# Once Upon a time Trivia vs Ghost Detector

The clearest difference is rating: Ghost Detector at 3.0 against Once Upon a time Trivia's 1.0. Ghost Detector also leads on iOS requirement (13.0 vs 16.4). Once Upon a time Trivia's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ghost Detector holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

## The numbers

| Metric | Once Upon a time Trivia | Ghost Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/once-upon-a-time-trivia/id6479809656/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ghost-detector-camera-photo/id6494987651/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Monetization | **Free** | Ad-supported |
| Size | 6 MB | 22 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Martin Tseng](https://appshunter.io/developer/1217065716) | [Javier Rodriguez Castella](https://appshunter.io/developer/1474045108) |

## What reviewers say

### Once Upon a time Trivia

[App page](https://appshunter.io/ios/app/once-upon-a-time-trivia/id6479809656)

Test your knowledge of "Once Upon a Time" with this trivia game. Challenge yourself with various questions to see if you can conquer all levels. It's a fun way to gauge your expertise on the popular series.

**Highlights:** Trivia challenges, Knowledge testing, Series-specific questions, Multiple levels, Progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Ghost Detector

[App page](https://appshunter.io/ios/app/ghost-detector-camera-photo/id6494987651)

Transform your photos into spooky scenes by adding ghostly figures. This app lets you place spirits in live camera feeds or existing pictures, then edit their size, rotation, and transparency for a realistic prank. Share your haunted creations with friends and family for some fun or a scare.

**Highlights:** Add ghosts to live camera feed, Place ghosts in gallery photos, Adjust ghost size, rotation, and transparency, Apply filters for authenticity, Share edited photos, Photo editing tools

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

**In-app purchases:** none


## Frequently asked questions

### Is Once Upon a time Trivia free?

Once Upon a time Trivia is free to download, with no in-app purchases.

### Is Ghost Detector free?

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

### Which has better reviews, Once Upon a time Trivia or Ghost Detector?

Ghost Detector is rated higher. Once Upon a time Trivia averages 1.0 out of 5 from 3 ratings, while Ghost Detector averages 3.0 from 2 ratings.

### Do Once Upon a time Trivia or Ghost Detector have ads?

Ghost Detector shows ads; Once Upon a time Trivia does not.

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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.*