# Sci vs Slideshow

The clearest difference is price: Slideshow at Free against Sci's $3.99. Slideshow also leads on update cadence (every 6 weeks vs every 6 months). Sci's advantage is in-app purchases (none vs 2) and chart position (#29 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Slideshow is free to download; Sci costs $3.99 up front. Slideshow sells 2 in-app purchases, starting at $4.99 per 7 days. Sci asks for nothing beyond the download.

Sci ships an update every 6 months, Slideshow every 6 weeks. The most recent releases landed on October 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sci | Slideshow |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.3 (55 ratings)](https://appshunter.io/ios/app/sci-fi-themes/id6449518113/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 53.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Free | — |
| Best chart rank | **#29** | — |
| Size | 44 MB | 6 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NSTE, LLC](https://appshunter.io/developer/1671708345) | [Hong Kong Trillion Industrial Technology Group Limited](https://appshunter.io/developer/1761368993) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-fi-themes/id6449518113)

**Currently charting:** #29 Top Paid · Graphics & Design (US App Store)

Personalize your device with a vast collection of sci-fi and space-themed wallpapers for your home and lock screens. Enhance your experience with customizable Home Screen Image Widgets, allowing you to display your favorite images.

**Highlights:** 250+ widget backgrounds, Variety of home/lock screen wallpapers, Customizable Home Screen Image Widget, Add your own images to widgets, Parody sci-fi display styles

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

**In-app purchases:** none

**What reviewers like**

- ✨ High-quality sci-fi wallpapers
- 🎨 Great customization options
- 👍 Intuitive and smooth app experience
- 🚀 Seamless widget integration
- 💯 Immersive and detailed designs

**What reviewers complain about**

- 💸 Waste of money/overpriced
- 🐛 Bugs and glitches
- 🚫 Wallpapers don't fit correctly
- ⚠️ Limited widget functionality
- ❌ App doesn't work on some devices

**Reported bugs**

- Unknown error when downloading wallpapers
- Widgets not showing as an option to add
- Wallpapers slightly off on iPhone 16 Pro Max
- Widgets don't refresh quickly
- Cannot add photo widget / Photo widget not working well

**Requested features**

- Update for newer iPhone models (iPhone 17)
- More animated wallpapers/live wallpaper options
- More variety in sci-fi themes (e.g., Star Wars)
- Ability to have multiple different widgets
- Widgets that don't display app name


### Slideshow

[App page](https://appshunter.io/ios/app/slideshow-pixfolio/id6758514739)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Max | $4.99 | per 7 days |
| Yearly Max | $39.99 | per year |


## Frequently asked questions

### Is Sci free?

Sci costs $3.99, with no in-app purchases.

### Is Slideshow free?

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

### Do Sci or Slideshow have ads?

Neither Sci nor Slideshow shows ads.

### Which is updated more often, Sci or Slideshow?

Sci ships an update every 6 months, and Slideshow every 6 weeks. Most recently, Sci was updated on October 30, 2026 and Slideshow 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.*