# arXiver vs Algorithms HQ

The clearest difference is review sentiment: Algorithms HQ at 100% against arXiver's 40%. Algorithms HQ also leads on rating (4.0 vs 3.3). arXiver's advantage is update cadence (every 2 months vs every 16 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Algorithms HQ holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 40% of arXiver's written reviews are positive against 100% of Algorithms HQ's.

arXiver ships an update every 2 months, Algorithms HQ every 16 months. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | arXiver | Algorithms HQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/arxiver/id378764355/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/algorithms-hq/id660610218/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | Free | Free |
| Size | 0 MB | 3 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuji Tachikawa](https://appshunter.io/developer/378764358) | [Cyril Carrez](https://appshunter.io/developer/660610221) |

## 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


### Algorithms HQ

[App page](https://appshunter.io/ios/app/algorithms-hq/id660610218)

Learn computer science algorithms through interactive animations. Visualize data manipulation and execution step-by-step with pseudo-code tracking and variable value updates. Quickly reference algorithm characteristics and customize input data for deeper understanding.

**Highlights:** Animated algorithm execution, Step-by-step instruction control, Pseudo-code and variable tracking, Customizable input data, Algorithm reference guide, Data structure evolution visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is arXiver free?

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

### Is Algorithms HQ free?

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

### Which has better reviews, arXiver or Algorithms HQ?

Algorithms HQ is rated higher. arXiver averages 3.3 out of 5 from 3 ratings, while Algorithms HQ averages 4.0 from 1 ratings.

### Do arXiver or Algorithms HQ have ads?

Neither arXiver nor Algorithms HQ shows ads.

### Which is updated more often, arXiver or Algorithms HQ?

arXiver ships an update every 2 months, and Algorithms HQ every 16 months. Most recently, arXiver was updated on October 3, 2026 and Algorithms HQ on September 24, 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.*