# inspire hep browser vs Space Explorer 3D

The clearest difference is iOS requirement: inspire hep browser at 11.0 against Space Explorer 3D's 18.5. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | inspire hep browser | Space Explorer 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/inspire-hep-browser/id1435865611/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 3 MB | 120 MB |
| Requires iOS | **11.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuji Tachikawa](https://appshunter.io/developer/378764358) | [Viktoriia Samoilova](https://appshunter.io/developer/1815041475) |

## What reviewers say

### inspire hep browser

[App page](https://appshunter.io/ios/app/inspire-hep-browser/id1435865611)

This app facilitates easy PDF downloads and reading for inspirehep.net and arXiv.org. It offers iCloud synchronization across Apple devices, making it a convenient tool for high energy physicists.

**Highlights:** One-click PDF downloads, Read arXiv and new papers, iCloud sync across devices, Supports inspirehep.net, Supports arXiv.org

**Features:** macOS Compatibility

**In-app purchases:** none


### Space Explorer 3D

[App page](https://appshunter.io/ios/app/space-explorer-3d/id6755357692)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is inspire hep browser free?

inspire hep browser is free to download, with no in-app purchases.

### Is Space Explorer 3D free?

Space Explorer 3D is free to download, with no in-app purchases.

### Do inspire hep browser or Space Explorer 3D have ads?

Neither inspire hep browser nor Space Explorer 3D shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*