# arXiver vs Feynman WTF

The clearest difference is in-app purchases: arXiver at none against Feynman WTF's 2. arXiver also leads on iOS requirement (8.0 vs 15.1). Feynman WTF's advantage is update cadence (weekly vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Feynman WTF sells 2 in-app purchases, starting at $10.00 per month. arXiver asks for nothing beyond the download.

arXiver ships an update every 2 months, Feynman WTF weekly. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | arXiver | Feynman WTF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/arxiver/id378764355/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 0 MB | 37 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuji Tachikawa](https://appshunter.io/developer/378764358) | [Vrushal Kapadnis](https://appshunter.io/developer/1830846117) |

## What reviewers say

### arXiver

[App page](https://appshunter.io/ios/app/arxiver/id378764355)

Browse pre-print research papers from arXiv directly on your iPad. Filter by categories and open PDF files in your preferred external application.

**Highlights:** Browse arXiv pre-prints, Category selection, Open PDFs externally, iPad optimized interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Feynman WTF

[App page](https://appshunter.io/ios/app/feynman-wtf/id6749510148)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $10.00 | per month |
| Pro Yearly | $99.99 | per year |


## Frequently asked questions

### Is arXiver free?

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

### Is Feynman WTF free?

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

### Do arXiver or Feynman WTF have ads?

Neither arXiver nor Feynman WTF shows ads.

### Which is updated more often, arXiver or Feynman WTF?

arXiver ships an update every 2 months, and Feynman WTF weekly. Most recently, arXiver was updated on October 3, 2026 and Feynman WTF on October 9, 2026.

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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.*