# inspire hep browser vs Learning Transformer

The clearest difference is in-app purchases: inspire hep browser at none against Learning Transformer's 1. inspire hep browser also leads on iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Learning Transformer sells 1 one-off in-app purchase. inspire hep browser asks for nothing beyond the download.

## The numbers

| Metric | inspire hep browser | Learning Transformer |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuji Tachikawa](https://appshunter.io/developer/378764358) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## 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


### Learning Transformer

[App page](https://appshunter.io/ios/app/learning-transformer/id6802260008)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| the decoder | $3.99 | one-time |


## Frequently asked questions

### Is inspire hep browser free?

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

### Is Learning Transformer free?

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

### Do inspire hep browser or Learning Transformer have ads?

Neither inspire hep browser nor Learning Transformer 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.*