# Pansophia vs Open Elifba

The clearest difference is in-app purchases: Open Elifba at none against Pansophia's 10. Open Elifba also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Pansophia sells 10 one-off in-app purchases. Open Elifba asks for nothing beyond the download.

## The numbers

| Metric | Pansophia | Open Elifba |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pansophia-science-reference/id6760565801/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free | — |
| Size | 29 MB | 27 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Bonsai Horizons, LLC](https://appshunter.io/developer/1885017794) | [Omer Bilal Yay](https://appshunter.io/developer/1883213840) |

## What reviewers say

### Pansophia

[App page](https://appshunter.io/ios/app/pansophia-science-reference/id6760565801)

Access a vast collection of STEM reference data, including species, chemical compounds, engineering components, and more, all in one place. Features include a scientific calculator, unit converter, and quiz tools. Explore 18 disciplines with extensive cross-references.

**Highlights:** 3,000+ biological species data, 1,200+ chemical compounds reference, Extensive engineering component data, Scientific calculator and unit converter, Quiz and flashcard tools with spaced repetition, Cross-discipline concept linking

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Biomedical Engineering | $0.99 | one-time |
| Unlock Astronomy | $0.99 | one-time |
| Unlock Civil Engineering | $0.99 | one-time |
| Unlock Materials Science | $0.99 | one-time |
| Unlock Artificial Intelligence | $0.99 | one-time |
| Unlock Statistics | $0.99 | one-time |
| Unlock Pharmacology | $0.99 | one-time |
| Unlock Earth Science | $0.99 | one-time |
| Unlock Nuclear Engineering | $0.99 | one-time |
| Unlock All Disciplines | $9.99 | one-time |


### Open Elifba

[App page](https://appshunter.io/ios/app/open-elifba/id6760846180)

**In-app purchases:** none


## Frequently asked questions

### Is Pansophia free?

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

### Is Open Elifba free?

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

### Do Pansophia or Open Elifba have ads?

Neither Pansophia nor Open Elifba shows ads.

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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.*