# Sci vs Astrovert

The clearest difference is update cadence: Astrovert at every 6 months against Sci's every 58 months. Sci's advantage is device support (4 vs 2) and iOS requirement (11.0 vs 17.4). On price, ads and in-app purchases there is nothing between them.

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

Sci ships an update every 58 months, Astrovert every 6 months. The most recent releases landed on December 16, 2025 and May 16, 2026 respectively.

## The numbers

| Metric | Sci | Astrovert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 6 months** |
| Size | 41 MB | 5 MB |
| Requires iOS | **11.0** | 17.4 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Marek Skreko](https://appshunter.io/developer/1558127762) | [Aycan YILMAZ](https://appshunter.io/developer/912871298) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci/id1558127760)

**Features:** macOS Compatibility

**In-app purchases:** none


### Astrovert

[App page](https://appshunter.io/ios/app/astrovert/id6502262535)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sci free?

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

### Is Astrovert free?

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

### Do Sci or Astrovert have ads?

Neither Sci nor Astrovert shows ads.

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

Sci ships an update every 58 months, and Astrovert every 6 months. Most recently, Sci was updated on December 16, 2025 and Astrovert on May 16, 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.*