DrakeEquation vs Sci
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DrakeEquation
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- Drake equation was first stated in year 1960 by Frank Drake who was the first to search for radio signals from extraterrestrial civilizations. - The equation calculates the number of civilizations in our galaxy with which communication might be possible. - Put in your own data in the equation and play around with these values and see the chance for a signal from a civilization in our galaxy.
Sci
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.
- 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
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Sci-Fi Movie Classics contains hundreds of hours of your favorite classic science fiction movies and television shows available to watch for free. Sign up for a monthly subscription to watch without ads! Terms of Use: http://macmillanweb.com/html/terms.asp
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Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | DrakeEquation | Sci |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.6 (41 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 41 — better |
| Update frequency | Every 10 months — better | Every 18 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 5 MB | 7 MB |
| Age rating | 4+ | 12+ |
| Developer | domesticusdevelop | MacMillan Interactive Communications, LLC |
In-app purchases
DrakeEquation
No in-app purchases
Sci
- Sci-Fi Movies Subscription$5.991 Month
- Sci-Fi Movies Yearly Subscription$69.991 Year
