 3D stereogram

The clearest difference is rating: Predator Clock at 4.6 against 3D stereogram's 1.0. Predator Clock also leads on update cadence (every 2 months vs every 50 months) and ratings volume (61 vs 1). 3D stereogram's advantage is iOS requirement (12.0 vs 15.6). On ads, in-app purchases, monetization model and device support there is nothing between them.

Predator Clock costs $1.99 and 3D stereogram $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Predator Clock holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Predator Clock has 61 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 79% of Predator Clock's written reviews are positive against 60% of 3D stereogram's.

Predator Clock ships an update every 2 months, 3D stereogram every 50 months. Both last shipped on September 26, 2026.

## The numbers

| Metric | Predator Clock | 3D stereogram |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[4.6 (61 ratings)](https://appshunter.io/ios/app/predator-clock-alien-time/id513835976/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/3d-stereogram-human/id640999250/reviews) |
| Number of ratings | **61** | 1 |
| Positive reviews | **79.2% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 50 months |
| Monetization | Paid | Paid |
| Size | 33 MB | 220 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Gilthonwe Apps](https://appshunter.io/developer/485360929) | [koikoi.biz](https://appshunter.io/developer/444917150) |

## What reviewers say

### Predator Clock

[App page](https://appshunter.io/ios/app/predator-clock-alien-time/id513835976)

A unique digital clock app for fans of the Predator franchise. It features alien-themed symbols, customizable colors, and essential clock functions like alarms, timers, and stopwatches. Decrypt the time and enjoy Predator-inspired sounds.

**Highlights:** Predator-themed digital clock face, Customizable colors, Alarm, timer, and stopwatch, Four difficulty modes for time decryption, Predator-inspired sounds, 12/24-hour format, date, day of week display

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

**In-app purchases:** none


### 3D stereogram

[App page](https://appshunter.io/ios/app/3d-stereogram-human/id640999250)

Experience a unique stereogram application focused on human subjects for a novel 3D visual experience. Adjust brightness, zoom, and view images in various modes, including parallel and cross-eyed methods.

**Highlights:** Human-themed stereograms, Brightness regulation, Zoom in/out functionality, Parallel and cross-eyed viewing, Bookmark feature, Slideshow mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Predator Clock free?

Predator Clock costs $1.99, with no in-app purchases.

### Is 3D stereogram free?

3D stereogram costs $2.99, with no in-app purchases.

### Which has better reviews, Predator Clock or 3D stereogram?

Predator Clock is rated higher. Predator Clock averages 4.6 out of 5 from 61 ratings, while 3D stereogram averages 1.0 from 1 ratings.

### Do Predator Clock or 3D stereogram have ads?

Neither Predator Clock nor 3D stereogram shows ads.

### Which is updated more often, Predator Clock or 3D stereogram?

Predator Clock ships an update every 2 months, and 3D stereogram every 50 months. Most recently, Predator Clock was updated on September 26, 2026 and 3D stereogram on September 26, 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.*