# FestAI vs Call Posters

The clearest difference is rating: FestAI at 4.6 against Call Posters's 2.3. FestAI also leads on review sentiment (53% vs 15%). Call Posters's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. FestAI sells 3 in-app purchases, starting at $3.99 per 7 days. Call Posters asks for nothing beyond the download.

FestAI holds the better App Store score, 4.6 against 2.3. Both are backed by a comparable volume of ratings — 119 and 76 respectively. Written reviews point the same way: 53% of FestAI's written reviews are positive against 15% of Call Posters's.

FestAI ships an update monthly, Call Posters every 5 weeks. The most recent releases landed on September 6, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | FestAI | Call Posters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (119 ratings)](https://appshunter.io/ios/app/festai-ghost-detector-app/id6468875858/reviews)** | [2.3 (76 ratings)](https://appshunter.io/ios/app/call-posters-call-theme/id6474707981/reviews) |
| Number of ratings | **119** | 76 |
| Positive reviews | **53.2% of reviews** | 14.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 98 MB | 132 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ProxGlobal Inc](https://appshunter.io/developer/1586288668) | [Truong Nguyen](https://appshunter.io/developer/1602339577) |

## What reviewers say

### FestAI

[App page](https://appshunter.io/ios/app/festai-ghost-detector-app/id6468875858)

This app uses AI and your camera to simulate the detection of supernatural entities. It allows you to prank friends with scary ghost images, capture "evidence," and create spooky photos and wallpapers for entertainment.

**Highlights:** AI Ghost Detector Filter, Ghost Scanner Simulation, Prank Friends with Ghost Images, Record and Stream Ghost Detections, Mystery Photobooth with Ghosts, Generate Scary Wallpapers

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $9.99 | per month |
| Yearly | $24.99 | per year |

**What reviewers like**

- 👍 Fun and engaging app
- 🤩 Interesting effects and features
- 🎃 Good for Halloween/spooky themes

**What reviewers complain about**

- 🤬 Too many ads
- 🐛 Glitchy and unreliable performance
- 🤔 Questionable content/false advertising

**Reported bugs**

- Server overload issues
- Crashes and freezes
- Incompatibility with some devices

**Requested features**

- Reduce the number of ads
- Improve stability and reliability
- Add more customization options


### Call Posters

[App page](https://appshunter.io/ios/app/call-posters-call-theme/id6474707981)

Personalize your incoming and outgoing calls with a wide variety of visually appealing themes. Easily customize your call screen to match your mood or style, and enjoy advanced features like dynamic and seasonal themes. Make every call a unique and expressive experience.

**Highlights:** Customize call screens with themes, Wide range of theme collections, Dynamic and seasonal themes, Caller ID with style, Easy-to-use interface, Intuitive theme discovery

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

**In-app purchases:** none

**What reviewers like**

- 🖼️ Beautiful and aesthetically pleasing wallpaper images
- 💰 Free to download and use
- 📱 Works well as phone wallpapers and call screen backgrounds
- 🎨 Good variety of image categories available
- ⚡ Offline functionality when WiFi/data is disabled

**What reviewers complain about**

- 📢 Excessive and intrusive advertisements
- 🤥 Misleading advertising - not actually 3D as advertised
- 😤 Limited selection of wallpapers and categories
- 🚫 Functionality doesn't match app description
- ⚠️ False promises about customization features

**Reported bugs**

- App crashes immediately upon opening
- Cannot uninstall app from device
- Wallpapers not saving to photos properly
- Call posters don't function as actual call screens
- App freezes when selecting wallpapers

**Requested features**

- Actual 3D wallpaper functionality
- Customizable wallpapers with user's name/text
- Search feature to find specific wallpapers
- Turkish language support
- Working call screen customization


## Frequently asked questions

### Is FestAI free?

FestAI is free to download, with in-app purchases available.

### Is Call Posters free?

Call Posters is free to download, with no in-app purchases.

### Which has better reviews, FestAI or Call Posters?

FestAI is rated higher. FestAI averages 4.6 out of 5 from 119 ratings, while Call Posters averages 2.3 from 76 ratings.

### Do FestAI or Call Posters have ads?

Both FestAI and Call Posters show ads.

### Which is updated more often, FestAI or Call Posters?

FestAI ships an update monthly, and Call Posters every 5 weeks. Most recently, FestAI was updated on September 6, 2026 and Call Posters on August 18, 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.*