# DrakeEquation vs Sci

The clearest difference is price: Sci at Free against DrakeEquation's $0.99. DrakeEquation's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

Sci is free to download; DrakeEquation costs $0.99 up front. Sci sells 2 in-app purchases, starting at $5.99 per month. DrakeEquation asks for nothing beyond the download.

DrakeEquation ships an update every 10 months, Sci every 18 months. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DrakeEquation | Sci |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.6 (41 ratings)](https://appshunter.io/ios/app/sci-fi-movie-classics/id6449503752/reviews)** |
| Number of ratings | — | **41** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 months** | Every 18 months |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 7 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [domesticusdevelop](https://appshunter.io/developer/373834594) | [MacMillan Interactive Communications, LLC](https://appshunter.io/developer/820481297) |

## What reviewers say

### DrakeEquation

[App page](https://appshunter.io/ios/app/drakeequation/id588682241)

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

**In-app purchases:** none


### Sci

[App page](https://appshunter.io/ios/app/sci-fi-movie-classics/id6449503752)

Stream a vast library of classic science fiction films and TV shows for free. Enjoy ad-free viewing by subscribing to a monthly plan. Access content on your iPhone or iPad.

**Highlights:** Hundreds of classic sci-fi movies, Classic science fiction television shows, Free streaming access, Optional monthly subscription for ad-free viewing, Available on iPhone and iPad

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sci-Fi Movies Subscription | $5.99 | per month |
| Sci-Fi Movies Yearly Subscription | $69.99 | per year |


## Frequently asked questions

### Is DrakeEquation free?

DrakeEquation costs $0.99, with no in-app purchases.

### Is Sci free?

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

### Do DrakeEquation or Sci have ads?

Sci shows ads; DrakeEquation does not.

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

DrakeEquation ships an update every 10 months, and Sci every 18 months. Most recently, DrakeEquation was updated on October 20, 2026 and Sci on October 10, 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.*