Biosphere 2 vs Durango Public Library Catalog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Biosphere 2
Explore the history, architecture, and science of a unique research facility. This family-friendly guide offers an accessible way to learn about its groundbreaking discoveries and 30 years of operation.
- Explore facility history
- Learn about architecture
- Discover groundbreaking science
- Family-friendly guide
- Accessible educational content
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The Biosphere 2 App provides an accessible and family-friendly guide for you to explore the groundbreaking science and unique history of this one-of-a kind facility. Visit Biosphere 2, owned and operated by the University of Arizona, to dive deep into all you need to know about the 30 years of history, architecture and awe-inspiring science.
Durango Public Library Catalog
Manage your library account on the go. Search the catalog, place holds, and renew borrowed items directly from your mobile device.
- Manage library account
- Search catalog
- Renew books
- Reserve books
- Access from mobile device
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Access Durango Public Library from your iPhone, iPad or iPod Touch. Manage your account, search the catalog, renew and reserve books, and more!
Screenshots
Verdict
Biosphere 2 and Durango Public Library Catalog both sit at 3.5 stars, but that hides the real split: 22% of Biosphere 2's written reviews are positive against 0% of Durango Public Library Catalog's. Biosphere 2 also leads on ratings volume (30 vs 5). On price, rating, update cadence and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 3.5 for Biosphere 2 against 3.4 for Durango Public Library Catalog. That said, the two scores are not equally well evidenced: Biosphere 2 has 30 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 22% of Biosphere 2's written reviews are positive against 0% of Durango Public Library Catalog's.
Both ship on a similar rhythm, roughly every 3 months. Both last shipped on November 3, 2026.
| Parameter | Biosphere 2 | Durango Public Library Catalog |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (30 ratings) — better | 3.4 (5 ratings) |
| Positive reviews | 22.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 30 — better | 5 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.2 |
| Further details — not scored | ||
| Size | 137 MB | 29 MB |
| Age rating | 4+ | 12+ |
| Developer | University of Arizona | City of Durango (Durango Public Library) |
Customer experience
Biosphere 2
Durango Public Library Catalog
In-app purchases
Biosphere 2
No in-app purchases
Durango Public Library Catalog
No in-app purchases
Questions
Is Biosphere 2 free?
Is Durango Public Library Catalog free?
Which has better reviews, Biosphere 2 or Durango Public Library Catalog?
Do Biosphere 2 or Durango Public Library Catalog have ads?
Which is updated more often, Biosphere 2 or Durango Public Library Catalog?
Other comparisons
